ADTRAN TSU 120e user manual TSU Option Modules, Ocu Dp, Dsu Dp, BR1TE

Chapter 1. Introduction

TSU Option Modules

Some of the option modules available for the TSU 120 are:

Name	Description
DSX-1	Short haul T1 interface for operation
	with a PBX (Terminal Interface).
Full Drop and Insert	Permits the dropping of data and
	insertion of new data into the same
	DS0 time slot.
	Includes a long haul DS1 interface.
	Can be used as a second DS1
	interface to provide up to 3 MB
	aggregate throughput.
Nx56/64 Serial Interface	Provides a V.35 serial interface in
	either single or dual versions.
Voice Interface	2/4 channel FXS/FX0/E&M.
OCU DP	Interfaces to DDS or 4-wire
	Switched 56.
DSU DP	Provides two sync or async ports
	(232 or V.35).
Dial Backup	Allows data backup upon network
	T1 failure.
U-BR1TE	Allows ISDN lines to be extended
	over a T1 line.
Router	Provides 10BaseT port and integrated
	IP/IPX routing.
NxIQ	Provides Frame Relay monitoring
	capabilities.

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