4000 Router Series Interface Module Guide

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Table 151 Interface attributes of the FIC-1AT3

Attribute FIC-1AT3

Connector SMB

Number of connectors 2

Interface standard G.703, G.704, G.823

Interface rate 44.736 Mbps

Interface cable E3/T3 cable (75-ohm coaxial cables)

Supported services ATM Traffic CBR, rt_VBR, nrt_VBR, UBR

Interface LEDs

The following figure illustrates the FIC-1AT3 panel:

Figure 111 FIC-1AT3 panel

The following table describes the LEDs on the FIC-1AT3 panel.

Table 152 LEDs on the FIC-1AT3 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 T3 interface cables and the connection methods, see "E3/T3 interface."

FIC-1ATM-OC3

Introduction

FIC-1ATM-OC3 is short for 1-port ATM 155 Mbps optical interface module.

FIC-1ATM-OC3 provides the following functions:

• Two frame formats: SDH STM-1 and SONET OC-3.

• Scrambling in data transmission.

• Line clock (when working as DTE interface), and internal clock (when working as DCE interface)

• Three test measures: local cell loopback, local payload loopback and remote loopback.

Interface attributes

The following table describes the interface attributes of the ATM modules.