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Overview The Avaya 120A4 CSU Module (part number 108660390, 63185A) is a high-performance channel service unit designed to provide reliable line condi..

Overview The Newbridge Networks CSU Module (part number 90-0161-01) is a compact, high-performance channel service unit designed for seamless integrat..

Overview The Avaya 120A3A CSU Module (part number 106606536) is a high performance channel service unit designed to provide reliable line conditioning..

Overview The Avaya 120A CSU Module (part number 106606536) is a high performance channel service unit designed for reliable interface between digital ..

Overview The Avaya Lucent 120A4 CSU Module (part number 108660390, 63185A) is a high-performance channel service unit designed to provide reliable lin..

In combination with a DS1 circuit pack, it provides the essential functions of external CSUs Small size, easier to install than external CSU Does not ..

Overview The Avaya 120A6 CSU Module (part number 700393770) is a high-performance channel service unit designed to provide reliable line conditioning ..

OverviewThe Avaya Lucent 120A6 CSU Module with DS1 Alarm is a high-performance channel service unit designed to protect and monitor digital circuits i..

The Adtran DSU 56/64 provides a cost-effective solution for termination of 56 or 64kbps DDS services. This DSU is a very economical solution for singl..

Combining the features of a multiplexer, a DSU, and a CSU, the Access-T family of products lets you leverage the full benefits of today's T1 and fract..

OverviewThe Paradyne Framesaver FLEX 91230C CSU/DSU (model 9123-A1-211) is a high performance channel service unit / data service unit designed for re..

COMSPHERE 3610 Series Data Service Units (DSUs) are highly reliable, state-of-the-art products ideal for todays network-managed digital environments. ..