NEC SV8500, Manual

Page: 1090 / 3438

VOL.2-837
MG(BRI) [SCA-2BRIA/MG-2BRIA]
• Check the system message of the Telephony Server.
• Check the MG(BRI) is physically connected to ISDN network.
Also confirm the line cable between;
- MDF and MG(BRI)
- MDF and DSU
• Check the data assignment of the Telephony Server side and MG(BRI) side.
Telephony Server: Is the data assignment on each PCPro command correct?
MG(BRI): Check the configuration data assigned from the maintenance console.
[Lights green]
Go on to STEP 5.
STEP 5: Speech test through MG(BRI). Call origination/termination OK?
[Call origination/termination does not operate normally]
• Check the system message of the Telephony Server.
• Check the MG(BRI) is physically connected to ISDN network.
Also confirm the line cable between:
- MDF and MG(BRI)
- MDF and DSU
• Check that the cable is not damaged. (Test the continuity in the LAN cable.)
• Check the data assignment of the Telephony Server side and MG(BRI) side.
Telephony server: Is the data assignment on each PCPro command correct?
MG(BRI): Check the configuration data assigned from the maintenance console.
• Check the contract status of the ISDN line.
[B lamp of LINE0/1 does not light]
• Indicates that all channels are in idle state, check the office data assignment.
[B lamp of LINE0/1 flashes]
• Flashes slow: Either of the channels is set to make-busy, and the other is in idle state. Check the
office data assignment.
• Flashes fast: B1 and B2 channels are both in make-busy state. Check the office data assignment.