Comtech EF Data CRS-180 - Manual (Page 40)

CRS-180 70/140 MHz IF 1:1 Redundancy Switch MN/CRS180.IOM
Switch Connectors and Pinouts Revision 11
3–4
Connection Instructions: Press down the tab on the cable plug, and then insert the plug into the
RJ-4x jack. The connection is complete when the tab ‘clicks’ into position inside the jack.
3.2 CRS-180 User Connectors
3.2.1 Modem Side Connectors
The modem side connectors (Figure 3-3) provide all necessary external connections between the
CRS-180 and the compatible Comtech EF Data modems.
J6 Tx B J5 Tx A J3 Control A
J4 Control B
J2 Rx B J1 Rx A
Figure 3-3. CRS-180 – Modem Side Connectors
3.2.1.1 IF Connectors (50Ω BNC)
F our 50Ω BNC female connectors are provided on the modem side of the CRS-180.
Table 3-1. Modem Side Type ‘BNC’ Connectors
Ref Des Name Connector Type Function
J1 Rx A BNC IF Input to Modem ‘A’
J2 Rx B BNC IF Input to Modem ‘B’
J5 Tx A BNC IF Output from Modem ‘A’
J6 Tx B BNC IF Output from Modem ‘B’