Servicing Information
UNIVERSAL WAN Module:
The Universal WAN Interface module in this router may be configured to operate in one of four modes: V.11/X.21, V.35, RS232/V.24, or RS530/RS422. The interface connector for all types is a standard DB25 pin female connector.
13 
1
25 
14
WARNING: ensure that the connector cable used with the Universal WAN interface module has the correct pinouts for the operational mode selected for the interface (V.11X.21, V.35, RS232/V.24, or RS530/RS422). Using the incorrect cable connector for the operational mode selected may cause permanent damage to the interface module.
Pinouts for each mode of operation are listed on the pages following.
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