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Led indicators, Led indicators -10, Table 4-7 – ADTRAN MX410 User Manual

Page 48: Led indication -10

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Front Panel

MX410/MX412 System Manual

4-10 PRELIMINARY

61189500L1-1B

LED Indicators

The LEDs on the front panel of the MX410/MX412 indicate the status of the power, DS1,
Ethernet, and alarm interfaces. See

Table 4-7

for a listing of the LEDs and their indications.

Table 4-7. LED Indication

Label

Status

Description

ACT

Green

Normal operation

Green/Amber (Alternating)

Normal operation and console session is open

Amber

Software transfer in progress

Red/Amber (Alternating)

Self-test failed and console session is open

Red

Self-test failed

Flashing Red

Unit failure

ALM

Green

No critical, major, or minor alarms

Amber

Active acknowledged non-critical alarm

Flashing Amber

Active acknowledged critical alarm

Red

Major or minor alarm in progress

Flashing Red

Critical alarm in progress

PSU (A/B)

(MX410 only)

Green

Normal operation

Red

PSU failure

DS1

(1

-4)

MX410

(1

-12)

MX412

Off

Port disabled

Green

Enabled and normal operation

Amber

Locally originated test in progress

Flashing Amber

Remotely originated test in progress

Red

Non-critical DS1 alarm in progress (for example, AIS)

Flashing Red

DS1 LOS (critical DS1 alarm; non-critical system alarm)

1 Second Flashing Red

Single code violation or burst of code violations just
occurred

ETHERNET

(1

-4)

Off

Link not established

Green

Link established

Green/Amber (Alternating)

Activity on the line