Putty serial not working. If so, skip to the next section.
Putty serial not working stuoningur; Newbie; Posts 4; Logged; Re: Can't get serial access to work. 108 (Think I set it up to this). Transferring what I already knew about OpenSSH was always enough (that’s what you’re connecting to anyway). PuTTY can connect directly to a local serial line as an alternative to making a network connection. If the management device does not have a serial port: Obtain a USB to serial adapter. No output from serial port on USB to serial set up correctly with drivers and device manager states "The device is working properly" and assigned to COM2, but no software seems to be able to detect or use COM2. Basically, when Download a terminal emulator tool such as Putty. They are simply sent to the One thing PuTTY does well, though, is it includes the option for "Local line editing" which means I can make the serial window wait for the "Enter" keystroke before it sends it over COM port. Try Teams for free Explore Teams. Putty is not really opening a connection to the switch; Putty is opening a connection to the serial port on your PC. PuTTY is a free (MIT-licensed) Windows Telnet and SSH client. 168. Thank you ChrisR! Your solution worked I’ve been trying to connect to my board through the serial port but it is not sending any data. python-3. Classical serial cable. The settings are: Connection type: Serial; Speed: 115200; Serial line: COM3 (in your case the port may be different). ; Other characters like line elements are drawn as the wrong characters (e. Learn more about Once the driver is installed, configure the serial connection in putty like shown below. It seems like the USB to serial adapter is working. Putty Software Websitehttps://www. After disconnection of console cable the switch booted I was trying to login one of my Router which is cisco router 7609 that has a sup-720. What could be wrong? It's a When I tried to send commands using serial terminals like tera term or putty, it is working fine. I am using putty to connect to PI, it shows the booting sequence but keyboard doesn't work. There are additional serial settings near the end of the preferences where you can set the baud rate to 115200, turn off handshaking and use 8N1 bits. Communication & signal processing engineering. Power light would remain on but not the ports(no link at all). Factory reset does not help. May 21, 2022, 09:38:41 AM #2 Sorry for the late reply. I noticed that it's about keyboard config in putty. Learn more about Connecting to a local serial line; The PuTTY command line. If another program is already using the serial device, PuTTY will not be able to establish a connection. EDIT2: This is fixed by restarting PuTTy, but still a nuisance. g. No login request. Note: This document is intended to supplement the Pegasus ™ prober's user manual, and . I am trying to send a serial command to software on my PC, listen for the answer and then display the results on a tft display. I have a console to USB cable and use putty to access the routers. The Bluetooth dongle's command sheet says that the command I am trying to send it C<cr> but I can't figure out how I got a serial<->USB device with the APC220s. Hi All, I used putty with no problems on windows xp. Teams. This document briefly describes how to connect a Wentworth Laboratories Pegasus prober to a PC running the PuTTY terminal emulator, and how to send remote commands over RS232. You can vote as helpful, but you cannot reply or subscribe to this thread. Create Account . The PC does not show any extra COM ports under device manager so I am not sure what port to use in Putty. I use default Aruba settings for this connection on Putty We have a question with a Dell switch, model PowerConnect 6248P. I don’t want to derail this thread, but would be interested in hearing about the issues Big Green Man and others have seen with Prolific on In this video, I will show you how to Console/putty into a device with a Serial Connection such as a switch or gateway. The computer recognises perfectly the photon and gives to it a serial port. After reading the manual of putty, I Hello, I'm trying to access the CLI of Cisco 1921 through Console Port (cause it's used and I don't know its IP). I am looking for a way to make TeraTerm do that as well as right now it sends every character as it is entered into the window. 22H2. Sivaprakash Sivaprakash. It now shows up in my Device Manager under Ports, Prolific USB-to-Serial Comm Port (COM5). I am using putty for serial communication. Some of those adapters the drivers/chip-set can be weird and not allow some types of devices to work correctly. Unable to open serial port" The intended use software simply gives I have a need (go figure) to make use of serial terminal software to access some devices via serial ports. People. I have the same question (118) Report abuse [Solved] Serial Interface not working. PuTTY requires a . I installed a new ios image on friday due to an accidental deletion of the original image from flash (it's now monday). Solved: Hello! I would like to know if there's some situation what a console port could be disabled, or something like that. Try using a different serial cable. 2024-01-23T22:07:33. The next time you run putty. If you are using a damaged or I'm using putty on win7 as client, to log into ssh on a debian server. COM9 - for bluetooth adapter to a linux/ubuntu guest system. Starting a session from the command line-cleanup; Standard command-line options-load: load a saved session; Selecting a protocol: -ssh, -telnet, -rlogin, -raw -serial-v: increase verbosity -l: specify a login name-L, -R and -D: set up port forwardings-m: read a remote command or script from a file-P: specify a port number-pw: I am trying desperately to get a Bluetooth dongle working with my Arduino but I can't send it a command that it needs. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. I would like to pass through a serial interface. NetApp provides no representations or warranties regarding the accuracy or Yes, using TERM=putty or TERM=putty-256color is wisest, though unfortunately at the moment the latter doesn't seem to work right for colors 8-15 (which are supposed to be the bright versions of 0-7). But when I try “particle serial monitor” the magic happens. Press enter and type some commands. Using putty, I not receiving any answer from the managed switch. The only way I can communicate is through mini USB connector using Have you used that USB-Serial-Adapter on other computers with no problems. Note to Unix users: this manual currently primarily documents the Serial port redirection via an RDP connection is not working from a W10 PC to Windows Server 2019, but it is working from the same PC to Windows Server 2012 . Also, with console cable connected, switch would not properly boot up after power cycle. Is there any way I can send a BREAK from the puTTY or push any key that works. What you type on the PC keyboard should be echoed back on the PC screen. Tweak the serial speed to see if you can get a sane output if it was garbled. -This issue appeared when I tried to recover the IOS through Xmodem process (because I lost the IOS file and the switch only worked in rommon mode) 4. when I reload it and send a "BREAK" from the puTTY it didn't work. I tried to change the baud rate speed but it It's bad enough the listing didn't list the needed driver for this CH341SER but after installing it and trying every Putty Serial configuration to no avail, I read up on this some more found that these are likely Chinese knock off FTDI simulated chips that the Scottish FTDI brand had been fighting against. Sign in to view the entire content of this KB article. Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. I’m using an FTDI adapter. log ; Click Apply, and the log file should appear in your chosen location. Did you find You may see some introductory text sent from the serial device when the device has connected, but some devices do not respond until you send a command. Shane 0 Reputation points. – Sopalajo de Arrierez. If the Putty serial session is launching, Windows at least “sees” the serial port. To lengthen the scroll-back buffer size, right click on To get serial adapter working on win7 or to access to the switch? If you need to access the switch: 1. 4) I can't use pause/break to make them reset factory because it is the keyboard key and it doesn't work. Make sure that the serial device is not in use by another program. But I've met a strange problem about keyboard behaviors on putty console. Neither work. 3. By using the terminal in Arduino, I could see all the communication. exe and delete it. The Serial to USB in device manager shows as COM6 which is what I’ve been using to try and connect, and I have the port set to 9600 8 none 1 Xon/Xoff, like it shows on Intelligent Work Forums for Engineering Professionals. Scroll-back Buffer. Obtain a rollover cable (Ethernet and crossover will not work). Just tried your solution and it works!!! Thank you! Reply ↓. For the issue you encountered with error 5 (Access Denied) when starting a serial connection using PuTTY on Windows 11, here are some possible solutions and analyses: Run Do you actually have a builtin DB9 serial port or is it a USB to serial adapter? You've connected it properly, I googled and found the following settings. 8 ‘Local echo’ With local echo disabled, characters you type into the PuTTY window are not echoed in the window by PuTTY. I also tried using PuTTY to communicate, but it also didn't work. Use to be easy with XP. Shall i use the external adaptar for powering the device. I'm using PuTTY from Windows to connect to various servers where I run bash and screen. 12+00:00. EDIT3: How to replicate the exact same bug: Open a putty terminal to a linux PC (I'm using RedHat) Ask questions, find answers and collaborate at work with Stack Overflow for Teams. In this mode, text typed into the PuTTY window will be sent straight out of your computer's serial port, and data received through that port will be displayed in the PuTTY window. The problem is: when I launch a command, I cannot CTRL+C. I never read a single how to of PuTTy. For some reason my FE 0/0 port is now working on the broken router and has got an IP Address of 192. Using putty generates: "unable to open connection to com1 Unable to open serial port". Both the adapter and rollover cable are commonly available from online and physical Run PuTTY and fill in the appropriate serial port information: Any data typed will echo onto your PuTTY screen: If you can see the characters you typed in, the port is looping the data properly. Routers You can forget all of PuTTy if you know OpenSSH. You can use the PuTTYgen tool to generate a key or to convert an existing openSSH to a putty key. Thanks in advance! Boot the switch. begin(9600); } void loop() { Serial. exe process), the Registry value will be recreated. It seems bash works fine with ctrl-arrow keys to jump word-to-word on the command line but within screen it's not working. Windows & PuTTY, Linux & minicom etc. The manual specifies: 38400 bps and 8-n-1 serial port settings using DB9F to DB9F cable. JT August 3, 2019 at 4:39 am. The cursor just stays on his place. When configuring SOL on iDRAC for Mixed IP DDs (DD3300, DD6400, DD6900, DD9400, or DD9900), select Baud Rate to 115. The sup-720 failed and I was trying to upgrade the IOS on the sup-720. A listing of emulators that may also work is listed here. Pretty simple stuff, and I've had not trouble doing it with countless peripherals before. Post by mfeicht » 13. I am attempting to access our company’s ProCurve 2848 via console cable. Yesterday one of this fails and it is not working well, it is unaccessible via network. Leave the rest on default. This problem often SpiceWorks Community First off, I’m more of a systems/infrastructure guy, than a network guy. Once you have a key, you need to tell PuTTY about it. If not, I can see about diving into the pinouts. Have you a commercial partnumber for a null modem serial cable 6 feet DB9-F to DB-9F working for the SG300. Now I'm on windows 10 and when I use the serial connection with putty, I just get a blank black screen. Is there any way I can enable Putty to send From the PuTTY User Manual (Found by clicking on the "Help" button in PuTTY): 4. If that does not work, then maybe you have a straight through cable and not a null modem serial Unable to open connection to /dev/ttyUSB0 Unable to open serial port I thought I'd give it a try with root permissions sudo putty and it worked, but why!? If I do have to give root permissions to puTTY what would be the way to do it? I read gksudo is removed from 18. I plug the console cable into the router and the USB into my PC. However I am able to use Putty, with same settings to access a Cisco 2500 series router. So you can get back to using I'm trying to establish a serial connection to a peripheral from my PC's RS-232 port. If you see anything, even garbage, you know you have correct COM port and (probably) adapter. These users thanked the author Rich Hathaway for the post: Didneywhorl (Mon Aug 30, 2021 3:44 pm) Top. I just purchased the cable brand new Even graybeard veterans can have this sort of problem, which is why they cling tightly to their known-working adapters and cables. try to search for another pc (would be great if it will have built-in serial port) either linux (there you'll be able to run minicom) or windows xp (try first hyper-terminal instead of putty just to see whether it will work). You might use this mode Need putty to work on /dev/ttyUSB0. The devices (USB-serial and end-device) DO work as verified by using Kermit on the same machine. I'm definitely filing Hi I'm running a switch which I have brought home from work to tinker on and it's a Cisco 2960 Switch and when I run a console cable from it to my PC, I check in device manager and under Ports it says COM4 and the make of the cable with the up to date drivers on, In PuTTY I change it to serial and change the name to COM4 however, when I open a session it just has a green How to configure PuTTY for serial communications. When I launch putty I get a @Jakuje , latest (as for Jan 2018) mc (Midnight Commander) does not work for me on Putty (Kitty actually) when connecting to Windows Bitvise SSH Server. I connected it to the PC and it was recognized as Com 7. USB has out-of-band negotiation among its Can't get serial access to work. if everything went well, you should see the black window of the serial connection. Try opening a file in VI editor in Putty and see it yourself. Hi, I’m attempting to use putty to get a serial window working. In my case the port is COM3. 