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Mounting recommendations 

Connecting the device to the vehicle: 

 

  Find OBDII connector in your 

 

 

 

                   Most common AIT 251 connector locations. 

 
 

 

  LED indications 

 

Navigation LED indications 

Behaviour 

Meaning 

Permanently switched on  

GNSS signal is not received  

Blinking every second  

Normal mode, GNSS is working  

Off  

GNSS is turned off because: Device is not working or Device 
is in sleep mode  

Blinking fast constantly  

Device firmware is being flashed  

 

 

Status LED indications 

Behaviour 

Meaning 

Blinking every second  

Normal mode  

Blinking every two seconds  

Sleep mode  

Blinking fast for a short time  

Modem activity  

Off  

Device is not working or Device is in boot mode  

 

 

 

  Characteristics

 

      Basic characteristics 
 

Module  

Name  

AIT 251 

Technology  

GSM, GPRS, GNSS, BLUETOOTH  

 
 

Summary of Contents for Amber Insight T251

Page 1: ......

Page 2: ...AIT251 socket pinout Pin number Pin name Description 2 PWM_BUS VPW 4 GND Ground 5 GND Ground 6 CAN_H CAN high 7 K Line 10 PWM_BUS 14 CAN_L Ground pin 10 30 V DC 15 L Line CAN low 16 VCC 12 30 V DC Po...

Page 3: ...as shown with PIN request disabled or read our Wiki how to enter it later in amber Configurator Make sure that Nano SIM card is fitted properly into the holder 3 Connect the battery as shown in the f...

Page 4: ...rmal mode GNSS is working Off GNSS is turned off because Device is not working or Device is in sleep mode Blinking fast constantly Device firmware is being flashed Status LED indications Behaviour Mea...

Page 5: ...no load Bluetooth Specification 4 0 LE Supported peripherals Temperature and Humidity sensor Headset OBDII dongle Inateck Barcode Scanner Universal BLE sensors support OBD INTERFACE Data K Line CAN Bu...

Page 6: ...tions carefully and follow them strictly before operating the device The device uses SELV limited power source The nominal voltage is 12 V DC The allowed voltage range is 12 30 V DC To avoid mechanica...

Page 7: ...ual before your start using the device Full User s Manual version can be found in our Wiki This sign on the package means that all used electronic and electric equipment should not be mixed with gener...

Page 8: ...aining and experience Any other use renders the limited warranties expressed herein and all implied warranties null and void and same are hereby excluded also excluded from this limited warranty are a...

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