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14
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3answers
12k views

sniff serial port on Linux

How can I sniff packets communicated through serial port on Linux?
7
votes
1answer
927 views

Giving a new life to an old SPARC machine - boot and install related problems

My problem isn't one you encounter on a daily basis, yet I find interesting enough to share and ask for help. From the beginning: the academic scientific group I am a member of (we are focused on ...
6
votes
4answers
397 views

What is a a good serial-to-USB adapter?

Serial ports on devices are still used for many things, especially on network devices. However, most modern laptops no longer have serial (aka "COM") ports. So what I'm curious about is: what is a ...
5
votes
4answers
2k views

ESXi Serial licensing dongle

We have a server that hosts an old application that uses a serial dongle to license its product. We converted the physical server to a virtual server running in VMWare server running on Windows and ...
4
votes
4answers
2k views

Free software to monitor Serial Port communication

I'm looking for the Wireshark of Serial Port monitoring. I'd prefer free/open-source software, but am willing to look at commercial solutions if the price is reasonable. It needs to be compatible ...
4
votes
2answers
468 views

Are serial-to-ethernet adapters interchangeable?

I need to get data from a serial device (a weather station) over our network where it'll be processed by a Unix host (using custom software). I was able to compile remserial which makes the remote ...
3
votes
3answers
23k views

How to determine the baud rate of a serial port?

I'm setting up a console server and I need to determine the correct baud rate of my port. I'd like to do this from the command line, if possible. Does anyone know how?
3
votes
3answers
253 views

Recommended way to wire a serial port on a server?

I need to connect some Dell servers to a WTI TSM-40 serial port console. The serial console uses RJ45 connectors, and the Dells have DB9. I have DB9-RJ45 adapters (the ones you can customize with ...
3
votes
3answers
6k views

Is it possible to reset FTDI virtual com ports enumeration, we easily get hundreds of COM ports in production environment

When producing devices that use a FTDI USB to serial chip to communicate with a Windows host, we get hundreds of COM-ports, since Windows seems to just increase the port number each time a new FTDI ...
3
votes
2answers
2k views

Fedora14 serial console how-to needed

Has anyone ever got a serial console working in fedora 14 ? Is it as simple as adding to grub: serial --unit=0 --speed=38400 terminal --timeout=10 serial console and add to the kernel lines: ...
3
votes
2answers
2k views

SLIP Connections in Windows 7

I'm looking for a way to set up a SLIP connection in Windows 7. I found these instructions for setting it up under Windows XP, but I can't seem to figure out if it's possible under 7. More info on ...
2
votes
2answers
1k views

serial mouse detected on windows 2008 r2 server

I was hoping to find out how to stop windows 2008 server R2 64 bit from detecting a serial mouse on the com port. i know the boot.ini version with /noserialmouse....etc for earlier versions also i ...
2
votes
1answer
792 views

How to fix customer display pole that displays garbage?

I have an Openbravo POS workstation with a customer display pole. The pole is VFD-860. When I click on the products on the Sales page of Openbravo, the display responds but displays garbage: When I ...
2
votes
2answers
3k views

Is it possible to create Virtual Serial (COM) Ports

I'm working on software that needs to communicate with hardware over RS232 interfaces. In order to test I'm currently using 2 USB-TO-SERIAL devices connected to eachother using an RS232 cable. (Of ...
2
votes
2answers
407 views

How to power a serial port under linux?

I got a serial to ethernet device connected to a Serial (COM) port on a Linux machine (debian etch), I connected it correctly but it did not power up, I suppose I need to power the device port, anyone ...
2
votes
2answers
113 views

Is there a VM to map a legacy app's serial resources onto modern hardware?

We have inherited a legacy application which runs under DOS 6.2 and the Phar-Lap DOS extender (if anyone is old enough to remember that). It also uses up to 6 serial ports (16550) which are expected ...
2
votes
1answer
2k views

VMWare serial ports

Can someone tell me the difference between the different ways virtual serial ports can be configured using VMWare Infrastructure? For instance: What is the difference between "use output file" and ...
2
votes
1answer
3k views

RDP ts port redirection

I have 2 pairs of serial devices (a scale and a POS pin pad) hooked up to 2 pcs (4 serial devices in total) with windows xp embedded sp3 (x86) running RDC/rdp 6.0. I am using those machines to RDP ...
2
votes
1answer
364 views

Virtual COM port to TCP server?

