4000 Router Series Interface Module Guide

Figure 17 SIC-1ADSL-I panel

The following table describes the LEDs on the SIC-1ADSL-I panels.

Table 29 LEDs on the SIC-1ADSL-I panel

LED Descri

tion

LINK

• OFF means no link is present;

• ON means a link is present.

ACT

• OFF means no data is being transmitted or received.

• Flashing means data is being received or/and transmitted.

Interface cables and the connection methods

For more information about ADSL interface cables and the connection methods, see

"ADSL/BS/FXS/FXO/AM/FCM interface."

ISDN BRI interface module

• SIC-1BS

SIC-1BS

Introduction

A 1-port ISDN BRI S/T interface module (SIC-1BS) mainly transmits and processes ISDN BRI S/T traffic

flows.

Both SIC-1BS has two working modes: dial-up and leased line.

Interface attributes

The following table describes the interface attributes of SIC-1BS/SIC-2BS and SIC-1BU/SIC-2BU.

Table 30 Interface attributes of SIC-1BS/SIC-2BS and SIC-1BU/SIC-2BU.

Attribute Description

Connector RJ-45

Number of connectors 1

Cable type Telephone cable with ferrite core

Interface standard

• ITU-T I.430

• Q.921

• Q.931

Working mode

• ISDN Dial-up

• ISDN leased line