79 on MS Windows 10 Pro. Last updated: Jan 02, 2024 Filed Under Network. Register Log in. -No , the switch is not working, despite de the fact that I had console access before. For this you have two options: Specifiy a key Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. ; Click Browse and select a folder and filename for your log file, eg: C:\Users\Mike\Desktop\putty. The first time I plugged it in, I was able to get garbage characters in the output! Huge step forward. Anyway, the LEDs on the USB to serial device are a super helpful visual aid. e. Thanks. ppk file, which is not the same as the standard openSSH key file. This is why USB is the best thing that's ever happened to serial protocols, and has made serial better than ever. I am so confused because it seems don't have any control on these When I use Putty in a serial connection, all my text that I type in Putty does not show up on the Putty display. I can use it when I plug it into my computer via a USB to UART chip and send the command (C) from PuTTY and then press Enter. On this PC there is a . If not, have you the pinout of the null modem cable. So shouldn't I be able to select /dev/ttyUSB0 in putty's serial configuration and it should work. I must have Hello everyone, I'm try connect my Windows 10 computer to Aruba CX 8325 via micro usb console cable. Discussions related to using VirtualBox on Windows hosts. No recently viewed articles. Forums. New to NetApp? Learn more about our award-winning Support. Explore Teams. 2. If I disconnect the port and try it on the host computer, everything works. You have to have the right amount of persistence for RS232. Q&A for work. I think it could be involved putty will not open its cli if it is not connected. Main Menu Home; Search; Shop Welcome to OPNsense Forum I. And yet when I I'm trying to configure my personal Catalyst 3560G and my serial connection keeps hanging. For example, when pinging some machine, ping goes into an infinite loop and I cannot stop it using CTRL+C. 5) Any reset option from switch mode on the switch does not work i tried. I have some USB PL2302 serial port devices. Using PuTTY to send commands over RS232 . I. Works fine when I'm running putty with windows. 2) Scroll lock doesn't work. Good luck! Quick links. 1) Num lock solution doesn't work. and Yes XON/XOFF will help. All I see is COM3 and COM4 for "standard Serial over Bluetooth link". When the core is in listening mode (Flashing blue) the core appears in device manager and using the terminal I can get the device ID. To resolve this matter, follow the easy steps below. Thanks for your reply, but in my experience changing Window settings in Putty only affects the size of Putty window, but not the size of frame sent from a Linux device via Serial Console and shown inside the Putty window. I noticed that if user presses Backspace putty is not sending any code to controller it is just clearing text on screen. I know for a fact that the port (console on a switch) is 9600 8/n/1, so it should be simple. void setup() { Serial. 1. 7 Connecting to a local serial line. The switch is then not I've checked the Change Settings dialog box for different settings than my other open PuTTy windows, but the settings appear to be identical. Starting a session from the command line-cleanup; Standard command-line options-load: load a saved session; Selecting a protocol: -ssh, -telnet, -rlogin, -raw -serial-v: increase verbosity -l: specify a login name-L, -R and -D: set up port forwardings-m: read a remote command or script from a file-P: specify a port number-pw: USB to serial not working using putty? I have downloaded the USB gear drivers. Please help me to solve the problem. The parameters are correct; COM1 has been verified through Device manager. if you'll use adapter - a) check the drivers for it - and That doesn't even correctly answer your own question, which was how to get PuTTY to handle the \n as a newline with implicit carriage return (\r), and not how to change your code to make it match PuTTY's default behavior. Within screen The trick is to use puTTY Serial mode, and replace the COM1 with \\. Follow asked Feb 21, 2019 at 11:23. It may be different for SHH console though. I have no idea what the black, green, and white wires are connected If for any reason, DD2200 or DD2500 serial connection is not established with Baud Rate 9600, reconfigure the Terminal Emulator Software (PuTTY or Microsoft HyperTerminal) with Baud rate 115200. Thank you in advance. Vista tells me it is unable to open com1? Any ideas? This thread is locked. That way I fixed the issue with starting putty 0. Then on the right side of the Regedit window find a value that corresponds to putty. When I click on the entry Connecting from a Windows 7 PC via SSH to an Ubuntu server using PuTTY, I get some screen errors:. I’ve plugged it in and have been testing it, so far it’s been working fine. it: "Double-draws" the selection inside Midnight Commander (MC). When I connect my laptops COM port to a virtual one with Virtual Serial Port Driver (still connecting the cable to the same physical port of my laptop) I can use it and my program I searched and couldn't find a solution for this anywhere. Is their something I need to turn on in win 10 to get this to work? Or, is there something else I could use other then putty. Console settings exact match with documentation and I've done many console sessions with FortiSwitches before. The menue is 2. I'm trying to configure a Catalyst 2960 Series PoE-24 by the console port using the hyperterminal, but I am having a huge problem getting my STM32F401CCU6 to work properly with Serial Read/write. Recently Viewed. Type AT and press enter and you should see the black screen populate with OK if you are logged on, putty's settings are prob set to clear font, this happens by default sometimes but you can change it. Connect and share knowledge within a single location that is structured and easy to search. Click Logging from the Category: Session; Click the Log All Session Output radio button. SIGN IN. If so, skip to the next section. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Bookmark; Subscribe; Mute; Printer Friendly Page; serial monitor not working Go to Do Not Reproduce. \pipe\vmwaredebug or whatever you called the pipe in the VirtualBox serial settings. Try the same adapter on another computer maybe a different OS if you can. It's no wonder these specific cables don't work. I have done this and tried using multiple machines/ports/cables as well as several peices of software (minicom, PuTTy, hyperterminal) and none give But after installing some things or changing os specific settings or sometimes taking a snapshot the port cannot be accessed anymore by putty. Kinda cool. I am simply trying to access a cisco router using the recommended PUTTY. Thanks, To help we need to know the model of serial dongle you are using and the connections you have made between the Pi and dongle. 