HF2111 GPRS Serial Server User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
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XXX. XXX. XXX. XXX: IP address
Waiting GPRS initialization
: waiting for initialization
4.2.2.24.
AT+GETIP
Function: Set/Query domain name IP address.
Format:
Set Operation
AT+GETIP=<domain_name><CR>
+ok<CR><LF><CR><LF>
Parameters:
domain_name: domain name.
4.2.2.25.
AT+HEART
Function: Set/Query heartbeat parameters. Setting is valid aft er reset. Support SMS
config.
Format:
Query Operation
AT+HEART<CR>
+ok=<beat_time, beat_datalen, beta_data><CR><LF><CR><LF>
Set Operation
AT+HEART=<beat_time, beat_datalen, beta_data><CR>
+ok<CR><LF><CR><LF>
Cancle Operation
AT+HEART=None<CR>
+ok<CR><LF><CR><LF>
Parameters:
beat_time: beat time, unit: second
beat_datalen:beat length
beat_data: beat data, 250 bytes maximum
4.2.2.26.
AT+UPGRADE
Function
：
Set device in UART upgrade mode
Format
：
Set Operation
AT+UPGRADE<CR>
<CR><LF><CR><LF>
After
input this command, the product fix baud rate at 115200 and output “Ready CCCCC…..”
waing for upgrade file. Recommend to use secureCRT and transfer file in Xmodem to finish
the upgrade operation.
4.2.2.27.
AT+GVER
Function: Query GPRS chip software version
Format:
Query Operation
AT+GVER<CR>
+ok=<ver><CR><LF><CR><LF>
Parameters:
ver: GPRS chip software version;
4.2.2.28.
AT+GCID
Function: Query SIM card CID number
Format:
