beautypg.com

2 front panel connectors – Comtech EF Data CRS-280L User Manual

Page 35

background image

CRS-280L L-Band IF Switch for 1:N Redundancy

Revision 1

Connector Pinouts

MN/CRS280L.IOM

3–3

3.2 Front Panel Connectors

Unless otherwise noted, the connectors featured on the front panel of the CRS-280L are intended
for connection to all IF equipment internal and external to the 1:N redundancy setup.

3.2.1 Front Panel IF Connectors – Receive IF and Transmit IF, 50Ω Type ‘N’

Each Transmit IF and Receive IF port connector is a 50

Ω Type ‘N’ female

connector. Observe the following:

See Chapter 4. CABLES AND CONNECTIONS for complete details on IF cabling between
the CRS-280L and its companion redundant switches, redundant and traffic modems, and uplink
and downlink equipment.

IF Side

Connector

Pair

Connector Name

Transmit IF

Tx Backup (Tx Redundant)

Test Out

Tx In

Tx 1 through Tx 10 (Tx Traffic)

Up Link Out

Tx In

Receive IF

Rx Backup (Rx Redundant)

Test In

Rx Out

Rx 1 through Rx 10 (Rx Traffic)

Down Link In

Rx out