Adtran MX410 User Manual
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
Ethernet, and alarm interfaces. See
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
occurred
ETHERNET
(1
-4)
Off
Link not established
Green
Link established
Green/Amber (Alternating)
Activity on the line