IE-GPR-LP040-03
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7.5. Dimensional drawing for a DIN rail mounting of
the modem with MP037
7.6. Description of the indicator LEDs
The green indicator LED
The reason
does not light
the modem isn‘t connected to a power supply
lights
the modem power supply is on, this is a correct
operation
switches off for a short time
(every cca 30s)
a checking signal, this is a correct operation
blinks
the modem is restarting (restart takes about 1
minute)
The yellow indicator LED The reason
does not light
a GSM part is switched off
blinks one time for a short
time every cca 3s
the modem is successfully connected via the
cellular network (GSM), i.e. the modem replies
for the SMS messages, GPRS isn‘t connected
blinks two times for a short
time every cca 3s
GPRS connection is active, i.e. it is possible to
communicate with the data logger remotely, the
modem replies for the SMS messages
blinks regularly
- the SIM card is not inserted
- a PIN code isn’t deactivated on the SIM card
- the GSM antenna isn’t mounted
- searching for the network is in progress
- login to the network is in progress