Comtech EF Data RCS20 - Manual (Page 180)

RCS20 M:N Redundancy Switch Revision 15
System Cabling Configuration MN-RCS20 and CD-RCS20
B–2
B.2 RCS20 Interconnects
Figure B-1 shows a cable chart for the DMD20-50 units using SCSI interface with DDS20 and IFS 70/140.
Figure B-2 shows an RCS20 interconnect with DDS-20 units and IFS-20 70/140.
Figure B-1. Modems using SCSI Interface with DDS20 and 70/140 Cable Chart
Figure B-2. RCS20 interconnect with DDS20 and IFS-20 70/140