Troubleshoot The 3300 Bri Nsu; Troubleshoot The 3300 Universal Asu - Mitel 3300 ICP Hardware User's Manual

Troubleshoot the 3300 BRI NSU

One status LED and fifteen circuit LEDs are mounted on the faceplate. The status LED shows
the status of the CEPT link, and each of the circuit LEDs shows the status of one BRI circuit.
The BRI circuit LEDs are also used during card initialization to indicate the progress of the
self-test and to indicate that the download is in progress.
State
Off
Flashing at 1 Hz
Flashing at 4 Hz
On
3300 BRI NSU CEPT Port DIP Switch Manufacture Settings
DIP Switch Use
1 Tx Ground
2 Rx Ground
Note: Site dependant - normally Tx is grounded but that depends if the remote Rx connection is
grounded.

Troubleshoot the 3300 Universal ASU

LEDs are located on the front panel and indicate the status of the CIM circuit, ONS circuits, LS
circuits, and power.
Note: The Music on Hold and Paging Ports do not have an LED to show status
CIM LED State
Off
Flashing
On
The front panel has 16 LEDs representing the ONS line circuits.
LED State
Off
Steady On
Slow Flash
CEPT LED
Meaning
CEPT link not established
Layer 1 established
Layer 2 established
Call in progress on the DPNSS link
Setting
Up
Up
Copper Interface Module LED
Meaning
No Power
Powered On, BSP Running
Communication Link synchronized with 3300 Controller
ONS Circuit LEDs
Circuit State
Idle
Off Hook
Idle
Release 3.3
Notes
Off - ungrounded
Not required for RJ-45 connector
Off - ungrounded
Not required for RJ-45 connector
Meaning
NA
NA
Circuit is manual busy
Troubleshooting
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