NEC Univerge sv8500 Manual page 608

A
4. Go to the Speech Test. Are Call Originations and Incoming Calls between terminals processing normally? Is speech quality okay?
NO
When Call Originating and Incoming Calls are not normal.
Confirm the system message of MGC.
Is MG connected to PSTN physically?
YES
Is MC connected to analog terminal/fax physically?
Test the continuity in the line cable.
Confirm the data of MGC and MCMG.
Confirm the contract status of analog line.
OPERATION Lamp does not flash or light.
All the channels are vacant. Confirm the office data setting.
OPERATION Lamp flashes.
Flash slowly: Initialization has not completed. Confirm the office data setting.
Flash rapidly: Assigned to Make-Busy. Confirm the office data setting.
OPERATION Lamp lights.
TEL0-3 or LINE 0/1 is used.
Note 1: If the lamp is lighting when the LINE is not in use, check the line cable.
Note 2: If the lamp goes off when disconnecting the line cable (after approximately 3 seconds), check the following.
END
[2] Alarm Information Check
• Check the Alarm Lamps. If the red lamp lights, search for the cause of fault and perform the appropriate
operations.
• Check the system message.
1. Display the system message using DFTD command.
2. See the system message and confirm whether MCMG error occurs or not. If some error has occurred,
perform the fault repair. ([33-R IP PKG Warning], [33-S IP PKG Failure], [33-T IP PKG Restore])
[3] PFT Switching Test
The test procedure of PFT function change is described below. PFT function is described in Power Failure
Transfer (PFT) of this section.
PFT function connects the following ports.
- Confirm the line cable between MDF and MCMG.
Note 1 Note 2
- Make sure that the cable is 'Straight-through Cable'.
- Make sure that the polarity of the line is not reversed.
VOL.2-355
MCMG [SCA-4LC2COTA/MG-4LC2COTA]