ADTRAN TSU LT Manuel d'utilisateur télécharger pdf (Page 16)

Chapter 1 Introduction TSU LT 220V User Manual

TSU LT 220V Features

• Easy configuration capabilities using simplistic menus displayed in a liquid crystal display (LCD)

window operated by a front panel keypad.

• Timing is selectable from the network, from the Nx56/64 DTE port, or internally.

• Variety of test patterns: all ones, all zeros, 511, 1:8.

• Extensive self-testing and monitoring ensures proper operation.

• Flexible channel allocation (any starting channel and alternate or contiguous).

TSU LT 220V Interfaces

The TSU LT 220V is equipped with four interfaces:

• Network DS1 interface per AT&T 62411

• Nx56/64 serial V.35

• Control input (EIA-232)/Chain port input

• Chain port output

TSU LT 220V BRIDGE/ROUTER APPLICATION

A bridge or router can be interfaced to the network by using the V.35 DTE interface. The bandwidth used is

programmable at Nx56 or Nx64 data rates for T1 or FT1 service. The bandwidth can be selected as

contiguous or alternate. Figure 1-3 shows a simple bridge application.

Figure 1-3. Simple Bridge Application on a T1 or an FT1 Circuit

PWR

ERR

ALM

TST

TSU LT

PWR

ERR

ALM

TST

RSRS

PWR

ERR

ALM

TST

TSU LT

PWR

ERR

ALM

TST

RSRS

TSU LT TSU LT

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 59 60

Pas de commentaire

ADTRAN TSU LT Manuel d'utilisateur Page 16