Troubleshooting guide

Section 1, System Description - System Components
61186003L1-1D 1-11
DS3 TEST
Off
Solid Amber
Flashing Amber
No DS3 tests in progress
Locally-originated test
Remote-originated test
DS1 STAT
Off
Solid Green
Solid Red
Flashing Red
One-second Red
Alternating Red/Green
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
DS1 TEST
Off
Solid Amber
Flashing Amber
No DS1 tests in progress
Locally-originated test
Remote-originated test
Table 1-2. MX2820 M13 MUX LED Descriptions (Continued)
LED State Description