Comtech EF Data CRS-311 - Manual (Page 148)

CRS-311 1:1 Redundancy Switch Revision 7
Appendix A MN/CRS311.IOM
A-4
A.2.3 Switch M&C / Firmware Update Cable
The EIA‐232 connection cable (Figure A‐3) is required for the serial‐based M&C of the CRs‐311, and for the firmware update process. Use this on
the CRS‐230 System Controller Module “Remote Control” port at the CRS‐311 end and a user PC serial port.
Figure A-3. Switch M&C / Firmware Update Cable