Comtech EF Data CRS-311, Installation And Operation Manual

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CRS-311 1:1 Redundancy Switch Revision 7
Appendix A MN/CRS311.IOM
A-7
A.3.2 Standard EIA-485 Multi-drop Shielded Cable (6X DB-9F)
Use this standard EIA ‐ 485 Multi ‐ drop Shielded Cable ( Figure A ‐ 5 ) to daisy ‐ chain the CDM ‐ Qx/QxL Redundant and Traffic Modems together for
communications with the CRS ‐ 311. If Electromagnetic Compatibility (EMC) is not a concern, then use the optional EIA ‐ 485 Multi ‐ drop Ribbon Cable
( Figure A ‐ 4 ).
Figure A-5. Standard EIA-485 Multi-Drop Shielded Cable (CEFD P/N CA-0000096)