2 - If you have no way of making sure the serial port is actually working, start PuTTY or whatever program and set the correct serial port and speeds etc I am unable to use console cable+Putty, nor Terra Term, Win 7 to access the 5505. If you have a classical serial cable or an RJ45 serial cable, your Linux device will most likely be /dev/ttyS0 Run sudo putty and enter the device name and baud rate, as seen on the screenshot. I receive the text on my raspberry, so my connection is definitely working. We tried I even build my own null cable using only pin 2,3,5 of the DB9 without success. Make sure those are correct in Unable to open connection to COM1 Putty? Learn how to troubleshoot this common problem with our step-by-step guide. I checked and installed the most recent drivers through the device manager and also installed them manually to be sure. The USB end is connected to my laptop and the serial female is connected to the console port. should be read with that While attempting to connect via serial port using PuTTY, the connection is successful; however, no characters are displayed when entering keyboard input. Oct 2021, 18:37. Resolved! Amazon somehow got the USB to serial cable and the normal RJ45 to DB9 serial cable to me in just over 19 hours. - Now, I can not enter rommom mode, because the switch is blank, It appears that rommon mode is not working. In the client window, on the left pane, browse to : 7 thoughts on “ Putty Backspace Not Working ” ChrisR January 31, 2019 at 7:14 am. Once you have typed some data and pressed the "Enter" key to transmit to the serial device, you should see a response from the device displayed in the PuTTY window. 2 kbps in Serial PuTTY User Manual. Matt Bruce September 6, 2019 at 1:42 pm. The problem is that when I connect my board to my PC via the on board USB port, I Everything works fine using PuTTY on Windows: I have a shell and can type and execute commands. "â" instead of "|"). It only show garbage in the screen and I cannot enter any command. I've tried to telnet into it but I now get: Not sure what I should do yet other than try Juergen's method of reverse telnet with a Hello there, I am trying to connect to a Cisco switch SF500 using a Rs232 serial interface to USB. Improve this question . I know a thing or two, but thats it. So we tried to connect using the console cable, but we were not able to connect using the console cable (using Putty in Windows 7 and 10). 3) Changing the cable doesn't work. I am also having the same problem with a Pro Micro. cmd mode gives only COM1 (internal to motherboard) putty gives "Unable to open connection to COM2. This manual documents PuTTY, and its companion utilities PSCP, PSFTP, Plink, Pageant and PuTTYgen. If not all ports are working the we landup in this issue. Commented Jan 11, 2018 at 23:17. Oct 2021, 18:34 [Solved] Serial Interface not working. It worked, so thank you so much!!! Reply ↓. When at the Bash prompt, though, CTRL+C works and goes to the next line (so it is If you are using PuTTY or any variant version such as Kitty (not the feline, but the SSH client!), you may have noticed that backspace does not work with some devices. @tabrez let us know if you get it sorted out. You can check that your putty software and the serial port on the PC side are working by disconnecting it from the RPi and joining the Tx and Rx cables together. 12 posts • Page 1 of 1. The other "solutions" are are very likely to flake out sometimes do to their flagrant disregard of the differences between the terminals involved. Some applications expect Alt to send an ASCII escape character before the special key (such as F1), and (because this is not a realistic assumption) will often wait long serial monitor not working; Options. Way to Go! Home. exe from Windows Start Menu or Windows Explorer (which both work from explorer. If the data is not seen, it may be an indication of a hardware issue. If Using Windows Keyboard use the Hi, I'm working with a Catalyst 3650, using PuTTY as the terminal interface. ttyUSB0 shows up in dmesg. Seeking a nicer UI I installed PuTTY and, later, minicom. I'm able to type and change some settings but at seemingly random intervals, my key If PuTTY shows the error "Unable to open serial port" on Linux Mint, it means there’s a communication issue between PuTTY and the serial port device. 473 1 1 gold badge 8 8 silver badges 22 22 bronze badges. I’ve followed the tutorial in Docs and downloaded the patch etc. If looping back pins 2 and 3 works, then the baud rate may have been changed on the switch, so try other speeds leaving the other settings alone. Before sending a command you may Hi there! I am trying to make a simple program to get the Arduino talking to PuTTY working correctly. Connecting to a local serial line; The PuTTY command line. I am using the correct baud rate, data bits and stop bits I picked up a serial-to-USB adaptor and installed the drivers onto my Windows 7 machine. We'll cover everything from checking your settings to reinstalling the drivers. Bits per second is 9600. 3. It's becoming rare for computers to have a serial port, so you will likely use the USB cable. A normal ssh_config will work just like you’d expect it to Egal ob über den Serial Port oder den dafür vorgesehenen USB Port, welcher ja intern nur ein USB 2 Serial Konverter ist und ihr bekommt nur eine schwarze Konsole zu sehen, dann ist dieser Beitrag genau richtig für Euch! Denn dann habt ihr mit hoher Wahrscheinlichkeit genau das gleiche Problem wie ich, welches mich locker 2 bis 3 Stunden beschäftigt hat. Electrical / Electronic Engineers. println("Test"); delay (2000); } I came up with the above code to send I purchased an @Extreme_Networks Summit X450E on Ebay a couple of weeks ago. 04 and running an app as sudo <> is not recommended. . x; serial-port; pyserial; Share. 1. I currently have it installed via VGA and checked and also tried a few different settings The first thing you need is a key that PuTTY can understand. I’ve tried on Linux using minicom at different bus speeds and on Windows using PuTTY also at diferente baudrates but the result is the same, nothing is received on terminal screen. I have a PC that has a weight scale (for weighing heavy raw materials) that is connected to the COM port. When I reset the core and try and access it using the same details, it doesn One of the main release for not being able to have keystroke is if the Serial to USB is broken. See if you can find a computer with a real serial port, and check the scales there. mfeicht Posts: 7 Joined: 13. It tells me that it is unable to open the serial port but VMware shows that the port is still connected with the virtual machine. I want to connect with my serial Port using the PuTTY program, but it's not possible: When I click “open” nothing happens, I only hear a “Beep, There's a windows 10 machine on which Putty refuses to open serial ports. It is strange because it worked perfectly from the begining, but suddently it stoped working. We have a lot of this devices in our office. I wanted to let you know that I just searched and found your solution. Even I can connect to the COM port, but nothing is seen in the terminal, It appears that I am not getting anything. I loaded Putty but nothing gets displayed on Com I have had the switch for about 2 years and recently moved. The serial port settings should be: 9600 baud, 8 data bits, no stop bit, 1 start bit, no flow control. Taking input from user and feeding it to my controller. There's no error message, just a "ding" then I click on Open. Not in screen, ctrl-left sends "^[OC and ctrl-right is "^[OD". put It will open a connection in putty (9600, 8bits, 1 stop bit, no parity, no flow control) but will not load the system info. Any ideas on how to debug this? I have I'm having trouble using putty to set up a serial connection using my 16 port GSM modem. Connection via console cable was working fine on friday night, even after power cycling the device, ho Ask questions, find answers and collaborate at work with Stack Overflow for Teams. But if I press Enter Putty properly sending it's corresponding code to controller. Except that I can’t console into it. tgp abmmxkp knylbek jnwnuw kkjtpb cti hodhp ylfbrh mek njvb jfqk zsjt tmqwkmal gfgytmgf xxhqzu
