Sollae Systems EZL-300W Lite User Manual Download Page 30 | Manualshive

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5.2.

ATC (AT Command)

In ATC mode, the user can control the ezTCP in a similar way to controlling the modem
using AT command. In ATC mode, only a TCP connection is possible and both the
server and the client can be configured.
In ATC mode, the AT command allows the user to set environment variables including
the IP address and control TCP connection and disconnection.

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Summary of Contents for EZL-300W Lite

Page 1: ...EZL 300W Lite User s Manual Version 1 0 Sollae Systems Co Ltd...

Page 2: ...onfiguring the Wireless LAN 10 2 1 3 Connecting to the Network 10 2 1 4 Setting Environment Variables 11 2 2 Test Operation 11 2 2 1 Changing the IP Address of the PC 11 2 2 2 Installing the AP 11 2 2...

Page 3: ...ial Configuration Mode and ISP Mode 26 4 2 1 Serial Configuration Mode 26 4 2 2 ISP Mode 26 4 3 Normal Communication Mode 26 5 NORMAL COMMUNICATION MODES 28 5 1 T2S TCP to Serial 28 5 2 ATC AT Command...

Page 4: ...assive Connection 39 6 7 Example of Termination 39 6 7 1 Example of Active Termination 39 6 7 2 Example of Passive Termination 40 7 TECHNICAL SUPPORT WARRANTY AND NOTES ON OPERATION 41 7 1 Technical S...

Page 5: ...rial port and send the processed data to the Internet Similarly the ezTCP series perform TCP IP protocol processing on data received from the Internet and sends the processed data to the serial port E...

Page 6: ...CP UDP IP ICMP ARP DHCP WEP T2S TCP server mode COD TCP client mode ATC TCP server client modes AT command emulation Communicat ion Modes U2S UDP ezConfig Configuration utility via LAN ezSerialConfig...

Page 7: ...g No Name Description Signal Level Direction Remark 1 NC 2 RXD Receive Data RS232 Input mandatory 3 TXD Transmit Data RS232 Output mandatory 4 DTR Data Terminal Ready RS232 Output Always ON 5 GND Grou...

Page 8: ...en no IP address was assigned DHCP STS Status Yellow Turned on During a TCP connection LINK Wireless LAN Link Green Turned on the wireless LAN LINK is established RXD Wireless LAN Reception Yellow Tur...

Page 9: ...Identification SSID Channel 2 Configuring the Wireless LAN Setup Items Whether to use WEP If used set key value 3 1 1 3 Connecting to the Network Confirming Procedure Checking link LED lightning statu...

Page 10: ...ion program to use see 4 3 Normal Communication Mode It is not applicable to a wireless LAN which use authentication because ezTCP doesn t support authentication protocols for the wireless LAN 2 1 2 C...

Page 11: ...wing sequence A method to perform the test operation will now be described assuming that the network is configured as the infrastructure the AP and the PC are directly connected via a crossed LAN cabl...

Page 12: ...fig 2 2 4 Configuring ezTCP Use ezConfig the ezTCP configuration program and change the configuration of ezTCP as follows Run ezConfig and click on PROBE button on the ezConfig window Then the ezConfi...

Page 13: ...6 Communication Test Once the preparation for serial communication has been completed enter the following in the command prompt of Windows and establish a TCP connection using Telnet program telnet 10...

Page 14: ...ireless LAN z Network Type infrastructure ad hoc The infrastructure is a network connection mode that allows communication between wireless LAN devices or between the wireless LAN and the wired LAN Et...

Page 15: ...rk the user can make communication with the AP which he she wants to communicate with by setting the SSID of the desired AP in the ezTCP See 3 1 2 For information about SSID of the AP AP manual or AP...

Page 16: ...any authentication protocol you should not install ezTCP to that network 3 1 2 Setting Wireless LAN Items of the ezTCP There are two ways to configure wireless LAN related items Windows utility ezSeri...

Page 17: ...on in the ezSerialConfig window 3 2 Setting the IP Address and Environment Values To establish TCP IP communication the user must set fields relating to the IP address as well as fields relating to th...

Page 18: ...word PASSWORD Password when Performing Remote Login through Telnet 3 2 1 ezConfig The basic environment information of ezTCP can be configured through DHCP ARP and ezConfig This section takes an examp...

Page 19: ...e changed value in ezTCP after modifying the configuration Make sure not to press this button during operating ezTCP since ezTCP will automatically be reset right after its environment setup value is...

