Troubleshooting Analog Extensions - NEC ux5000 Hardware Manual

3.14.1.2 Troubleshooting Analog Extensions

Start
Verify the SLIU/SLIDB
blade is functioning.
Is the Live Status
LED on the SLIU/
SLIDB blade
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 chassis and
the analog telephone.
Verify the connection
to the EXIFU if two
chassis are used.
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.
Chapter 3
If the Busy LED (red) is also
on, the blade is initializing. Wait
until LED status changes and recheck.
On
Is the Live
Status LED solid
No
green, flashing
or off?
Flashing
Main equipment
(chassis/CCPU) 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
No
the UX5000 Software
Manual if necessary.
Figure 3-15: Analog Extension Troubleshooting
Chapter 3 - Installing Extensions and Trunks
In Program 90-05, release the
Block on the blade and
Off
recheck the terminal operation.
Yes
Stop
Remove the blade and
insert another SLIU/SLIDB
blade into the same slot.
No
Main equipment
The SLIU/SLIDB blade
(chassis/CCPU) 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?
The SLIU/SLIDB blade
may need repair.
Does the terminal
work?
No
Does it work?
Yes
may need repair.
Yes
No
Stop
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