Comtech EF Data CRS-311 - Manual (Page 169)

B–1
Appendix B. CONTROLLER / TMI
CONNECTOR PINOUTS
B.1 CRS-230 System Controller Module
CRS-230 System Controller Module
Feature Connector Description See Appendix Sect.
1 IF Switch Control B.1.1
2 485 Pass-Through B.1.2
3 Remote Control B.1.3
4 System Alarms B.1.3
B.1.1 CRS-230 “IF Switch Control” Connector (DB-25M)
The CRS‐230 “IF Switch Control” connector is not used with the
CRS‐311.