TOA Electronics EX-16 manual Fault in Exchange

5.1Fault in Exchange

*When the power supply unit or the CPU-16 is out of order, the same kind of fault will occur at all stations.

*When the LAU-16 is out of order, a fault will appear only at a particular station.

*If the exchange is out of order, the faulty unit must be searched out and replaced.

Fault	in exchange
Check	the power unit	Fault
(See 4.3.2)
Yes		No

Replace DSM-16

Replace CPU-16

Yes

Yes

No

Replace LAU-16

End

30