
Chapter 1. Introduction
TSU Option Modules
Some of the option modules available for the TSU 120 are:
Name | Description |
|
|
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 |
| Switched 56. |
|
|
DSU DP | Provides two sync or async ports |
| (232 or V.35). |
|
|
Dial Backup | Allows data backup upon network |
| T1 failure. |
|
|
| 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. |
|
|
TSU 120 User Manual |