Troubleshooting - Mitel 3300 ICP Hardware User's Manual

Green – On
Orange – Off
Green – Off
Orange – On
Green – On
Orange – On
Green – Blinking
Orange – Off
Green – Off
Orange – Blinking
AC LED State
Off
On
Green Blinking
(Port's Green LED on)
Green Blinking
(Port's Green LED off)
Alarm LED State
Off
On
Blinking

Troubleshooting

This section provides a symptom and resolution sequence in order to assist in troubleshooting
minor operating problems.
If you encounter problems
• Ensure power is applied to the 3300 In-Line Power Unit
• Ensure a "crossover" type Ethernet cable is not used
• Ensure input Ethernet cable is connected to the Data In port
• Ensure output Ethernet cable is connected to the Data & Power Out port
• Ensure input and output cable pairs are attached to corresponding ports.
Power Status Indications
Active load is plugged in and complies
to normal load conditions
Overload conditions or shorted
terminal port or forced external voltage
feed (constant DC) into the port
Internal Hardware Fault
Transitional mode in which Load
detection is in process or discharged
capacitor in the PDTE
Total aggregate power exceeds
pre-defined power budget
Main Power Status Indications - AC LED (Green)
Main Power Status
Main internal power supply unit is
unplugged or faulty
Main power supply unit is plugged &
under normal operating conditions
Main power supply unit voltage
exceeds specified limits
Main power supply unit voltage
exceeds specified limits
Unit Status Indications - Alarm LED (Orange)
Meaning
Built-in Self Test passed
Built-in Self Test failed
S/W load failure. Reinstall S/W.
Release 3.3
Troubleshooting
Continuous nominal DC voltage is
present on the spare pairs.
Power to the port is disconnected.
No DC voltage is present on the
spare pairs.
No DC voltage is present over the
wires
Power is disconnected.
No DC voltage is present over the
wires
Power is disconnected the blinking
port.
Meaning
Main voltage is under 12v
Main voltage is 42v to 57v
Main voltage is 38v to 42v or
57v to 59v Port's power
enabled
Main voltage is under 38v or
above 57v Port's power
disabled
243