Crs-170A User Connectors; Modem Side Connectors; If Connectors (50Ω Type 'N'); Table 3-1. Modem Side Type 'Type 'N' Connectors - Comtech EF Data CRS-170A Installation And Operation Manual

CRS-170A L-Band 1:1 Redundancy Switch
Switch Connectors and Pinouts
3.2

CRS-170A User Connectors

3.2.1 Modem Side Connectors

The modem side connectors (Figure 3-3) provide all necessary external connections between the CRS-
170A and the compatible Comtech EF Data modems.
J6 Tx B
3.2.1.1 IF Connectors (50Ω Type 'N')
Four 50Ω Type 'N' female connectors are provided on the modem side of the CRS-170A.

Table 3-1. Modem Side Type 'Type 'N' Connectors

Ref Des
J1
J2
J5
J6
J5 Tx A J3 Control A
J4 Control B
Figure 3-3. CRS-170A – Modem Side Connectors
Name
Rx A
Rx B
Tx A
Tx B
J2 Rx B
Description
RX-IF signal
LNB 10 MHz Ref
LNB Power
RX-IF signal
LNB 10 MHz Ref
LNB Power
TX-IF signal
BUC 10 MHz Ref
BUC FSK Comm.
BUC Power
TX-IF signal
BUC 10 MHz Ref
BUC FSK Comm.
BUC Power
3–4
MN/CRS170A.IOM
Revision 14
J1 Rx A
Direction
Out
In
In
Out
In
In
In
In
In/Out
In
In
In
In/Out
In