2 crs-170a user connectors, 1 modem side connectors, 1 if connectors (50( type ‘n’) – Comtech EF Data CRS-170A User Manual

Page 46: 1 if connectors (50 ω type ‘n’)

Advertising
background image

CRS-170A L-Band 1:1 Redundancy Switch

MN/CRS170A.IOM

Switch Connectors and Pinouts

Revision 13

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-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

J5 Tx A

J3 Control A

J4 Control B

J2 Rx B

J1 Rx A

Figure 3-3. CRS-170A – Modem Side Connectors

3.2.1.1 IF Connectors (50 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

Name

Description

Direction

J1

Rx A

RX-IF signal

Out

LNB 10 MHz Ref

In

LNB Power

In

J2

Rx B

RX-IF signal

Out

LNB 10 MHz Ref

In

LNB Power

In

J5

Tx A

TX-IF signal

In

BUC 10 MHz Ref

In

BUC FSK Comm.

In/Out

BUC Power

In

J6

Tx B

TX-IF signal

In

BUC 10 MHz Ref

In

BUC FSK Comm.

In/Out

BUC Power

In

Advertising