Usr USR-GPRS232-701, User Manual

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GPRS DTU User Manual V1.3 http://en.usr.cn
Jinan USR IOT Technology Limited Page 26 of 31 tec@usr.cn
<CR><LF>+CIPMODE:1,0<CR><LF>OK<CR><LF>
2. Configure a TCP or UDP client link, and automatic reconnection( Only start one client
link in single link mode). All parameter will be kept in the module after running this
command. Note: Need configure APN account of GPRS, method as follows:
Send
AT+CIPSCONT=<mux>,<net_protocol>,<ip_address>,<ip_port><link_mode><CR><LF>
Return
<CR><LF>OK<CR><LF>
Note: <net_protocol>,<ip_address> is character string
<mux>: Single link mode, default 0
<net_protocol>: Network protocol type
<ip_address>: IP address
<ip_port>: Port
<link_mode>: Link mode
0:Don not need to keep long link
1: Specify whether it need reconnect to server, after the link idle specified time value
2: Send customized heartbeat packet and keep long link, after link in specified idle
time value
For example
AT+CIPSCONT=0,"TCP","182.32.112.178",7000,2 single link mode, network
protocol is TCP, IP is 182.32.112.178, port 7000, link mode is 2
6.4. Set Serial port parameter
1. Baud rate operation
a.
Inquiry
Send
AT+CIPR?<CR><LF>
Return
<CR><LF>+CIPR:<rate><CR><LF>OK<CR><LF>
b. Setting
Send
AT+CIPR=<rate><CR><LF>
Return
<CR><LF>OK<CR><LF>
Baud rate setting successfully. Then, work as per new baud rate.
<rate> Range of value: 110, 300, 600, 1200, 4800, 9600, 14400, 19200, 38400, 56000,
57600, 115200