HF2111 GPRS Serial Server User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
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Instruction
Description
UARTHEAD
Set/Query serial port head data
Network Instruction Set
SOCKA
Set/Query SOCK A network protocol parameters
TCPALK
Query if SOCK A TCP link already build-up;
SOCKANUM
Set/Query SOCK A send/receive data bytes.
SOCKB
Set/Query SOCK B network protocol parameters
TCPBLK
Query if SOCK B TCP link already build-up;
SOCKBNUM
Set/Query SOCK B send/receive data bytes.
SOCKC
Set/Query SOCK C network protocol parameters
TCPCLK
Query if SOCK C TCP link already build-up;
SOCKCNUM
Set/Query SOCK C send/receive data bytes.
WANN
Set/Query GPRS network status.
GETIP
Set/Query domain name IP address
HEART
Set/Query heartbeat parameters
LOGIN
Set/Query register data
MODBUSPROT
O
Set/Query Modbus RTU to Modbus TCP function
Upgrade Instruction Set
UPGRADE
Upgrade Firmware
GPRS Instruction Set
GSLQ
Query GPRS signal strength
GVER
Query GPRS chip software version
GCID
Query SIM card CID number
CIMI
Query SIM card IMSI
CGSN
Query device IMEI
GPRS Instruction Set
SCRIPTUART
Upgrade HIS script via UART
MOVESCRIPT
Delete HIS script
4.2.2.1.
AT+E
Function: Open/Close show back function;
Format:
Set Operation
AT+E=<status><CR>
+ok<CR><LF><CR><LF>
Parameters:
status: Echo status
on: Open echo
off: Close echo
When HF2111 product firstly switch from transparent transmission to configuration mode, show
back status is open, input “AT+E” to close show back function, input“AT+E” again to open show
back function, use AT+E=on/off command to direct set the echo status..
4.2.2.2.
AT+ENTM
Function: Set product into transparent transmition mode;
Format:
AT+ENTM<CR>
