Chapter 4. modem and switch configuration, 1 overview, Chapter 4. modem – Comtech EF Data CRS-180 User Manual
Page 43: Switch configuration

4–1
Chapter 4. MODEM
AND
SWITCH
CONFIGURATION
4.1 Overview
To avoid damage to either the modem pair or the CRS-180 switch, it is important that
you follow this sequence of configuration:
• First, configure both modems for 1:1 redundant operation as directed in this chapter. This
chapter organizes the modem-specific sections and any specific interface configuration
examples as follows:
For Modem...
See Chapter Sect.
CDM-625/A
4.2
CDM-760 or CDM-750
4.3
CDM-570/A
4.4
CDM-710G, CDM-710, or CDM-700
4.5
• Second, once you properly configure both modems for 1:1 redundant operation, set the
DIP switches on the CRS-180 to the correct modem selection. See Sect. 4.6 CRS-180 Switch
DIP Settings for details.
•
Third, once you properly configure both modems and the DIP switches, connect the
control and IF cables between the powered OFF modems and switch. See Chapter 5.
CABLES and CONNECTIONS for details.