Spectracom SecureSync 1200 User Reference Manual page 504

APPENDIX
Table 5-26:
Pin No.
1
2
3
4
5
6
7
8
9
10
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] .
488
Model 1204-0B: RS-485 pin-out
Pin Assignments
Signal
GND
RS-485 IN+
RS-485 IN-
GND
RS485 OUT+
RS485 OUT-
GND
NC
NC
NC
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).
SecureSync User Reference Guide