This configuration guide describes the AT Command Set used with SerialComm’s ETH-SER-EE9 Serial Device Server (Ethernet to Serial Converter). Use of the AT Command Set requires an active and open virtual COM port accessing the ETH-SER-EE9.
The ETH-SER-EE9 can be configured by the serial port using the AT Command Set. The AT Command Set is a standard configuration interface that configures and displays the main functions of ETH-SER-EE9. It is an option to use the AT Command Set and is not necessary if configuring the Ethernet port with the VSP software management system and built in browser-based configuration tool. The AT Command Set is useful if you are using SCM (Software Configuration Management) or your own software to configure the ETH-SER-EE9. In order to use the AT Command Set it is necessary to have an established and working virtual COM port.
AT Commands are supported by the ETH-SER-EE9. They are case sensitive and always begin with "AT" and end with "\r\n" (Enter/Line Feed). Return values and the format of the parameter description are fixed. There are three types of AT Commands; Non-parameter Command, Query Command, and Parameter Command.
Non-parameter Command: This command type is the simplest type; no parameters are required. The format is AT+ Space+[command]\r\n. For example, the quit command is AT+Space+QUIT\r\n.
Query Command: This command type is used for querying the configuration command. The format is AT+Space+[command]?\r\n. For example, the name command is AT+NAME? \r\n.
Parameter Command: This is the most widely used format. It is used to enter configuration parameters. The format is AT+Space+[command]=,,..r\n. For example, the IP command is AT+IP=192.168.1.254r\n.
The following table shows the typical command errors and successful responses:
This table defines the supported AT Commands:
When using DEF command to default factory it must be used with the SAVE and RBT commands, otherwise DEF is ineffective.
First enter into AT command mode and enter the input password. After entering into AT command mode, it the password is incorrect, it will forbid quit and you will need to enter the password again. If there is no operation within 5 minutes, system will forbid user quit to AT command, and you will need to enter again. Between AT and the next AT command, there must be 1 space. AT commands are case sensitive.
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