Mitel 50005070 Instruction Manual Page 251

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  • TROUBLESHOOTING
  • BOOKMARKS
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241
Basic Troubleshooting and Repair
NSU LEDs
Figure 24: NSU LEDs
Table 44: NSU Ethernet Port (LAN) Status LEDs
LED Status Color Meaning
LAN Flashing LAN activity.
MS
(Message
Status)
ON Green Message link open to the system.
OFF Message link not open to the system.
OR
With L0/L1 LEDs marching:
downloading.
ST (Status) ON Card is booting. OR
Card is not operating.
Flashing Operational (flashes in 0.5 seconds
intervals).
OFF Not operational.
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