Acculink DSU/CSU Data Service Unit Models 3160-A4, 3161, 3164-A2, and 3165-A4 Operator's Guide

E. Pin Assignments
3160-A2-GB24-10 March 2001
E-17
External Clock Interface
The External Clock connector pinouts are in Table E-11, External Clock
Connector.
Table E-11. External Clock Connector
Signal Pin Number
Shield 1
Clock (+) (RS422 only) 2
Clock (–) (RS422 only) 3
Clock In (RS423 only) 9
Signal Common 11