ADTRAN 1200142L1# Chapter 1 Introduction DUAL NX56/64 V.35 OPTION MODULE OVERVIEW, DUAL NX56/64 V.35 PLUG-ON BOARD OVERVIEW

61200142L1-1 Dual Nx56/64 Option Module User Manual 1-1
Chapter 1 Introduction
DUAL NX56/64 V.35 OPTION MODULE OVERVIEW
The Dual Nx56/64 V.35 option module is one of the op-
tion modules available for use with the following ADT-
RAN equipment:
• TSU 100e
• TSU 600e
• TSU 610
• TSU 120e
• TDU 120e
• ESU 120e
The Dual Nx56/64 V.35 option module installs in the op-
tion slot of the TSU/TDU/ESU family of products and
provides two additional synchronous V.35 interface
ports. When used in these products, this interface port al-
lows two additional DTEs to have access to the T1 service.
DUAL NX56/64 V.35 PLUG-ON BOARD OVERVIEW
The operations of the Dual Nx56/64 V.35 option module
described in this manual are also applicable for the Dual
Nx56/64 V.35 plug-on board. Operation of both is iden-
tical except for the physical installation.