MX4x4DVI-DL
User’s Manual
Page 9 / 43
RS 232/422 control port
Lightware MX 4x4 DVI and MX 4x4 DVI DL can be remote controlled through
industry standard 9 pole sub-D female connector located on the rear panel of the
unit.
The router can be ordered with RS232 or RS422 control port.
Pin 5 Pin 1
Pin 9 Pin6
RS 232 port pin locations
Table1. - RS232 and RS422 pin connections
Pin nr. RS 232 RS 422
1
NC non connected TX- data transmit complement
2
TX data transmit TX+ data transmit true
3
RX data receive RX+ data receive true
4
DTR internally connected to Pin 6 RX- data receive complement
5
GND signal ground (shield) GND signal ground (shield)
6
DSR internally connected to Pin 4 NC non connected
7
RTS internally connected to Pin 4 NC non connected
4
CTS internally connected to Pin 7 NC non connected
9
NC non connected NC non connected