Modem And Switch Configuration; Overview - Comtech EF Data CRS-170A Installation And Operation Manual

Chapter 3. MODEM AND SWITCH
3.1

Overview

In order to avoid damage to the modems and CRS‐170A switch, it is important to
follow this sequence of configuration:
•
•
•
First,
configure the modems for 1:1 redundant operation as outlined in this
chapter in Sect. 3.2 through Sect. 3.7.
Second,
once the modems have been properly configured for 1:1 redundant
operations, set the DIP switches on the CRS‐170A to the correct modem
selection, as outlined in this chapter in Sect. 3.8 CRS‐170A Switch DIP
Settings.
Third,
once the modem and switches have been properly configured,
connect the cables between the powered OFF modems and switch as
outlined in Chapter 4. CABLES AND CONNECTIONS.
CONFIGURATION
3–1