What to do if the Circuit pack FAULT LED is flashing on my Lucent DDM-2000 OC-3 Multiplexer?
If the Circuit pack FAULT LED is flashing, the issue is likely external to the Lucent Multiplexer. Possible causes include a bad signal (LOS, LOF, BER, or LOP), failure of other equipment, or failure of fiber or cable. Log on to the network to continue diagnosis.
What to do if the Circuit pack FAULT LED is ON on my Lucent DDM-2000 OC-3?
If the Circuit pack FAULT LED is lit, this indicates a circuit pack failure. Try reseating 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 my Lucent Multiplexer?
If the USER PANEL CR, MJ, or MN LED is ON, 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 OFF on Lucent Multiplexer?
If the USER PANEL PWR ON LED is OFF, this indicates a loss of power. Restore power to the Lucent Multiplexer.
General| Category | Multiplexer |
|---|---|
| Model | DDM-2000 OC-3 |
| Manufacturer | Lucent |
| Interface | OC-3 |
| Data Rate | 155.52 Mbps |
| Power Supply | AC or DC |
| Operating Temperature | 0 to 50 °C |
| Interfaces | DS1, DS3 |
| Storage Temperature | -40°C to 70°C |
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