Tsu option modules – ADTRAN 1202076L2 User Manual
Page 23
Chapter 1. Introduction
61202076L1-1
TSU 600 User Manual
1-3
TSU Option Modules
Module Name
Description
DSX1
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. This
module includes a long haul DS1 interface. It
can also 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 sin-
gle or dual versions.
NxIQ
Frame-relay aware device that provides
detailed information regarding the health
and performance of the frame relay circuit.
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 for backup of data upon network T1
failure.
U-BR1TE
Allows ISDN lines to be extended over a T1
line.