ISDN BRI Interface card Installation

This chapter introduces how to install single ISDN BRI S/T interface cardWIC-1B-S/T.

Introduction

Port specification

Port

cable of interface card

Instruction of DIP

Status LED

 

Introduction

WIC-1B-S/T interface card , which supports two 64K data channels ,can be used to connect ISDN.

Note WIC-1B-S/T interface card can be installed in slot2 of 1750/2620 router and in slot1 of 2621/2630/2650 routers. More information refers to the "Guide of 1750/2620/2621/2630/2650 Router Installation".

Port specification

Port specification

Description

Interface

RJ45

Cable

8-core cable

Interface standard

ITU I.430Q.921Q.931 standard

Port rate (bps)

64kbpsx2

Port

Number

Description

Name

1

2

3

sending anode

TX+

4

accepting anode

RX+

5

accepting cathode

RX-

6

sending cathode

TX-

7

8

 

Cable of interface card

Connect the NT1 and NT1WIC-1B-S/T interface card with the end-to-end RJ45 cable.

The end-to-end ISDN BRI RJ45 cable shows in the following picture:   

 

Instruction of DIP

 

TR

100Ωterminal impedance switch

 Configure TR ON in point-to- point communication.

Configure TR of ISDN port on both side of the bus to ON and all the other to OFF with bus communication mode. The default setting of the switch is ON.

 

 

Status LED

Name

Description

T/R

When lights, indicates the channel B is in use.

ACT

When lights, indicates the channel D is in use.