Mitel 3300 ICP Technician's Handbook page 160

3300 ICP Technician's Handbook – Release 3.2
Three status LEDs and 4 circuit LEDs are mounted on the PRI card
faceplate. Each of the card circuit LEDs shows the status of one
PRI circuit.
PRI Card Link Status
LED
MS (message
system)
ST (status)
L0 and L1
State
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
- 152 -
Meaning
message link open to the system
message link not open to the system
operational
not operational
card is booting
error
no error
D-channel established
Layer 1 established
no link
alarm indication from far end
blue alarm from card - normal during link
startup