The ADTRAN Dual OCU DP Module is an expansion module for the TSU Multiplexer Family. Designed to provide full OCU DP operation for office applications, the module can be used to extend 64k DDS, Switched 56 or Frame Relay circuits up to 18,000 feet from the multiplexer. The Dual OCU DP Expansion module now expand the capacity of the TSU multiplexer family to support four OCU DP interfaces per expansion slot.
Alternating & Latching Loop-backs:
Network to Loop Test Codes:
Loop to Network Test Codes:
