User's Manual

GV50LTA Manage Tool User Guide
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Table 3: Description of 7 PIN Connections
Index
Description
Comment
1
RXD
UART RXD; TTL
2
TXD
UART TXD; TTL
3
VIN
External DC power input, 8-32V
4
IGN
Ignition input, positive trigger
5
OUT1/IN1
Digital output/ input; Open drain,150mA
max
6
OUT2
Open drain, 150mA max
7
GND
GND
2.3. LED Description
GV50LTA has two status LEDs which are CELL LED (Blue color) and GPS LED (Green color).
CELL
Device is searching CELL network.
Fast flashing
Device has registered to CELL network.
ON
Device is in low power mode.
Slow flashing
GPS
GPS is unfixed.
OFF
GPS is fixed.
ON
Device is in low power mode.
Slow flashing
Table 4: LED Description
Note:
1. Fast flashing is about 500ms ON / 1sec OFF.
2. Slow flashing is about 500ms ON / 15sec OFF.
2.4. Power Connection
VIN(PIN3)/GND (PIN7) are the power input pins. The input voltage range for this device is
from 8V to 32V. The device is designed to be installed in vehicles that operate on 12V/24V
vehicle without the need for external transformers.
Figure 3: Typical Power Connection
DC Power
GND
Queclink