Comtech EF Data CRS-300 - Manual (Page 268)

CRS-300 1:10 Redundancy Switch MN/CRS300.IOM
Appendix B Revision 19
B-22
B.4.5 Modem-to-User, Ethernet Data Cable for CDM-625/A (RJ-45MHD-50M)
You may use this Ethernet Data cable to connect the Switch CRS-310 RMI to the CDM-625/A.
Figure B-17. Ethernet Data Cable for CDM-625/A (CA-0000121)