User's Manual

GE/GC864-QUAD V2 and GE864-GPS Hardware User Guide
1vv0300915 Rev.2 – 2011-06-15
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Reserved. Page 77 of 97
11.9. Indication of Network Service Availability
The STAT_LED pin status shows information on the network
service availability and Call status.
In the GE/GC864-QUAD V2 and GE864-GPSmodules, the STAT_LED
usually needs an external transistor to drive an external LED.
Therefore, the status indicated in the following table is
reversed with respect to the pin status.
LED status
Device
Status
Permanently off Device off
Fast blinking
(Period 1s, Ton
0,5s)
Net search / Not
registered / turning
off
Slow blinking
(Period 3s, Ton
0,3s)
Registered full
service
Permanently on a call is active
A schematic example could be: