Specifications

MX410/MX412 System Manual
4-10 61189500L1-1F
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 Indications
Label Status Description
ACT
z
z/z
z
z/z
z
2
Green
Green/Amber (Alternating)
Amber
Red/Amber (Alternating)
Red
Flashing Red
Normal operation
Normal operation and console session is open
Software transfer in progress
Self-test failed and console session is open
Self-test failed
Unit failure
ALM
z
z
2
z
2
Green
Amber
Flashing Amber
Red
Flashing Red
No critical, major, or minor alarms
Active acknowledged non-critical alarm
Active acknowledged critical alarm
Major or minor alarm in progress
Critical alarm in progress
PSU (A/B)
(MX410 only)
z
z
Green
Red
Normal operation
PSU failure
DS1
(1-4) MX410
(1-12) MX412
{
z
z
2
z
2
2
Off
Green
Amber
Flashing Amber
Red
Flashing Red
1 Second Flashing Red
Port disabled
Enabled and normal operation
Locally originated test in progress
Remotely originated test in progress
Non-critical DS1 alarm in progress (for example,
AIS)
DS1 LOS (critical DS1 alarm; non-critical system
alarm)
Single code violation or burst of code violations
just occurred
ETHERNET
(1-4)
{
z
z/z
Off
Green
Green/Amber (Alternating)
Link not established
Link established
Activity on the line