Technical Product Manual - DCT1900

Maintenance, Fault Finding Procedures

GENERAL ALARM

System Manager -

Control - Service

Fault 8, 35, 36,

37, or 41?

Yes

Fault 8?

No

No

Yes

Replace indicated board

Check availability of indicated Base Station in System Manager - Control -

System

 

 

 

 

 

 

 

Connection between

Base Station

 

 

 

the indicated CLU/

 

Yes

 

SLU and Base

available?

 

 

 

 

 

Station has been

 

 

 

 

 

 

 

 

 

 

 

 

 

 

broken for a short

 

 

 

 

 

 

 

time

 

No

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

Fault 35?

No

Fault 36?

No

B

 

 

 

Check availability

 

 

 

 

 

 

 

 

 

Connection between

 

 

 

of indicated DTU

 

 

BC and L1

 

 

 

the indicated DTU

Yes

 

 

board in System

 

 

and L2 of DTU

 

Yes

 

and Mobility Server/

 

 

 

 

 

 

 

Manager - Control -

 

 

available?

 

 

 

PBX has been

 

 

 

 

 

 

 

System

 

 

 

 

 

 

 

 

 

broken for a short

 

 

 

 

 

 

 

 

 

 

 

 

 

time

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check the DTU to

 

 

 

 

 

 

 

 

 

 

MS/PBX/Centrex

 

 

 

 

 

 

 

 

 

 

Cabling.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Error in Mobility

 

 

 

 

 

 

 

Server/PBX

Cabling

 

 

 

DTU cabling to Mobility

Yes

 

No

 

 

Digital Trunk

correct?

 

 

Server/PBX

 

 

 

 

 

 

 

 

 

 

controller

 

 

 

 

 

Yes

yDTU

yError in Mobility Server

yPBX

Maint-DCT1900/R8/mw

6-3

© 2000-2005

 

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Nortel Networks DCT1900 manual System Manager Control Service