User's Manual

GE864
GE864GE864
GE864-
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-QUAD V2 / GE864
QUAD V2 / GE864QUAD V2 / GE864
QUAD V2 / GE864-
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-DUAL V2 Hardware User Guide
DUAL V2 Hardware User GuideDUAL V2 Hardware User Guide
DUAL V2 Hardware User Guide
1vv0300875 Rev.1 – 2010-03-29
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved. Page 57 of 73
11.9. Indication of Network Service Availability
The STAT_LED pin status shows information on the network service availability and Call
status.
In the GE864-QUAD V2 / GE864-DUAL V2 modules, 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 st
LED stLED st
LED status
atusatus
atus Device
DeviceDevice
Device Status
StatusStatus
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: