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3G Reachfar GPRS Protocol [3G [SG |
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tags:[3G [SG GPRS Protocol | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
All the data on this protocol are follow this format[Firm*device ID*Content-length*Content], and the mark of firm is fixed as two bytes, the content-length is fixed as four bytes ASSII code, the big number in front of the small number, example: FFFF means the length is 65535. Terminal send: [CS*YYYYYYYYYY*LEN*LK] Eg: [SG*8800000015*0002*LK] Platform reply: [CS*YYYYYYYYYY*LEN*LK] Eg: [SG*8800000015*0002*LK] Expain: Link keeps the data send every 3 minutes, if the terminal didn’t get any data reply, then you need to connect it again in 3 minutes. 2. Location data Reporting Terminal send: [CS*YYYYYYYYYY*LEN*UD,location(See appendix 1)] [SG*1000000015*0087*UD,220414,134652,A,22.571707,N,113.8613968,E,0.1,0.0, 100,7,60,90,1000,50,0000,4,1,460,0,9360,4082,131,9360,4092,148,9360,4091,143,9360,4153,141] Platform reply: /No Explain: the location and statues information has been reported as terminal set, it needn’t reply 3. Alarm data reporting Terminal send: [CS*YYYYYYYYYY*LEN*AL,location(See appendix 1)] Eg: [SG*1000000015*0087*AL,220414,134652,A,22.571707,N,113.8613968,E,0.1,0.0,100,7,60,90, 1000,50,0001,4,1,460,0,9360,4082,131,9360,4092,148,9360,4091,143,9360,4153,141,11] Platform reply: [CS*YYYYYYYYYY*LEN*AL] Eg:[SG*1000000015*0002*AL] Explain: When shock sensor was shocked,the terminal will send alarm information to platform,if the terminal didn’t get any reply, it will keep sending regularly until get the alarm confirmed reply.The first 1 means shock alarm, the second 1 means over speed alarm. 1 means touch off, 0 means doesn’t touch off.
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