ULBOTech T373A User Manual page 10

T373A & T373B User Manual
2.5 Function Interface Definition
Description of function:
Index Description
1 OBD status indicator LED(Orange)
2 GPS status indicator LED(Green)
3 3G/WCDMA status indicator LED(Red)
4 Bluetooth status indicator LED(Blue or White)
5 GPS antenna(25mm*25mm)
6 Micro USIM card holder
7 Micro USB port
Definition of Device status LED:
LED Device Status
Module power off
Searching Cell network
3G/WCDMA
Registered to Cell network
(Red)
Connected to server
Sending 3G/GPRS data
Module power off
GPS Searching GPS info
(Green) 2D fixed
3D fixed
OBD unconnected
OBD
(Orange)
OBD connected
Power off
Bluetooth
(Blue/White)
Connected
1
2
3
4
5
6
7
LED Display
100ms ON, 6s OFF
1s ON, 1s OFF
500ms ON, 500ms OFF
100ms ON, 100ms OFF
Always ON
100ms ON, 6s OFF
1s ON, 1s OFF
500ms ON, 500ms OFF
100ms ON, 100ms OFF
OFF
Flashing
OFF
Always ON
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