Bri Nsu - Mitel 3300 Technician's Handbook

3300 ICP Technician's Handbook
Table 87: R2 NSU LED States (continued)
LED
L0 and L1
(on front and rear)
Note: When the LEDs are alternating, NSU is powering up. Do NOT interrupt or
you might corrupt the card software.

BRI NSU

352
State
right side - solid red Error (no physical layer is present
right side - OFF
left side - solid
green
left side - flashing
green
left side - OFF
right side - yellow
with left side -
flashing green
right side - yellow
with left side - OFF
yellow and green
alternating between
L0 / L1
yellow alternating
between L0 and L1
Figure 155: BRI NSU LEDs
Meaning
or network/line side jumper is not
set correctly)
No error
AB signaling established
Layer 1 established
No link
Alarm indication from far end
Blue alarm from card - normal
during link startup
Downloading (15 - 25 minutes)
Decompressing and copying files
(2 - 4 minutes)
Page 2 of 2