4000 Router Series Interface Module Guide

105

Table 153 Interface attributes of the ATM modules

Attribute Descri

tion

Number of

interfaces

Connector type SFP/LC

Interface

standard

SONET OC-3/SDH STM-1

Operating mode

1000 Mbps

Full-duplex

Interface LEDs

The FIC-1ATM-OC3 interface attributes are as follows. For more information about the attributes of the

optional SFP transceiver modules, see "100-Mbps SFP transceiver module."

The following figure illustrates the FIC-1ATM-OC3 panel.

Figure 112 FIC-1ATM-OC3 panel

The following table describes the LEDs on the FIC-1ATM-OC3 panel.

Table 154 Description for the LEDs on the FIC-1ATM-OC3 panel

LED Descri

tion

LINK/ACT

• ON means carrier signal has been received.

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

• 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 no loopback or alarm is present.

Note:

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

Fiber ports, optical fibers, and the connection method

For more information about fiber ports, optical fibers, and the connection methods, see "Fiber port."

POS (SDH/SONET) interface module

• FIC-1POS