Mitel 3300 Technician's Handbook page 361

NSU Card Status
Table 86: Message Link Controlled (Card Status)
LED
Green Yellow
ON —
— ON
— —
ON ON
ON —
— ON
ON ON
OFF OFF
R2 NSU LED States
LED
LAN
MS
(message system)
ST (status)
Red
— No error.
— Out of service.
ON Error (not necessarily total failure).
— Out of service (may occur at power up).
ON Fault detected.
ON Out of service (appears at power up).
ON Appears at power up before the NSU is fully
operational.
OFF Fully operational.
Table 87: R2 NSU LED States
State
flashing
solid green
OFF
flashing
OFF
solid
Meaning
Meaning
LAN activity
Message link open to the system
Message link not open to the
system
Operational
Not operational
Card is booting
Status LEDs
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