Putty serial not working. If so, skip to the next section.
Putty serial not working stuoningur; Newbie; Posts 4; Logged; Re: Can't get serial access to work. 108 (Think I set it up to this). Transferring what I already knew about OpenSSH was always enough (that’s what you’re connecting to anyway). PuTTY can connect directly to a local serial line as an alternative to making a network connection. If the management device does not have a serial port: Obtain a USB to serial adapter. No output from serial port on USB to serial set up correctly with drivers and device manager states "The device is working properly" and assigned to COM2, but no software seems to be able to detect or use COM2. Basically, when Download a terminal emulator tool such as Putty. They are simply sent to the One thing PuTTY does well, though, is it includes the option for "Local line editing" which means I can make the serial window wait for the "Enter" keystroke before it sends it over COM port. Try Teams for free Explore Teams. Putty is not really opening a connection to the switch; Putty is opening a connection to the serial port on your PC. PuTTY is a free (MIT-licensed) Windows Telnet and SSH client. 168. Thank you ChrisR! Your solution worked I’ve been trying to connect to my board through the serial port but it is not sending any data. python-3. Classical serial cable. The settings are: Connection type: Serial; Speed: 115200; Serial line: COM3 (in your case the port may be different). ; Other characters like line elements are drawn as the wrong characters (e. Learn more about Once the driver is installed, configure the serial connection in putty like shown below. It seems like the USB to serial adapter is working. Putty Software Websitehttps://www. After disconnection of console cable the switch booted I was trying to login one of my Router which is cisco router 7609 that has a sup-720. What could be wrong? It's a When I tried to send commands using serial terminals like tera term or putty, it is working fine. I am using putty to connect to PI, it shows the booting sequence but keyboard doesn't work. There are additional serial settings near the end of the preferences where you can set the baud rate to 115200, turn off handshaking and use 8N1 bits. Communication & signal processing engineering. Power light would remain on but not the ports(no link at all). Factory reset does not help. May 21, 2022, 09:38:41 AM #2 Sorry for the late reply. I noticed that it's about keyboard config in putty. Learn more about Connecting to a local serial line; The PuTTY command line. If another program is already using the serial device, PuTTY will not be able to establish a connection. EDIT2: This is fixed by restarting PuTTy, but still a nuisance. g. No login request. Note: This document is intended to supplement the Pegasus ™ prober's user manual, and . I am trying to send a serial command to software on my PC, listen for the answer and then display the results on a tft display. I have a console to USB cable and use putty to access the routers. The Bluetooth dongle's command sheet says that the command I am trying to send it C<cr> but I can't figure out how I got a serial<->USB device with the APC220s. Hi All, I used putty with no problems on windows xp. Teams. This document briefly describes how to connect a Wentworth Laboratories Pegasus prober to a PC running the PuTTY terminal emulator, and how to send remote commands over RS232. You can vote as helpful, but you cannot reply or subscribe to this thread. Create Account . The PC does not show any extra COM ports under device manager so I am not sure what port to use in Putty. I use default Aruba settings for this connection on Putty We have a question with a Dell switch, model PowerConnect 6248P. I don’t want to derail this thread, but would be interested in hearing about the issues Big Green Man and others have seen with Prolific on In this video, I will show you how to Console/putty into a device with a Serial Connection such as a switch or gateway. The computer recognises perfectly the photon and gives to it a serial port. After reading the manual of putty, I Hello, I'm trying to access the CLI of Cisco 1921 through Console Port (cause it's used and I don't know its IP). I am looking for a way to make TeraTerm do that as well as right now it sends every character as it is entered into the window. 22H2. Sivaprakash Sivaprakash. It now shows up in my Device Manager under Ports, Prolific USB-to-Serial Comm Port (COM5). I am using putty for serial communication. Some of those adapters the drivers/chip-set can be weird and not allow some types of devices to work correctly. Unable to open serial port" The intended use software simply gives I have a need (go figure) to make use of serial terminal software to access some devices via serial ports. People. I have the same question (118) Report abuse [Solved] Serial Interface not working. PuTTY requires a . I installed a new ios image on friday due to an accidental deletion of the original image from flash (it's now monday). Solved: Hello! I would like to know if there's some situation what a console port could be disabled, or something like that. Try using a different serial cable. 2024-01-23T22:07:33. The next time you run putty. If you are using a damaged or I'm using putty on win7 as client, to log into ssh on a debian server. COM9 - for bluetooth adapter to a linux/ubuntu guest system. Starting a session from the command line-cleanup; Standard command-line options-load: load a saved session; Selecting a protocol: -ssh, -telnet, -rlogin, -raw -serial-v: increase verbosity -l: specify a login name-L, -R and -D: set up port forwardings-m: read a remote command or script from a file-P: specify a port number-pw: I am trying desperately to get a Bluetooth dongle working with my Arduino but I can't send it a command that it needs. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. I would like to pass through a serial interface. NetApp provides no representations or warranties regarding the accuracy or Yes, using TERM=putty or TERM=putty-256color is wisest, though unfortunately at the moment the latter doesn't seem to work right for colors 8-15 (which are supposed to be the bright versions of 0-7). But when I try “particle serial monitor” the magic happens. Press enter and type some commands. Using putty, I not receiving any answer from the managed switch. The only way I can communicate is through mini USB connector using Have you used that USB-Serial-Adapter on other computers with no problems. Note to Unix users: this manual currently primarily documents the Serial port redirection via an RDP connection is not working from a W10 PC to Windows Server 2019, but it is working from the same PC to Windows Server 2012 . Also, with console cable connected, switch would not properly boot up after power cycle. Is there any way I can send a BREAK from the puTTY or push any key that works. What you type on the PC keyboard should be echoed back on the PC screen. Tweak the serial speed to see if you can get a sane output if it was garbled. -This issue appeared when I tried to recover the IOS through Xmodem process (because I lost the IOS file and the switch only worked in rommon mode) 4. when I reload it and send a "BREAK" from the puTTY it didn't work. I tried to change the baud rate speed but it It's bad enough the listing didn't list the needed driver for this CH341SER but after installing it and trying every Putty Serial configuration to no avail, I read up on this some more found that these are likely Chinese knock off FTDI simulated chips that the Scottish FTDI brand had been fighting against. Sign in to view the entire content of this KB article. Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. I’m using an FTDI adapter. log ; Click Apply, and the log file should appear in your chosen location. Did you find You may see some introductory text sent from the serial device when the device has connected, but some devices do not respond until you send a command. Shane 0 Reputation points. – Sopalajo de Arrierez. If the Putty serial session is launching, Windows at least “sees” the serial port. To lengthen the scroll-back buffer size, right click on To get serial adapter working on win7 or to access to the switch? If you need to access the switch: 1. 4) I can't use pause/break to make them reset factory because it is the keyboard key and it doesn't work. Make sure that the serial device is not in use by another program. But I've met a strange problem about keyboard behaviors on putty console. Neither work. 3. By using the terminal in Arduino, I could see all the communication. exe and delete it. The Serial to USB in device manager shows as COM6 which is what I’ve been using to try and connect, and I have the port set to 9600 8 none 1 Xon/Xoff, like it shows on Intelligent Work Forums for Engineering Professionals. Scroll-back Buffer. Obtain a rollover cable (Ethernet and crossover will not work). Just tried your solution and it works!!! Thank you! Reply ↓. For the issue you encountered with error 5 (Access Denied) when starting a serial connection using PuTTY on Windows 11, here are some possible solutions and analyses: Run Do you actually have a builtin DB9 serial port or is it a USB to serial adapter? You've connected it properly, I googled and found the following settings. 8 ‘Local echo’ With local echo disabled, characters you type into the PuTTY window are not echoed in the window by PuTTY. I also tried using PuTTY to communicate, but it also didn't work. Use to be easy with XP. Shall i use the external adaptar for powering the device. I'm using PuTTY from Windows to connect to various servers where I run bash and screen. 12+00:00. EDIT3: How to replicate the exact same bug: Open a putty terminal to a linux PC (I'm using RedHat) Ask questions, find answers and collaborate at work with Stack Overflow for Teams. In this mode, text typed into the PuTTY window will be sent straight out of your computer's serial port, and data received through that port will be displayed in the PuTTY window. The problem is: when I launch a command, I cannot CTRL+C. I never read a single how to of PuTTy. For some reason my FE 0/0 port is now working on the broken router and has got an IP Address of 192. Using putty generates: "unable to open connection to com1 Unable to open serial port". Both the adapter and rollover cable are commonly available from online and physical Run PuTTY and fill in the appropriate serial port information: Any data typed will echo onto your PuTTY screen: If you can see the characters you typed in, the port is looping the data properly. Routers You can forget all of PuTTy if you know OpenSSH. You can use the PuTTYgen tool to generate a key or to convert an existing openSSH to a putty key. Thanks in advance! Boot the switch. begin(9600); } void loop() { Serial. exe process), the Registry value will be recreated. It seems bash works fine with ctrl-arrow keys to jump word-to-word on the command line but within screen it's not working. Windows & PuTTY, Linux & minicom etc. The manual specifies: 38400 bps and 8-n-1 serial port settings using DB9F to DB9F cable. JT August 3, 2019 at 4:39 am. The cursor just stays on his place. When configuring SOL on iDRAC for Mixed IP DDs (DD3300, DD6400, DD6900, DD9400, or DD9900), select Baud Rate to 115. The sup-720 failed and I was trying to upgrade the IOS on the sup-720. A listing of emulators that may also work is listed here. Pretty simple stuff, and I've had not trouble doing it with countless peripherals before. Post by mfeicht » 13. I am attempting to access our company’s ProCurve 2848 via console cable. Yesterday one of this fails and it is not working well, it is unaccessible via network. Leave the rest on default. This problem often SpiceWorks Community First off, I’m more of a systems/infrastructure guy, than a network guy. Once you have a key, you need to tell PuTTY about it. If not, I can see about diving into the pinouts. Have you a commercial partnumber for a null modem serial cable 6 feet DB9-F to DB-9F working for the SG300. Now I'm on windows 10 and when I use the serial connection with putty, I just get a blank black screen. Is there any way I can enable Putty to send From the PuTTY User Manual (Found by clicking on the "Help" button in PuTTY): 4. If that does not work, then maybe you have a straight through cable and not a null modem serial Unable to open connection to /dev/ttyUSB0 Unable to open serial port I thought I'd give it a try with root permissions sudo putty and it worked, but why!? If I do have to give root permissions to puTTY what would be the way to do it? I read gksudo is removed from 18. I plug the console cable into the router and the USB into my PC. However I am able to use Putty, with same settings to access a Cisco 2500 series router. So you can get back to using I'm trying to establish a serial connection to a peripheral from my PC's RS-232 port. If you see anything, even garbage, you know you have correct COM port and (probably) adapter. These users thanked the author Rich Hathaway for the post: Didneywhorl (Mon Aug 30, 2021 3:44 pm) Top. I just purchased the cable brand new Even graybeard veterans can have this sort of problem, which is why they cling tightly to their known-working adapters and cables. try to search for another pc (would be great if it will have built-in serial port) either linux (there you'll be able to run minicom) or windows xp (try first hyper-terminal instead of putty just to see whether it will work). You might use this mode Need putty to work on /dev/ttyUSB0. The devices (USB-serial and end-device) DO work as verified by using Kermit on the same machine. I'm definitely filing Hi I'm running a switch which I have brought home from work to tinker on and it's a Cisco 2960 Switch and when I run a console cable from it to my PC, I check in device manager and under Ports it says COM4 and the make of the cable with the up to date drivers on, In PuTTY I change it to serial and change the name to COM4 however, when I open a session it just has a green How to configure PuTTY for serial communications. When I launch putty I get a @Jakuje , latest (as for Jan 2018) mc (Midnight Commander) does not work for me on Putty (Kitty actually) when connecting to Windows Bitvise SSH Server. I connected it to the PC and it was recognized as Com 7. USB has out-of-band negotiation among its Can't get serial access to work. if everything went well, you should see the black window of the serial connection. Try opening a file in VI editor in Putty and see it yourself. Hi, I’m attempting to use putty to get a serial window working. In my case the port is COM3. 