Comtech EF Data CRS-311 - Manual (Page 147)

CRS-311 1:1 Redundancy Switch Revision 7
Appendix A MN/CRS311.IOM
A-3
A.2.2 EIA-530 to V.35 DCE Cable
Use the EIA‐530 to V.35 DCE Cable (Figure A‐2) for connections between the CRS‐311 and the User Data.
Figure A-2. DCE Conversion Cable: EIA-530 to V.35