User's Manual

GE864- QUAD Har dwar e User Guide
1vv0300872 Rev.1 2010-04-02
- All Rights Reserved. Page 61 of 77
12.10. Indication of Network Ser vice Availability
The STAT_LED pin status shows information on the networ k ser vice availability and
Call status.
In the GE864 modules, the STAT_LED usually needs an external transistor to drive an
external LED.
Ther efore, 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: