westermo Merlin 4700 Series VDSL Cellular Router User Guide
3.5. LED Indicators
The LED indicators described in this section are all single colour LEDs. When the router is powered on, the
power LED is green.
The possible LED states are:
• Off
• Flashing slowly
• Flashing quickly
• On
LED
Status
Description
Booting up
The router takes less than a minute to boot up. During this time, the power LED
flashes.
Other LEDs display different diagnostic patterns during boot up. Booting is complete
when the power LED stops flashing and stays on steady.
Power
Config
SIM
On
Power is present
Off
No power. Boot loader does not exist.
Flashing
On
Booting
The router is running a valid configuration file.
The router is running in recovery mode (2.5 flashes/second)
The router is running in factory configuration (5 flashes/second)
SIM selected and registered on the 3G/4G network
Not selected or SIM not inserted
Flashing slowly
Flashing quickly
On
Off
Flashing
SYN
SIM selected and not registered on the network
Blinking: DSL link is synchronising; Solid On: DSL link is synchronised
Blinking: data is passing on the DSL link
DSL
DAT
3G/LTE cellular signal Both LEDs off
Data link not connected or signal strength <=-113 dBm
Data link connected and signal strength <=-89 dBm
strength LED
Left LED on
Right LED off
Left LED off
Data link connected and signal strength is between -89 to -69 dBm
Data link connected and signal strength >-69 dBm
Right LED on
Both LEDs on
Table 7. LED indicators
Merlin 4700 Series
13
| General | Details |
|---|---|
| Name | westermo Merlin 4700 Series VDSL Cellular Router User Guide |
| Make | westermo |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.83 MB |
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