Mocomtech CRS-300 - Manual (Page 219)

CRS-300 1:10 Redundancy Switch Revision 16
Cable Drawings MN/CRS300.IOM
A-17
A.4.1 EIA-232/422, EIA-530 Control and Data Cable, DB-25
Figure A-13 shows the EIA-232/422, EIA-530 data cable for connection between the Switch and Modem or between the Switch and the User data.
Figure A-13. EIA-232/422, EIA-530 Control and Data Cable (CA/WR0066)