4000 Router Series Interface Module Guide

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Figure 115 FIC-2E1 panel

The following figure illustrates the FIC-4E1 panel.

Figure 116 FIC-4E1 panel

The following figure illustrates the FIC-4E1-F panel.

Figure 117 FIC-4E1-F panel

The following table describes the LEDs on the module panels.

Table 160 LEDs on the FIC-E1 and FIC-E1-F panels

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:

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."