OmniAccess 740 Overview

4-port T1E1 Line Card LEDs

The LEDs on the 4-port T1E1 line card indicate Active or Fault condition; T1 mode, E1 Balanced (E1B) mode, and E1 Unbalanced (E1U) mode. The 4x4 LEDs on the front of the card indicate Local Alarm, Remote Alarm, Carrier Detect, and Loopback for the 4 ports.

The following tables describe the status of LEDs on the 4-port T1E1 line card.

Table 7: T1E1 Card LEDs

LED

Status

Description

 

 

 

Active

Green

4-port T1E1 line card is active.

 

 

 

 

Yellow

Indicates transient conditions (e.g.,

 

 

booting).

 

 

 

Fault

Red

Reload in progress.

 

 

 

Table 8: T1E1 Port LEDs

 

 

 

 

LED

Status

Description

 

 

 

Local Alarm (LA)

On

Indicates either Red or Yellow alarm

 

 

present or Transmitting Blue/AIS alarm.

 

 

 

 

Off

Indicates neither Red nor Yellow alarm

 

 

is present and transmitter also not

 

 

transmitting AIS/Blue Alarm.

 

 

 

Remote Alarm (RA)

On

Remote System is transmitting Blue/

 

 

AIS alarm.

 

 

 

 

Off

Remote system is not transmitting any

 

 

alarm.

 

 

 

Carrier Detect (CD)

On

Carrier detected (cable plugged in).

 

 

 

 

Off

Carrier not detected (cable plugged

 

 

out).

 

 

 

Loopback (LB)

On

Indicates port is in any of the local or

 

 

network Loopback mode.

 

 

 

 

Off

Port is not in Loopback mode.

 

 

 

Note: You will see LED activity only when the port is administratively up.

Alcatel-Lucent

16

OmniAccess 740 Hardware User’s Guide

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Image 24
Alcatel-Lucent 740 manual Port T1E1 Line Card LEDs, T1E1 Card LEDs, T1E1 Port LEDs

740 specifications

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