I've got a project that there's no budget for. Basically I need to get a null modem connection set up between our phone systems(physical servers running Win2K8 32b) and our new reporting ...
2
votes
4answers
2k views

Remapping Linux serial port device names

I have a server running Debian Linux which has a built in serial port which is coming up as ttyS0. I have a plug in PCI card with two serial ports that are being registered with Linux as ttyS2 and ...
2
votes
0answers
65 views

Create a symlink to a serial port

I have a software that outputs some info to a text file. Now I want to redirect that output to a serial port. The file name is hard coded in the software. So I decided to create a symlink to the ...
2
votes
0answers
103 views

Nohup SLEEP does not hold TTY port open

We recently upgraded from Centos 4.3 to 5.9 and have come across a perplexing condition with regard to a very few direct-character printers we use. Since the beginning of Unix we have placed a command ...
1
vote
2answers
2k views

Serial to ethernet cable: how to connect to device

How can I use a serial to ethernet cable to connect to a device: in my case a Hp ProCurve AP? A serial to USB or serial to serial would have been great but I found this serial to ethernet cable from ...
1
vote
3answers
12k views

Connecting to a serial port/COM1 in Windows 7

I have an external device (running a small Linux-based OS) that I need to log in to via the Windows 7 command line. The device is connected to COM1 with a USB-to-serial cable. How do I do this without ...
1
vote
1answer
325 views

Windows XP: Unreachable COM ports

I use Bluetooth serial ports daily. Over the years I've noticed that the number of the virtual COM port created when I connect is getting higher and higher. Certain ports are now locked out, seemingly ...
1
vote
3answers
1k views

Using COM ports with Virtual Server

I have a couple of servers that I'd like to duplicate as guest instances in virtualserver. One of the applications that runs on them uses the COM ports to communicate between the two servers, and ...
1
vote
2answers
584 views

Powervault MD circular console cable

We have two Powervault MD SAS devices, the specific model eludes me as these are remote and not accessible to me and anyone on-site doesn't have the capability to locate a service tag/serial or model ...
1
vote
1answer
562 views

Windows 7 Print Spooler keeps serial ports locked also when stopped

I have a program (environment is Windows 7 Enterprise 32bit) that scans available serial ports to detect a specific device. But on many machines a printer driver is configured on one of the serial ...
1
vote
3answers
1k views

juniper j2300 console connection?

I've been given a Juniper Networks J2300 router, but I've never used a juniper device before and no idea where to begin on how to connect to the console of the device. I have a serial to RJ45 cable ...
1
vote
1answer
807 views

Serial connection over a single USB cable (Windows to linux, or linux to linux)

I'm helping out with a project for an embedded device that only has USB and no serial. This device is running Linux. These days, when we need to connect to a serial port on a device we typically use ...
1
vote
1answer
1k views

how to connect to a switch connected to serial port

My computer and switch both are connected to network. I need to connect to the console port of switch via serial port on my computer. I am using ubuntu. How can I do that? How do I know whats the ...
1
vote
2answers
9k views

Serial port forwarding over TCP/IP (linux server)

I am looking for a way to use a remote serial port on a linux machine over LAN. The machine is running ubuntu 10.04 and I have a arduino board connected to it, that I would like to be able to ...
1
vote
1answer
102 views

Agetty terminating during login on serial connection

I'm trying to login to a server through the serial port using agetty. When I start agetty and open the serial connection, I see the login prompt but as soon as I enter the username (in my case root), ...
1
vote
1answer
293 views

windows 2003 - why can't serial port be accessed remotely?

we have recently (foolishly) installed the updates on some of our servers, which have a bit of hardware attached via USB that presents itself as a serial (COM) port. The strange behaviour is that if ...
1
vote
1answer
368 views

How do I stop Windows from sending random data to serial port on startup and shutdown? [closed]

I have an Epson DM-D110 display pole connected to COM1. When Windows XP starts up and shuts down, a small bit of random character data is sent to the display pole. Some times it's the fish symbol, ...
1
vote
1answer
648 views

XP to XP link with SLIP over serial - No IP address on host computer side?

