10 More Discussions You Might Find Interesting
1. HP-UX
Hi,
This is my first post here.
I would like to ask: how to connect the barcode scanner to the serial port?
What are the names in the system (in / dev) and serialport1 serialport0?
Please help with this.
Regards. (2 Replies)
Discussion started by: ftwojtek
2 Replies
2. Programming
Hi, I'm trying to fix up some serial code that was given to me by a coworker no longer on the project. Problem is, when the program is running and reading the port, I can take away the port by doing a cu command in another terminal window. When I release the cu, the program crashes, I think... (1 Reply)
Discussion started by: Oak
1 Replies
3. Shell Programming and Scripting
Is it possible to write a perl program to controll the serial port?
e.g. What iam trying to do, for a challenge is create a box with two lights. red and green, connect to a serial port and have a perl program to give me the options to turn on the red light or green light.
Is this possilbe, can... (1 Reply)
Discussion started by: perleo
1 Replies
4. IP Networking
hi there i'm a new bie
just got few simple questions to ask.
I got expert in windows configuration but totally new to unix environment . I want to make sure a com port (com1) is working, so I connect a 9-pin cable (CB9) for both PC using Unix environment (unix to unix).
The question are (1)... (1 Reply)
Discussion started by: typsam
1 Replies
5. UNIX for Dummies Questions & Answers
Working in SunOS 2.6 without the GUI, I am trying to find out what command line syntax I can use to reset the serial port. I have also been curious how to reset peripheral devices without having to reboot the machine. If anyone has a cheat sheet for that, that would be great! (1 Reply)
Discussion started by: mcherry
1 Replies
6. Cybersecurity
How to access to COM1 Port COM2 ports in UNIX
is there any functions (1 Reply)
Discussion started by: rajashekaran
1 Replies
7. UNIX for Dummies Questions & Answers
Please could some one tell me how to open a port in unix or to check if a port is open. (2 Replies)
Discussion started by: bountyhunter
2 Replies
8. Programming
Hi every body, i have the following problem :
I need to read incoming data from a serial port, this port has connected a weigth device to it that send the weigth and i need to read this data to my aplication, i had this problem in Window Enviroment and i resolve with a "C" routine, but in Unix... (1 Reply)
Discussion started by: jricardorm
1 Replies
9. UNIX for Dummies Questions & Answers
I had been using a modem installed on a Digi accelerator port to dial in to an SCO open server r5 server. On monday it quit working and I realy don't know how it was installed and configured. I have tested the modem on a PC and it works. The port the modem is connected to is ttyB06 and I have... (1 Reply)
Discussion started by: kikkin
1 Replies
10. UNIX for Dummies Questions & Answers
Hi,
I'm new to the boards and don't know all that much about unix either.
I do have quite a specific question though and i hope someone can help me with it...
i'm going crazy...i've been trying to set up a wacom tablet on my unix box. i've don't it before but it was taken away and the os... (3 Replies)
Discussion started by: Salwey
3 Replies
ports(7) Miscellaneous Information Manual ports(7)
NAME
ports, port_names - Device (tty and lp) names for serial and parallel ports
SYNOPSIS
Default Serial Ports:
/dev/tty00
/dev/tty01 (not present on a single-port system)
Parallel Port:
/dev/lp0
DESCRIPTION
AlphaStation and AlphaServer systems provide one or two 9-pin serial communication ports. These ports are usually labelled 1 (COMM1) and 2
(COMM2), but they may be identified by different icons. Using the appropriate serial cable and terminator, you can connect a serial
printer, external modem, or character-cell terminal to a serial port. Most AlphaStation and AlphaServer systems also provide one parallel
port, for use with a parallel printer.
When you add a device to your system, the installation documentation may instruct you to map the device pathname to the port. These
devices are located in the /dev directory.
For serial-line ports, the two default device pathnames are: This pathname always maps to 1, COMM1, the lowest port number, an icon for a
terminal console, or the only serial port (on a single-port system). This pathname always maps to 2, COMM2, the next numbered port, or (if
one serial port is labeled with an icon for a terminal console) the remaining serial port.
If your system hardware has been extended to include additional serial ports, the pathnames /dev/tty02, /dev/tty03, and so forth, may also
be available to you. However, most systems have only /dev/tty00 and /dev/tty01 as the device pathnames for serial ports.
The one parallel port on an AlphaStation or AlphaServer may be labeled with the word printer or a printer icon. On some systems, the paral-
lel port may not be labeled. The device pathname for the parallel port is /dev/lp0. Currently, Tru64 UNIX does not fully support parallel
printers, so fewer devices are connected to this port as compared to serial ports.
If you are connecting a terminal console to your system, it must be connected to the serial port mapped to /dev/tty00. For other serial
devices, it does not matter which of the serial ports you choose for the connection. For example, suppose you are setting up a system that
has two serial ports, labeled 1 and 2. You intend to use a serial-line terminal rather than a workstation monitor as the system console and
also want to connect a serial-line printer to the system. In this case, you must connect the terminal to the port labeled 1 (with the
device pathname /dev/tty00). Therefore, you must connect the printer to the remaining port labeled 2 (with the device pathname /dev/tty01).
If, for the same type of system, you intend to use a workstation monitor as the system console, it does not matter which serial port you
use for a serial-line printer or modem. In other words, you can connect the printer to either port 1 (with pathname /dev/tty00) or port 2
(with pathname /dev/tty01). When prompted to enter a /dev/tty** pathname by the lprsetup script or the Print configuration tool in the CDE
Application Manager, you would specify /dev/tty00 if you connected the printer to port 1 or /dev/tty01 if you connected the printer to port
2.
See the System Administration manual for more information on setting up consoles (including remote consoles) and printers. See the
modem(7) reference page for more information on setting up modems.
SEE ALSO
Commands: lprsetup(8)
Devices: ace(7), modem(7)
System Administration delim off
ports(7)