Manual

Matrix Switching System—User Manual
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6.6 Ports and Switchers
The Matrix Switcher provides standard RS-232 and RS-485 serial communication ports.
Beside the front panel for key switching operation, you can also use the RS-232 or
RS-485 serial communication port to carry out remote operation.
6.6.1 RS-232
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.