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Device description
2.4 PLB modem module
LED labeling
Meaning
Note: If all LEDs are flashing permanently at a frequency of 1 Hz, you are dealing with a configuration or device fault.
When updating the modem firmware, the power supply must not be switched off!
a)
Changing the DIP switch settings
b)
NOTICE
A modem firmware update can take up to two minutes.
The modem firmware is part of the Power Line Booster basic firmware. During system
startup, the PLB basic module checks the active firmware on the modem and, if necessary,
starts the update on the modem.
When updating the modem firmware, the power supply must not be switched off. An
interruption of the power supply may irreversibly destroy the modem.
You may only insert or remove the modem module from the PLB basic module when the
modem module is de-energized.
26
Color
State
Flashes
(approx.
8 Hz)
On
Description
Powerline data traffic
LED test for about 0.5 s during startup
Modem active, PL connection exists
Operating Instructions, 11/2019, A5E36203125A-AG
Power Line Booster
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