ADTRAN MX2820 System Manual page 45

Table 1-2. MX2820 M13 MUX LED Descriptions (Continued)
LED State
Off
DS3 TEST
Solid Amber
Flashing Amber
Off
DS1 STAT
Solid Green
Solid Red
Flashing Red
One-second Red
Alternating Red/Green
Off
DS1 TEST
Solid Amber
Flashing Amber
61186003L1-1D
Section 1, System Description - System Components
Description
No DS3 tests in progress
Locally-originated test
Remote-originated test
All DS1s are disabled
Enabled DS1s normal (all okay)
Non-critical DS1 alarm in progress
DS1 LOS on some enabled line (critical DS1 alarm; non-
critical
system alarm)
Single code violation or burst of code violations just
occurred in some RX DS1
DS1 XCV threshold exceeded
No DS1 tests in progress
Locally-originated test
Remote-originated test
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