NRI—Fault finding
274 NGT Transceiver System Technical Service Manual
Fast alternating
red/green
The lists stored on the device are being viewed on the handset.
When viewing is complete, the LED switches off for a period of
time before resuming the state it was before it displayed red/green.
The firmware download has been successful and the device is
verifying the status of other devices in the network.
Slow alternating
red/yellow
The LED indicates the progress of a firmware download. It
alternates colours on successive data packets received and at a rate
dependent on packet size and type of interface.
Table 7: Description of LEDs (cont.)
State of LED Description
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