4000 Router Series Interface Module Guide

Attribute Description

Operating modes

CE1

Supported services

Backup

Terminal access

Interface LEDs

SIC-2E1-F panel is shown in the following figure:

Figure 9 SIC-2E1-F panel

The status description for the LEDs is shown in the following table:

Table 13 Description for the LEDs on SIC-2E1-F panel

LED Descri

tion

LINK/ACT

• ON means carrier signal has been received.

• Flashing means data is being transmitted or received.

• OFF means no carrier signal has been received.

LP/AL

• ON means the interface is in a loopback.

• Flashing means an AIS, LFA, or RAI alarm signal is present.

• OFF means neither loopback nor alarm is present.

Note:

AIS = Alarm indication signal; LFA = loss of frame alignment; RAI = Remote alarm indication

Interface cables and the connection methods

For more information about E1 interface cables, see "E1 interface."

SIC-1EPRI

Introduction

1-port E1/CE1/PRI SIC interface module (SIC-1EPRI) supports:

• Transmission/Receiving and handling of E1 data streams

• CE1 (channelized E1) access

• ISDN PRI

• Remote loopback and local loopback functions, facilitating fault test and location

• Multiple purposes through different configurations

Interface attributes

The interface attributes of SIC-1EPRI are shown in the following table: