Troubleshooting Analog Extensions - NEC Aspire S Manual

Section 3: Installing Extensions and Trunks

Troubleshooting Analog Extensions

Start
Verify the SLIU/SLIDB
PCB is functioning.
Is the Live Status
LED on the SLIU/
SLIDB PCB
flashing green?
Yes
Verify whether a
analog phone works.
Connect a test
telephone to a port
using another
modular jack. Does
the phone work?
No
Verify the wiring
between the cabinet and
the analog telephone.
Connect the phone
directly to the connector
on the SLIU/SLIDB. Does
it work?
No
Connect another
telephone to the same
port on the SLIU/
SLIDB. Does it work?
Yes
The telephone may
need repair.
3-18 ◆ Section 3: Installing Extensions and Trunks
Move the Run/Block
switch on the PCB to
the RUN position.
Yes
Is the Live
Status LED
No
solid green?
No
Main equipment
(cabinet/CPU) may
need repair.
Redo the wires between
the main equipment and
Yes
the modular jack.
* If it still does not work,
replace the cable(s) and/
or connectors.
Redo the wires between
the main equipment and
Yes
the telephone.
Check system
programming for the
extension. Refer to the
No
Aspire Software
Manual if necessary.
Main equipment
(cabinet/CPU) may
need repair.
No
Remove the PCB and
insert another SLIU/
No
SLIDB PCB into the
same slot. Does it work?
Yes
The SLIU/SLIDB PCB
may need repair.
* If it still does not work,
replace the cable(s) and/
or connectors.
Connect the
phone directly to
the connector on
the SLIU/SLIDB.
Does it work?
No
The SLIU/SLIDB PCB
may need repair.
Aspire S Hardware Manual
Yes
Stop