What to do if the Circuit pack FAULT LED is flashing on Lucent Technologies DDM-2000 OC-3 Multiplexer?
If the Circuit pack FAULT LED is flashing on the Lucent Technologies Multiplexer, the issue is likely external to the DDM-2000. This may be due to a bad signal (LOS, LOF, BER, or LOP), failure of other equipment, or failure of fiber or cable. Log on to the network and continue diagnosis to resolve the problem.
What to do if the Circuit pack FAULT LED is ON on Lucent Technologies DDM-2000 OC-3?
If the Circuit pack FAULT LED is illuminated on the Lucent Technologies Multiplexer, this indicates a circuit pack failure. Reseat the circuit pack. If the fault persists, replace the circuit pack.
What to do if USER PANEL CR, MJ, or MN LED is ON on Lucent Technologies Multiplexer?
If the USER PANEL CR, MJ, or MN LED is ON on the Lucent Technologies Multiplexer, this indicates a Critical, Major, or Minor Alarm. Log on to the network and continue diagnosis to address the alarm.
How to fix USER PANEL PWR ON LED if it's OFF on Lucent Technologies Multiplexer?
If the USER PANEL PWR ON LED is OFF on the Lucent Technologies Multiplexer, it indicates a loss of power. Restore power to resolve the issue.
General| Category | Multiplexer |
|---|---|
| Manufacturer | Lucent Technologies |
| Model | DDM-2000 OC-3 |
| Management | SNMP, TL1 |
| Data Rate | 155.52 Mbps |
| Interfaces | OC-3, DS3, DS1 |
| Power Supply | AC/DC options |
| Applications | Telecommunications |
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