Comtech EF Data CRS-500 - Manual (Page 90)

CRS-500 1:N Redundancy System Revision 2
Cables and Connections MN-CRS500
4–34
When a modem is taken offline, its Tx IF is automatically muted (shut down) by the CRS-500.
Figure 4-12. CRS-500 1:N IF Cabling Example 1 – Single Transponder Configuration (No ISUs)
(Connections shown for TMs 3 and 5 and 8 only)