EPX400-xC – Manual
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11.7.
SIM CARD ERROR
In case of SIM card problems, device states this with ERROR LED (red) and OK LED
(green).
LED diode
Signalling
OK
(Green)
ERROR
(Red)
11.8.
SYSTEM ERROR
Errors may occure during device operation. An error is indicated by a permanent
lighting of red LED. In most cases it means a communication problem with the
modem or SIM card.
DTMF ERR OK STATUS
Содержание EPX400-5C
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