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SIGNALS
LED
GSM signal indicator LED (GREEN)
No signal.
Low signal level.
Medium signal level.
Good signal level.
High signal level.
Device status indicator LED (RED)
Upon switch on, it indicates GSM network login in progress; if it keeps
blinking, it may indicate that the GSM500 M2M has not been correctly
registered with the network, the SIM card is protected by the PIN code or
other problems.
It indicates the GSM500 M2M is correctly registered to the network.
Summary of Contents for GSM500 M2M
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Page 4: ...EU DECLARATION OF CONFORMITY 25...
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