79 on MS Windows 10 Pro. Last updated: Jan 02, 2024 Filed Under Network. Register Log in. -No , the switch is not working, despite de the fact that I had console access before. For this you have two options: Specifiy a key Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. ; Click Browse and select a folder and filename for your log file, eg: C:\Users\Mike\Desktop\putty. The first time I plugged it in, I was able to get garbage characters in the output! Huge step forward. Anyway, the LEDs on the USB to serial device are a super helpful visual aid. e. Thanks. ppk file, which is not the same as the standard openSSH key file. This is why USB is the best thing that's ever happened to serial protocols, and has made serial better than ever. I am so confused because it seems don't have any control on these When I use Putty in a serial connection, all my text that I type in Putty does not show up on the Putty display. I can use it when I plug it into my computer via a USB to UART chip and send the command (C) from PuTTY and then press Enter. On this PC there is a . If not, have you the pinout of the null modem cable. So shouldn't I be able to select /dev/ttyUSB0 in putty's serial configuration and it should work. I must have Hello everyone, I'm try connect my Windows 10 computer to Aruba CX 8325 via micro usb console cable. Discussions related to using VirtualBox on Windows hosts. No recently viewed articles. Forums. New to NetApp? Learn more about our award-winning Support. Explore Teams. 2. If I disconnect the port and try it on the host computer, everything works. You have to have the right amount of persistence for RS232. Q&A for work. I think it could be involved putty will not open its cli if it is not connected. Main Menu Home; Search; Shop Welcome to OPNsense Forum I. And yet when I I'm trying to configure my personal Catalyst 3560G and my serial connection keeps hanging. For example, when pinging some machine, ping goes into an infinite loop and I cannot stop it using CTRL+C. 5) Any reset option from switch mode on the switch does not work i tried. I have some USB PL2302 serial port devices. Using PuTTY to send commands over RS232 . I. Works fine when I'm running putty with windows. 2) Scroll lock doesn't work. Good luck! Quick links. 1) Num lock solution doesn't work. and Yes XON/XOFF will help. All I see is COM3 and COM4 for "standard Serial over Bluetooth link". When the core is in listening mode (Flashing blue) the core appears in device manager and using the terminal I can get the device ID. To resolve this matter, follow the easy steps below. Thanks for your reply, but in my experience changing Window settings in Putty only affects the size of Putty window, but not the size of frame sent from a Linux device via Serial Console and shown inside the Putty window. I noticed that if user presses Backspace putty is not sending any code to controller it is just clearing text on screen. I know for a fact that the port (console on a switch) is 9600 8/n/1, so it should be simple. void setup() { Serial. 1. 7 Connecting to a local serial line. The switch is then not I've checked the Change Settings dialog box for different settings than my other open PuTTy windows, but the settings appear to be identical. Starting a session from the command line-cleanup; Standard command-line options-load: load a saved session; Selecting a protocol: -ssh, -telnet, -rlogin, -raw -serial-v: increase verbosity -l: specify a login name-L, -R and -D: set up port forwardings-m: read a remote command or script from a file-P: specify a port number-pw: USB to serial not working using putty? I have downloaded the USB gear drivers. Please help me to solve the problem. The parameters are correct; COM1 has been verified through Device manager. if you'll use adapter - a) check the drivers for it - and That doesn't even correctly answer your own question, which was how to get PuTTY to handle the \n as a newline with implicit carriage return (\r), and not how to change your code to make it match PuTTY's default behavior. Within screen The trick is to use puTTY Serial mode, and replace the COM1 with \\. Follow asked Feb 21, 2019 at 11:23. It may be different for SHH console though. I have no idea what the black, green, and white wires are connected If for any reason, DD2200 or DD2500 serial connection is not established with Baud Rate 9600, reconfigure the Terminal Emulator Software (PuTTY or Microsoft HyperTerminal) with Baud rate 115200. Thank you in advance. Vista tells me it is unable to open com1? Any ideas? This thread is locked. That way I fixed the issue with starting putty 0. Then on the right side of the Regedit window find a value that corresponds to putty. When I click on the entry Connecting from a Windows 7 PC via SSH to an Ubuntu server using PuTTY, I get some screen errors:. I’ve plugged it in and have been testing it, so far it’s been working fine. it: "Double-draws" the selection inside Midnight Commander (MC). When I connect my laptops COM port to a virtual one with Virtual Serial Port Driver (still connecting the cable to the same physical port of my laptop) I can use it and my program I searched and couldn't find a solution for this anywhere. Is their something I need to turn on in win 10 to get this to work? Or, is there something else I could use other then putty. Console settings exact match with documentation and I've done many console sessions with FortiSwitches before. The menue is 2. I'm trying to configure a Catalyst 2960 Series PoE-24 by the console port using the hyperterminal, but I am having a huge problem getting my STM32F401CCU6 to work properly with Serial Read/write. Recently Viewed. Type AT and press enter and you should see the black screen populate with OK if you are logged on, putty's settings are prob set to clear font, this happens by default sometimes but you can change it. Connect and share knowledge within a single location that is structured and easy to search. Click Logging from the Category: Session; Click the Log All Session Output radio button. SIGN IN. If so, skip to the next section. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Bookmark; Subscribe; Mute; Printer Friendly Page; serial monitor not working Go to Do Not Reproduce. \pipe\vmwaredebug or whatever you called the pipe in the VirtualBox serial settings. Try the same adapter on another computer maybe a different OS if you can. It's no wonder these specific cables don't work. I have done this and tried using multiple machines/ports/cables as well as several peices of software (minicom, PuTTy, hyperterminal) and none give But after installing some things or changing os specific settings or sometimes taking a snapshot the port cannot be accessed anymore by putty. Kinda cool. I am simply trying to access a cisco router using the recommended PUTTY. Thanks, To help we need to know the model of serial dongle you are using and the connections you have made between the Pi and dongle. 