User’s Manual of netMod Network Termination Unit
Indicators
There are six LEDs on the non-removable cover (see Figure 6), described in the table
below:
LED STATUS FUNCTION
Orange
netMod is powered by mains
M.P.
OFF
Absence of mains power
Continuously ON (green) Remote Power from ISDN Exchange. netMod is
powered by mains power.
OFF No Remote Power from ISDN Exchange
Flashing green (Fast) Upgraded software version has been downloaded.
netMod is powered by Mains power.
R.P (Remote
Power)
Flashing green (Slow) Upgraded software version has been downloaded.
netMod is powered by Remote Power only
(Emergency mode)
Continuously ON (green) The U-link is fully synchronised
LINK
OFF The U-link is not synchronised
Flashing green B channels are occupied (voice)
Flashing red B channels are occupied (data)
Flashing yellow B channels are occupied by a terminal connected on
the S-bus (ISDN telephone, ISDN external TA)
B1/B2
OFF B channels are not occupied
Continuously ON (green) The communication between the netMod and the PC
has been established
USB
Flashing (green) Data transfer is activated
Figure 6: netMod’s LEDs
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