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GV65 Plus User Manual
TRACGV65PUM001
- 19 -
Table 10.
Definition of Device Status and LED
Note:
1 - GSM LED cannot be configured.
2 - GPS LED and PWR LED can be configured to turn off after a period of time by using the
configuration tool.
3 - Fast flashing is about 60 ms ON/780 ms OFF.
4 - Slow flashing is about 60 ms ON/1940 ms OFF.
It has 1-wire bus on GV65 Plus, which supports temperature sensors and iButton. The bus
includes 3 signals, namely, VDD-1W, DATA-1W and GND. VDD-1W is the power output
for 1-wire device, and DATA-1W is the data signal, with which GV65 Plus can get
information from 1-wire device.
The following diagrams show the recommended connection of 1-wire device.
LED
Device status
LED status
GSM
(note1)
Device is searching GSM network.
Fast flashing
(Note 3)
Device has registered to GSM network.
Slow flashing
(Note 4)
SIM card needs pin code to unlock.
ON
GPS
(note 2)
GPS chip is powered off.
OFF
GPS sends no data or data format error occurs.
Slow flashing
GPS chip is searching GPS info.
Fast flashing
GPS chip has gotten GPS info.
ON
PWR
(note 2)
No external power and internal battery voltage is
lower than 3.35V.
OFF
No external power and internal battery voltage is
below 3.5V.
Slow flashing
External power in and internal battery is charging. Fast flashing
External power in and internal battery is fully
charged.
ON
3.13.
1-wire Device Connection
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