Comtech EF Data CRS-170A - Manual (Page 153)

CRS-170A L-Band 1:1 Redundancy Switch MN/CRS170A.IOM
Appendix A Revision 13
A-7
A.2.5 Modem-to-Switch (CRS-170A and CRS-150), Data / Control ‘Y’ Cable (DB-25MDB-25M, DB-9M)
Figure A-5. Data / Control ‘Y’ Cable (CA/WR10456-4)