3300 Bri Nsu - Mitel 3300 ICP Technician's Handbook

3300 ICP Technician's Handbook – Release 3.2

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.
CEPT LED State
Status 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 dependent - normally Tx is grounded but that depends if the remote
Rx connection is grounded.
Meaning
CEPT link not established
Layer 1 established
Layer 2 established
Call in progress on the DPNSS link
Setting Notes
Up Off - ungrounded
Not required for RJ-45 connector
Up Off - ungrounded
Not required for RJ-45 connector
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