X=1,enable TCP
X=2,enble UDP
8.5 Set Time Interval for Sending GPRS Packet
Command:
W<password>,014,XXXXX
Description:
XXXXX should be in five digitals and in unit of 10 seconds.
XXXXX =00000, to disable this function
XXXXX =00001~65535, time interval for sending GPRS packet and in unit of 10 seconds
Mark: 1. If sim1 card can’t connect to server platform by GPRS two times, it will change to sim2 card automatically
2. If can’t get gsm signal from one simcard for 3 minutes, the VT330 will choose another sim card network automatically
3. Change sim card network by sms command:
Command:
W<password>,023
e.g.: W000000,023
9. Installation
9.1 Install I/O Cable
The I/O cable includs power, negative/positive input and output.
PIN Number
Color
Description
1
2
Red
Black
DC IN (power input)
GND
3
White
Input 1, E.g. for connecting SOS button
4
Blue
Input 4, E.g., connecting to ACC to detect engine on/off status
5
Yellow
Output 1, E.g. for connecting Engine-cut relay
6
Black Output 2
9.1.1 Power/GND
Connect GND (-Black) and Power (+Red) wires to the battery of vehicle.
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