I'm trying to set up a SLIP link using a serial connection between two XP computers. This is to test some specialized communications hardware that only supports IP via SLIP. As a starting point, I'm ...
1
vote
2answers
856 views

VirtualBox serial port, limit of two?

Using VirtualBox, Is there a limit of two serial ports per VM? I'm currently engaging in a task that requires more than two, but less than or equal to four ports. I'm at a loss of what to do to get ...
1
vote
3answers
210 views

Getting something out of an old Digi ST-1032

I'm trying to update a setup of a shipping and packaging unit, that makes use of two Digi ST-1032 'Terminal Server' units. I find it a strange name for the devices, but pre-the-nineties it apparently ...
1
vote
0answers
37 views

Two port PCI serial card. One port can only set baud rate once

I have a new PCI serial card, being used on a Ubuntu 14.04 box. It's serial ports show up as /dev/ttyS4 and /dev/ttyS5. $ dmesg | grep ttyS [ 0.732690] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, ...
1
vote
0answers
17 views

Debian as TCP-Server for Serial Port redirecting [duplicate]

I want to start a tcp listener on debian. One client should be able to connect and should get inputs of serial port in the tcp connection. And when the client sends data through the tcp socket the ...
1
vote
0answers
576 views

How to redirect a Hyper-V COM port named pipe to a file?

I would like to redirect the serial port output on RedHat 5.7 to some recordable or reviewable medium. The normal way to do this on a physical machine is to add the console parameters to the kernel ...
1
vote
1answer
140 views

Logging Serial port Data

Unless I'm missing something, there appears to be no simple way in *NIX to read from a serial port directly into a file I had imagined something as simple as cat /dev/ttyX > file but apparently ...
1
vote
0answers
104 views

How to configure MODBUS on a Cyclades TS100?

I have a Cyclades TS100 which is used to communicate with a Modbus Slave. I selected Protocol: Modbus and configured MODBUS Serial Mode: RTU The thing is, I event don't get a connection to the Serial ...
0
votes
2answers
287 views

How to connect a Mac laptop to a server via the serial port?

I'm a applications guy trying to set up a Dell c6100 server that doesn't boot. We'll have physical access tomorrow. The box has a serial connector for console access. We'll have a MAC laptop. Are ...
0
votes
1answer
857 views

Debian Squeeze guest running under KVM, how to get serial?

I've just got it running on Ubuntu, have installed everything but the kitchen sink. Got virt-console, virt-manager, running debian Squeeze, everything works. But... I don't want to connect via vnc. ...
0
votes
3answers
257 views

Network Serial/COM Port

I need to connect to a single serial port over the network. I was wondering if there was a hardware device that I could connect to the port and then install a virtual COM port on a Windows box. The ...
0
votes
1answer
26 views

Is there a device with multi auxiliary (AUX) ports to configure multiple devices

Level: Beginner Sorry for the confusing title. I shall try to explain my best to explain my question. Question: Is there a networking device named X that has multiple AUX ports so that I can connect ...
0
votes
1answer
1k views

Com port redirection from Windows 7 to Windows Server 2008 R2

We use "Copy file.prn to \tsclient\com1" to print from a TS session to a locally attached serial printer. This works fine from Windows XP, but when trying it from a Windows 7 client computer, we get ...
0
votes
1answer
313 views

Remote Linux Installation

i will try to install a Linux-System to a remote System where i dont have a Monitor or Keyboard. I can access the machine with ssh. I found following Document that describe a serial connection via ...
0
votes
1answer
193 views

Where is the source code that implements the driver for /dev/ttyS0 serial port in Red Hat?

I am trying to debug a problem with a device attached to /dev/ttyS0 on a workstation running RHEL 5. Using my relatively basic Linux knowledge, I can not seem to figure out where to look for the ...