Mitel Navigator 3300 ICP, Hardware User'S Manual, Page: 248 / 266

3300 ICP Hardware User Guide
240 Release 3.3
Troubleshoot the 3300 R2 NSU
To access the 3300 R2 NSU maintenance window:
1. Connect the modem or the straight-through cable to the 3300 R2 NSU.
2. For terminal emulation (dumb terminal), do the following:
- Run a communications package (for example, ProComm Plus ©)
- Ensure that the settings are 8 bits, no parity, 1 stop bit, 38400 baud rate.
Flashing Out of synchronization or Tx and Rx cables reversed
Note: When a remote MFC Status LED is off, go to the FIM and check its local FIM Status LED. If it
is on then the fiber optic cable may be faulty.
R2 NSU Link Status
LED State Meaning
LAN flashing LAN activity
MS (message system) solid green message link open to the system
off message link not open to the system
ST (status)
flashing operational
off not operational
solid card in booting
L0 and L1 right side - solid red error (no physical layer is present or
network/line side (NT/LT) jumper is
not set correctly)
right side - off no error
left side - solid green AB signaling established
left side - flashing green Layer 1 established
left side - off no link
right side - yellow
with left side - flashing green alarm indication from far end
right side - yellow with left side -
off blue alarm from card - normal during
link startup
Yellow and green alternating
between L0 and L1 downloading (15 - 25 minutes)
Yellow alternating between L0
and L1 decompressing copying files (2 - 4
minutes)
Copper Interface Module LEDs
CIM LED State Meaning
Off No Power
Flashing Powered On, BSP Running
On Communication Link synchronized with 3300 Controller
Fiber Interface Module LEDs