Comtech EF Data CRS-311 Installation And Operation Manual page 152

1:1 redundancy switch, accessory product for use only with comtech ef data cdm-qx/qxl and slm-5650/5650a modems (modem firmware and hardware requirements apply)
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CRS-311 1:1 Redundancy Switch
Appendix A
A.3.5
Control 'Y' Cable for CDM-Qx and CDM-QxL with (HD-15M to 2X DB-15F) CnC
This cable (Figure A‐8) is one of the two types of control cables required for the CDM‐Qx/QxL modems. It adapts the HD‐15F "Faults" connector 
on  the  CRS‐311  RMI/TMI  to  the  mod  and  demod  DB‐15  "Alarms"  connectors  on  the  CDM‐Qx/QxL  Redundant  and  Traffic  Modems.  These 
®
interfaces are capable of CnC
 support. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Figure A-8. Control 'Y' Cable for CDM-QxL with CnC® (CEFD P/N CA-0000009)
A-10
Revision 7
MN/CRS311.IOM
®

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