Table 5-26:
Model 1204-0B: RS-485 pin-out
Pin Assignments
Pin No. Signal
1 GND
2 RS-485 IN+
3 RS-485 IN-
4 GND
5 RS485 OUT+
6 RS485 OUT-
7 GND
8 NC
9 NC
10 NC
Once an address has been assigned to it, the communication port can be operated as input or
output (via CLI).
Communication Input/Output: Edit Window
To configure the Communication port’s settings, go to its Edit window. For instructions, see:
"Configuring Option Card Inputs/Outputs" on page330.
The Web UI list entry for this card is: RS-485 Comm.
The name of the Input/Output is: RS-485Comm[number].
Note: SecureSync starts numbering I/O ports with 0 (only 1PPS and 10MHz out
puts start at1, because of the built-in outputs).
488 SecureSync User Reference Guide
APPENDIX