Aten VM0202HB [31/55] Chapter 4

Aten VM0202HB [31/55] Chapter 4
21
Chapter 4
RS-232 Operation
Overview
The VM0202H / VM0202HB’s can be configured and controlled via RS-232
commands when connected to a host computer or other device, such as a
control system. This chapter provides information on how to connect to the
VM0202H / VM0202HB via RS-232/Telnet and command syntax.
Connecting to the Matrix Switch via RS-232
You can control and operate the VM0202H / VM0202HB using a high-end
controller or PC. To connect to the VM0202H / VM0202HB via RS-232, do
the following:
1. Connect the RS-232 serial port on the VM0202H / VM0202HB to the RS-
232 serial port on your computer using a 9-wire straight cable, with only
pin 2 to pin 2, pin 3 to pin 3, and pin 5 to pin 5 connected.
Pin Description
1 Not connected
2 RXD
3 TXD
4 Not connected
5 GND
6 Not connected
7 Not connected
8 Not connected
9 Not connected

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