Page 20: ...p value according to the following sequence When the ezTCP power is turned on and the LAN cable is connected correctly pressing PROBE or READ button will display the following window If a network atta...

Page 21: ...d correctly and then try again In Windows MS DOS prompt window check the IP address is set correctly by giving the PING command If the ezTCP IP address is set correctly the PING results will be displa...

Page 22: ...ld change the IP related items by giving env if command through telnet access ezTCP allows the user to change the IP address only one time after the power is turned on For that reason the user should...

Page 23: ...nvironment with a network operating a DHCP server DHCP protocol allows the user to automatically set the IP address subnet mask gateway and name server of ezTCP Using DHCP automatic setup function req...

Page 24: ...NK LED is on after connection z Serial configuration mode ezTCP operates in the serial configuration mode if it is turned on without LAN card insertion In serial configuration mode all environmental v...

Page 25: ...ts up parameters including wireless LAN items through the serial port ezSerialConfig Not inserted ISP Mode Upgrades the ezTCP firmware through the serial port wflash Not inserted The Following describ...

Page 26: ...ity No parity Data bit 8 bits Stop bit 1 bit The following describes the firmware download method If you use wflash which is supplied by Sollae Systems you can download firmware more easily 4 3 Normal...

Page 27: ...o N M TCP is a protocol that requires a connection process Connection always takes place a one to one basis A host waiting for connection passive connection is called a server and one attempting to ma...

Page 28: ...ished After connection is established TCP IP processing is performed on the data coming to the serial port which is then transmitted to the remote host And the TCP IP data coming from the remote host...

Page 29: ...EER IP ADDRESS IP Addresses PEER PORT BAUD RATE Speed of serial port bps DATA BITS Data length PARITY Parity Serial Port FLOW CTRL Flow control Mode MUX TYPE T2S 0 WATER MARK Connection Disconnection...

Page 30: ...to controlling the modem using AT command In ATC mode only a TCP connection is possible and both the server and the client can be configured In ATC mode the AT command allows the user to set environme...

Page 31: ...ber of host to connect BAUD RATE Speed of serial port bps DATA BITS Data length PARITY Parity Serial Port FLOW CTRL Flow control Mode MUX TYPE ATC 1 WATER MARK Connection Disconnection TIMEOUT Connect...

Page 32: ...on to the TCP port PEER PORT of the preset host IP PEER IP ADDRESS If the remote host accepts the TCP connection TCP connection will be established Data coming to the serial port after connection esta...

Page 33: ...d of serial port bps DATA BITS Data length PARITY Parity Serial Port FLOW CTRL Flow control Mode MUX TYPE COD 2 WATER MARK the number of bytes ezTCP attempts a connection when it receive a mount of WA...

Page 34: ...TER MARK comes to the serial port of the ezTCP or if a specified period of time TIMEOUT elapses after first data reception all data received for the same period is recognized as one block which is the...

Page 35: ...ata IP Addresses PEER PORT Port number of host to send UDP data BAUD RATE Speed of serial port bps DATA BITS Data length PARITY Parity Serial Port FLOW CTRL Flow control Mode MUX TYPE U2S 3 WATER MARK...

Page 36: ...start with AT and end with CR The format of AT commands is as follows AT Command CR 0x0d The response code from ezTCP to an AT command is as follows Response Message CR 0x0d LF 0x0a Response Message...

Page 37: ...te machine IP address PRP Remote machine TCP port PWP Write configuration Saving configuration values to EEPROM PRC Enable disable ezConfig ON 1 OFF 0 PARP Enable disable ARP ON 1 OFF 0 PDC DHCP ON 1...

Page 38: ...00ms The interval which is no data transmission after the last 500ms or up 6 4 2 How to switch to online command state In case the system has been switched from online state to online command state wh...

Page 39: ...tempting a connection CONNECT CR LF Connection established TCP IP data transmission 6 6 2 Example of Passive Connection AT PLP 1470 CR Set local port OK CR LF Command OK ATA CR Listen connection Liste...

Page 40: ...ompleted ATH TCP termination command OK CR LF TCP connection terminated 6 7 2 Example of Passive Termination In case an external host attempts to terminate a connection Data Description Data exchange...

Page 41: ...uest to refund the product within two weeks after purchase Sollae Systems will refund the product 7 1 3 Free Repair Services For product failures occurring within one year after purchase Sollae System...

Page 42: ...for purposes other than those for which they were designed is prohibited z Do not use the product in an extremely cold or hot place or in a place where vibration is severe z Do not use the product in...

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