User manual

Confidential, the whole present document is the sole property of Maestro Wireless Solution Ltd.
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8. TCP TERMINAL
Note:
To use this feature, we strongly suggest to get special GPRS service from your network
operator :
a. Network will assign a true public IP address to M100 upon GPRS activations, and
b. that GPRS connection allows incoming access from public Internet to Maestro
This feature lets Maestro 100 2G can be connected through TCP channel, and AT commands can be sent over this
channel. User can use Telnet type terminal service to “login” to M100 2G and control it by sending AT commands through
the telnet.
8.1. Description of the Operation
1. Uses AT+TCPTERM command to configure password port for the TCP terminal, and enable TCP terminal function.
2. After about 20 seconds M100 will connect to the Internet automatically. And then it will check the TCP port.
3. User from outside Internet can use Telnet application to connect the port of M100 TCP terminal. User need to know the
IP address of the M100. Or with the aid of Dynamic DNS (Chapter 7) user can use the hostname associated the M100
2G for connection.
4. Once connected user need to enter password. If password is correct user can send AT command to the M100 2G on
Telnet program.
8.2. AT command for TCP Terminal
8.2.1. AT+TCPTERM command
Command Syntax
AT+TCPTERM =<mode>[,<psswd>,<port>,<timeout>]
Response syntax:
OK
+TCPTERM =<stat>,<psswd>,<port>,<timeout>
Telnet Terminal