Comtech EF Data CRS-311 Installation And Operation Manual page 155

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
Revision 7
Appendix A
MN/CRS311.IOM
A.3.8
Control 'Y' Cable for SLM-5650/5650A to CRS-311 (HD-15M to HD-15M / DB-9F)
This  optional  Control  'Y'  Cable  (Figure  A‐11)  connects  the  HD‐15F  connector  labeled  "J1"  on  the  CRS‐311  RMI/TMI  to  the  HD‐15F  connector 
labeled  "J9  Auxiliary"  on  the  SLM‐5650/5650A  Redundant  and  Traffic  Modems.  Use  this  cable,  purchased  separately  in  place  of  the  standard 
control cable (CEFD P/N CA/WR12136‐2, Figure A‐9), to acquire user access to the AGC and I&Q outputs of the modems. 
 
  
Figure A-11. SLM-5650/5650A Control 'Y' Cable (CEFD P/N CA/WR12842-4)
A-13

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