Sierra Video 3232HD-3G - Manual (Page 16)

SIERRA VIDEO
6
For Yosemite Video, Sequoia, 3RU RS-422 Port Router, & Sierra Pro series 32 use the
following pin-outs.
Aspen RTR
2 RX 3 TX
3 TX 2 TX
5 GND 1,5 & 9 GND
For RS422 use the following pin-outs.
RS-422 Crossover
Aspen RTR
1 Ground 1 Ground
2 Transmit (-) 8 Receive (-)
3 Receive (+) 7 Transmit (+)
4 Not used 4 Not used
5 Not used 5 Not used
6 Not used 6 Not used
7 Transmit (+) 3 Receive (+)
8 Receive (-) 2 Transmit (-)
9 Ground 9 Ground