Mitel 3300 Technician's Handbook page 360

3300 ICP Technician's Handbook
Universal NSU LED States
Table 85: Universal NSU LED States
LED
LAN
MS (message
system)
ST (status)
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.
350
State
flashing
solid green
OFF
flashing
OFF
solid
right side - solid red
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
and L1
yellow alternating
between L0 and L1
Meaning
LAN activity
Message link open to the system
Message link not open to the
system; may be downloading when
L0 and L1 are "walking"
Operational; flashing at 0.5 sec
intervals
Not operational
Card is booting or not operating;
should be blinking at 0.5 sec
intervals
No Layer 1
No error
D-channel established (PRI)
Layer 1 established (T1, E1,
DPNSS)
Layer 1 established (PRI)
No link
Alarm indication from far end
Blue alarm from card - normal
during link startup (PRI NA or
response to yellow)
Downloading (15 - 25 minutes)
Decompressing and copying files
(2 - 4 minutes)