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Questions tagged [serial]

Serial stands for doing things sequentially, one bit at a time.

8
votes
4answers
2k views

Using an Rj45 to D9 RS232 Adaptor with a laptop to control an RS232 device

I've got an RJ45 to D9 RS232 Adapter that I want to use to control an RS232 device in the following config: Laptop RJ45 Ethernet port -> Cat6 patch lead -> D9 RS232 adapter -> RS232 Device Would ...
1
vote
1answer
34 views

Redirect serial console for ssh/minicom

I am working with an embedded Linux system using a USB serial port as the system console. When I am local to it, I simply use a USB cable to my PC and run PuTTY, giving me an interactive console ...
-1
votes
0answers
30 views

C# Mono LINUX VCOM buffer size

When I receive data over VCOM serial port the maximum size of the one transaction is below 4kB. Tested on Ubuntu and Debian. Probably it is internal buffer problem. Is there any way (except writing ...
1
vote
2answers
122 views

Executing multiple commands over serial port with PuTTY with a .bat file with a delay between individual commands

send.bat: plink -load test < commands.txt (test is a saved session in putty) commands.txt echo set_zero timeout /t 3 /nobreak >nul 2>&1 pause >nul 2>&1 echo set_a 65535 ...
0
votes
1answer
62 views

How do i find out which Windows do i need?

I had to reinstall my laptop, and "luckily" my recovery disk is broken... My laptop is too old to get help from the manufacturer or the seller, BUT i have the Windows serial key at the bottom of the ...
0
votes
1answer
272 views

screen a serial get could not find a PTY Error

I insert the serial-USB convertor into my Mac. and under the /dev I find the tty.wchusbserial1410. but when I use screen to connect it: screen /dev/tty.wchusbserial1410 9600 there get error: ...
1
vote
1answer
66 views

Forward shell to serial on Linux

I'm trying to forward a shell to serial (USB to RS232) so I can use an old monochrome CRT terminal. How can I forward a shell to a serial port so the other end can send commands & read output ...
0
votes
2answers
50 views

Splitting serial port output

I have a nurse call system that has output that connects to a paging transmitter. Works good right now. We put in a serial "Y" splitter so that we could receive the same data, but to another computer ...
0
votes
1answer
75 views

Can non IP data formats over cat5 / 6 (eg. RS232 etc..) damage an IP switch?

Can various data formats can be run over a cat5 / 6 cable with RJ45 ends. These can include (not an exhaustive list) HDbaseT RS232 / RS485 (using an RJ45 to serial adaptor on the end) POE Cat6 (...
0
votes
1answer
69 views

How does a machine interpret serial data from an external serial bus?

Most external buses (e.g. USB) transfer data in a serial manner. However, a machine like a PC needs to turn this into parallel data to interpret it? How does it do so? Edit: If most computers operate ...
1
vote
2answers
199 views

Network between 2 routers - is it LAN or MAN or WAN?

We have two interfaces on two routers, which are connected with a serial cable. Both of the interfaces are in network 224.0.0.0/24. So one interface on the first router has IP address 224.0.0.1/24. ...
3
votes
1answer
1k views

Running batch commands through PuTTY serial connection

I have a sequence of commands which I use to update the firmware on my Linux machine. When I connect to the machine using a serial connection I can type the commands one-by-one and they work fine. I ...
0
votes
0answers
110 views

Ubuntu Server 16.04 Serial

I have a old server that I would like to install ubuntu server on, unfortunately it only has a serial rj45 on it and no on-board graphics. I have followed this tutorial with no luck: https://github....
0
votes
0answers
43 views

Ubuntu Server serial install

I have got a new watchguard XTM 515 and would like to install Ubuntu Server on it as I know that it is powerful enough to run it. The only restraint is getting serial access: how do I install Ubuntu ...
0
votes
0answers
19 views

Split bar code data through serial ports.

I have been trying to split the bar code data from a Honeywell bar code scanner into two different computers for different purposes. Bar code output through 9-pin serial port. One input to desktop ...

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