Mitel 50005070 Instruction Manual Page 252

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242
SX-200 ICP MX Technician’s Handbook
Table 45: NSU L0/L1 Status LEDs
LEDs
Meaning
Left Right
ON (Red) No Layer 1.
ON (Green) D-channel established (PRI). OR
Layer 1 established (T1).
Flashing
(Green)
ON
(Yellow)
Alarm indication from far end.
OFF ON
(Yellow)
Blue alarm from card (this is normal during link
startup; PRI NA or response to yellow).
Flashing
(Green)
Layer 1 established (PRI).
Flashing
(Green)
ON
(Yellow)
Alarm indication from far end.
Flashing (alternating
yellow and green)
Downloading (15-20 minutes).
Flashing (alternating
yellow)
Decompressing and copying files (2-4 minutes).
OFF No error.
OFF No Link.
Table 46: NSU FIM Status LEDs
Top LED Status
Meaning for Local, Upper
and Remote, Lower FIM
ON In frame synchronization.
Flashing Out of synchronization. OR
Tx and Rx cables reversed.
OFF Power off. OR
Held in reset.
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