General Measure GMT-H1, Руководство по эксплуатации

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Chapter 10 GPRS communication
8.1 GPRS Communication Parameters
Destination
IP address
The IP address of the server for communication;Initial value:
192.168.101.246
Destination
port number
The IP port number of the server for communication;Initial
value: 502
Heart rate
The heartbeat packet frequency connected to the server
during communication;Initial value: 30s.Scope: 0-3600 - s
GPRS
communicat
ion switch
Whether to enable GPRS communication or reactivate
it;Initial value: off;
IMEI query
The IMEI and IMSI information of the GPRS chip cannot be
modified
GPRS
current
status
View the current GPRS status
8.2 GPRS data frame structure description
The data
format
Dat
a
fra
me
hea
der
1
Data
frame
header
2
Data
frame
length 1
Data
frame
length 2
The
comma
nd code
The
data
conten
t
termin
ator
The
sender
0xFE 0xFE
2 bytes, 6+ number
of bytes of data
content
0x01-0x
7F
See
specifi
c
agree
ment
0xED
The
respons
e end
0xF
E
0xFE
2 bytes, 6+ number
of bytes of data
content
0 x80 |
comma
nd code
See
specifi
c
agree
ment
0xED