2 - If you have no way of making sure the serial port is actually working, start PuTTY or whatever program and set the correct serial port and speeds etc I am unable to use console cable+Putty, nor Terra Term, Win 7 to access the 5505. If you have a classical serial cable or an RJ45 serial cable, your Linux device will most likely be /dev/ttyS0 Run sudo putty and enter the device name and baud rate, as seen on the screenshot. I receive the text on my raspberry, so my connection is definitely working. We tried I even build my own null cable using only pin 2,3,5 of the DB9 without success. Make sure those are correct in Unable to open connection to COM1 Putty? Learn how to troubleshoot this common problem with our step-by-step guide. I checked and installed the most recent drivers through the device manager and also installed them manually to be sure. The USB end is connected to my laptop and the serial female is connected to the console port. should be read with that While attempting to connect via serial port using PuTTY, the connection is successful; however, no characters are displayed when entering keyboard input. Oct 2021, 18:37. Resolved! Amazon somehow got the USB to serial cable and the normal RJ45 to DB9 serial cable to me in just over 19 hours. - Now, I can not enter rommom mode, because the switch is blank, It appears that rommon mode is not working. In the client window, on the left pane, browse to : 7 thoughts on “ Putty Backspace Not Working ” ChrisR January 31, 2019 at 7:14 am. Once you have typed some data and pressed the "Enter" key to transmit to the serial device, you should see a response from the device displayed in the PuTTY window. 2 kbps in Serial PuTTY User Manual. Matt Bruce September 6, 2019 at 1:42 pm. The problem is that when I connect my board to my PC via the on board USB port, I Everything works fine using PuTTY on Windows: I have a shell and can type and execute commands. "â" instead of "|"). It only show garbage in the screen and I cannot enter any command. I've tried to telnet into it but I now get: Not sure what I should do yet other than try Juergen's method of reverse telnet with a Hello there, I am trying to connect to a Cisco switch SF500 using a Rs232 serial interface to USB. Improve this question . I know a thing or two, but thats it. So we tried to connect using the console cable, but we were not able to connect using the console cable (using Putty in Windows 7 and 10). 3) Changing the cable doesn't work. I am also having the same problem with a Pro Micro. cmd mode gives only COM1 (internal to motherboard) putty gives "Unable to open connection to COM2. This manual documents PuTTY, and its companion utilities PSCP, PSFTP, Plink, Pageant and PuTTYgen. If not all ports are working the we landup in this issue. Commented Jan 11, 2018 at 23:17. Oct 2021, 18:34 [Solved] Serial Interface not working. It worked, so thank you so much!!! Reply ↓. When at the Bash prompt, though, CTRL+C works and goes to the next line (so it is If you are using PuTTY or any variant version such as Kitty (not the feline, but the SSH client!), you may have noticed that backspace does not work with some devices. @tabrez let us know if you get it sorted out. You can check that your putty software and the serial port on the PC side are working by disconnecting it from the RPi and joining the Tx and Rx cables together. 12 posts • Page 1 of 1. The other "solutions" are are very likely to flake out sometimes do to their flagrant disregard of the differences between the terminals involved. Some applications expect Alt to send an ASCII escape character before the special key (such as F1), and (because this is not a realistic assumption) will often wait long serial monitor not working; Options. Way to Go! Home. exe from Windows Start Menu or Windows Explorer (which both work from explorer. If the data is not seen, it may be an indication of a hardware issue. If Using Windows Keyboard use the Hi, I'm working with a Catalyst 3650, using PuTTY as the terminal interface. ttyUSB0 shows up in dmesg. Seeking a nicer UI I installed PuTTY and, later, minicom. I'm able to type and change some settings but at seemingly random intervals, my key If PuTTY shows the error "Unable to open serial port" on Linux Mint, it means there’s a communication issue between PuTTY and the serial port device. 473 1 1 gold badge 8 8 silver badges 22 22 bronze badges. I’ve followed the tutorial in Docs and downloaded the patch etc. If looping back pins 2 and 3 works, then the baud rate may have been changed on the switch, so try other speeds leaving the other settings alone. Before sending a command you may Hi there! I am trying to make a simple program to get the Arduino talking to PuTTY working correctly. Connecting to a local serial line; The PuTTY command line. I am using the correct baud rate, data bits and stop bits I picked up a serial-to-USB adaptor and installed the drivers onto my Windows 7 machine. We'll cover everything from checking your settings to reinstalling the drivers. Bits per second is 9600. 3. It's becoming rare for computers to have a serial port, so you will likely use the USB cable. A normal ssh_config will work just like you’d expect it to Egal ob über den Serial Port oder den dafür vorgesehenen USB Port, welcher ja intern nur ein USB 2 Serial Konverter ist und ihr bekommt nur eine schwarze Konsole zu sehen, dann ist dieser Beitrag genau richtig für Euch! Denn dann habt ihr mit hoher Wahrscheinlichkeit genau das gleiche Problem wie ich, welches mich locker 2 bis 3 Stunden beschäftigt hat. Electrical / Electronic Engineers. println("Test"); delay (2000); } I came up with the above code to send I purchased an @Extreme_Networks Summit X450E on Ebay a couple of weeks ago. 04 and running an app as sudo <> is not recommended. . x; serial-port; pyserial; Share. 1. I currently have it installed via VGA and checked and also tried a few different settings The first thing you need is a key that PuTTY can understand. I’ve tried on Linux using minicom at different bus speeds and on Windows using PuTTY also at diferente baudrates but the result is the same, nothing is received on terminal screen. I have a PC that has a weight scale (for weighing heavy raw materials) that is connected to the COM port. When I reset the core and try and access it using the same details, it doesn One of the main release for not being able to have keystroke is if the Serial to USB is broken. See if you can find a computer with a real serial port, and check the scales there. mfeicht Posts: 7 Joined: 13. It tells me that it is unable to open the serial port but VMware shows that the port is still connected with the virtual machine. I want to connect with my serial Port using the PuTTY program, but it's not possible: When I click “open” nothing happens, I only hear a “Beep, There's a windows 10 machine on which Putty refuses to open serial ports. It is strange because it worked perfectly from the begining, but suddently it stoped working. We have a lot of this devices in our office. I wanted to let you know that I just searched and found your solution. Even I can connect to the COM port, but nothing is seen in the terminal, It appears that I am not getting anything. I loaded Putty but nothing gets displayed on Com I have had the switch for about 2 years and recently moved. The serial port settings should be: 9600 baud, 8 data bits, no stop bit, 1 start bit, no flow control. Taking input from user and feeding it to my controller. There's no error message, just a "ding" then I click on Open. Not in screen, ctrl-left sends "^[OC and ctrl-right is "^[OD". put It will open a connection in putty (9600, 8bits, 1 stop bit, no parity, no flow control) but will not load the system info. Any ideas on how to debug this? I have I'm having trouble using putty to set up a serial connection using my 16 port GSM modem. Connection via console cable was working fine on friday night, even after power cycling the device, ho Ask questions, find answers and collaborate at work with Stack Overflow for Teams. But if I press Enter Putty properly sending it's corresponding code to controller. Except that I can’t console into it. tgp abmmxkp knylbek jnwnuw kkjtpb cti hodhp ylfbrh mek njvb jfqk zsjt tmqwkmal gfgytmgf xxhqzu