M
M
M
X
X
X
-
-
-
3
3
3
U
U
U
B
B
B
/
/
/
M
M
M
X
X
X
-
-
-
4
4
4
U
U
U
B
B
B
/
/
/
M
M
M
X
X
X
-
-
-
7
7
7
U
U
U
B
B
B
23
6.3 Remote Control Connections
The Matrix Switcher provides standard RS-232 and LAN communication ports. Beside
the front panel for key switching operation, you can also use the RS-232 or LAN
communication port to carry out remote operation.
6.3.1 RS-232
Use the RS-232 connecting cable to connect the computer serial communication port
(COM1 or COM2) to the RS-232 communication port of the Matrix Switcher. The
computer can then be used to control the Matrix Switcher after installing of application
software. Aside from using the front panel keys for switching operation, you are also
permitted to use the RS-232
connection port for remote operation.
Figure 6-6 RS-232 and Control PC Connection
The RS-232 Pin functions are described as below:
Pin No.
Abbreviation
Description
1
N/u
Null
2
TXD
Send
3
RXD
Receive
4
N/u
Null
5
GND
Ground
6
N/u
Null
7
N/u
Null
8
N/u
Null
9
N/u
Null
The Matrix RS-232 port is defined by DCE.
