User's Manual

GE864
GE864GE864
GE864-
--
-QUAD Automotive V2 Hardware User Guide
QUAD Automotive V2 Hardware User GuideQUAD Automotive V2 Hardware User Guide
QUAD Automotive V2 Hardware User Guide
1vv0300840 Rev.3 2010-04-08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 52 of 71
A sample interface scheme is included below to give you an idea of how to interface a
Buzzer to the GPIO7:
NOTE:
NOTE: NOTE:
NOTE:
To correctly drive a buzzer a driver must be provided, its characteristics depend on the
Buzzer and for them refer to your buzzer vendor.
11.8.
11.8.11.8.
11.8. Indication of network service availability
Indication of network service availabilityIndication of network service availability
Indication of network service availability
The STAT_LED pin status shows information on the network service availability and
Call status.
In the GE864-QUAD Automotive 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 status
LED statusLED status
LED status 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