User's Manual

SysOnChip
SOC LBS LOOK’ET User Manual
10
operate properly; A direct connection to the vehicle’s battery is
preferable. The 2A fuse in this cable is to protect the +12/24
volt input to the unit.
12 GND Wire to vehicle ground. Black
Table 1. Vehicle interface pin description table
1.3.2. USB interface
LOOK’ET supports USB 2.0 and mini-USB type connector.
1.3.3. RS232 interface
LOOK’ET supports RS232 to interface with external device like navigation..
Supported signal is RS232Tx,RS232Rx and GND. In normal LBS applications, It does not need to be connected.
1.3.4. External GPS antenna
LOOK’ET has internal GPS patch antenna in itself, but supports external GPS antenna.
1.3.5. External GSM/GPRS antenna
LOOK’ET has two types of GSM/GPRS antenna according to the supported bandwidth.