Rs-232 And Rs-422 Links; Rear Panel Remote Port - Extron electronics CrossPoint 450 Plus Series User Manual

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SIS Programming and Control

RS-232 and RS-422 Links

The switcher has two serial ports that can be connected to a host device such as a
computer running the HyperTerminal utility, an RS-232 capable PDA, or a control
system. These ports make serial control of the switcher possible. The two serial
ports are:
•
•
The default protocol for both ports is as follows:
•
•

Rear panel Remote port

The rear panel Remote RS-232/RS-422 port (fi gure 4-1) can be confi gured for either
RS-232 or RS-422. The port can operate at the 9600, 19200, 38400, or 115200 baud
rate.
N The rear panel Remote RS-232/RS-422 port can be confi gured from the front
Figure 4-1 — Remote connector pin assignments
CrossPoint 450 Plus and MAV Plus Switchers • SIS Programming and Control
4-2
The rear panel Remote RS-232/RS-422 port, a 9-pin D female connector
The front panel Confi guration (RS-232) port, a 2.5 mm mini stereo jack
9600 baud • no parity
1 stop bit • no fl ow control
panel or using Simple Instruction Set (SIS) commands. See Selecting the
rear panel Remote port protocol and baud rate in chapter 3, Operation,
to confi gure the port from the front panel. See the Set serial port parameters
command on page 4-21 to confi gure the port using an SIS command.
Pin RS-232 Function
1 — Not used
1
2 TX Transmit data
6
3 RX Receive data
4 — Not used
9
5
5 Gnd Signal ground
6 — Not used
7 — Not used
8 — Not used
9 — Not used
• 8-bit
RS-422 Function
— Not used
TX– Transmit data (–)
RX– Receive data (–)
— Not used
Gnd Signal ground
— Not used
RX+ Receive data (+)
TX+ Transmit data (+)
— Not used