
GE/GC864-QUAD V2 and GE864-GPS Hardware User Guide
1vv0300915 Rev.5 – 2011-10-03
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved.
Page 72 of 94
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: