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EZL-80c User`s Manual

1. 2 4002002 02 2 0 06000000000000 8 21 NORMAL COMMUNICATION MODE ere 22 NORMAL COMMUNICATION 23 den RR RENS bead unbenne te Rm 23 AT COMMAND 5 nece tdt de tere taire Tae e ped cu eek ese een ka 25 COD CONNECT ON 2 2 2 2 2 00 01000000000000000000000000000000000000000005000 E 27 125 UDP TO SERMAT 29 MODE 31 OVERVIEW o dero nn 31 AT command format 1 ta ea e Pe rela eo tha 31 COMMANDS Lese reves a 31 EXTENDED AT COMMANDS arreire enea enea E Er E E oE EEEE TAE EEEE E aE eia 32 ONLINE STATE AND ONLINE COMMAND STATE 32 How to switch to online command state from online 33 How to switch to online command state 33 EXAMPLE CONFIGURATION BY AT COMMANDS uns 33 EXAMPLE OE CONNECTION 34 Example of Active Connection iii 34 Example of Passive Connection sise 34 EXAMPLE OF TERMINATION censent nee EEE E EEES EE RD teet tenete nee 34 Example of Active Termination eese eene rennen 34 Example of Passive Termination sise 35 TECHNICAL SUPPORT WARRANTY AND NOTES ON OPERATION 36 TECHNICAL SUPPORT 066 pee RR P RERO ree ER EGET initie
2. WOLLOS 0000001 0000001 3 2 Pins 3 2 1 JP5 1 vecs 2 ooo mo sano bom 2 7 Poo Wireless LANTXD LED fo 12 General PoniResened vo 13 GenemiPumose VO up refawyue 15 pm _ ForFactoyuse 16 sck ForFacwoyuse fr I Input port 5 CM LE CEN CEN EM 10 11 O Output port M Mandatory Opt Option The level of all ports is TTL level 3 2 2 JP2 JP4 GND GND GND GND The level of all ports is TTL level 3 3 wireless LAN Interface EZL 80 a modular product should insert a CF wireless LAN card into CF socket For the wireless LAN card use a 3 3V 16 bit PC card PCMCIA or a CF card compatible with Intersil s Prism 2 5 or Prism 3 0 3 4 Serial Interface The serial port is implemented on 3 3V TTL level and can communicate with a UART Universal Asynchronous Receiver and Transmitter 3 4 1 Flow Control Flow control is used to avoid loss of data if there is an excessive amount of data For instance if the network causes delay in data transmission when the user device sends a large amount of data continuously the buffer in the serial port may be full resulting in loss of data The EZL 80 serial port has a 1 kbytes reception buffer and 512 bytes transmission buffer The serial port flow control of EZL 80 is implemented RTR
3. 13 4 2 1 Service Set Identifier 58 13 25 O 17711 ON ET eei 13 4 2 3 Wired Equivalent Privacy 14 4 3 How TO CONFIGURE WIRELESS LAN nr nennen n nnne nn 14 CC TYPBEsts d A di ee 15 2 32 eas 15 2133 SSID sn nn nent Men nent seb ae 15 2434 CHANNELS enceinte mui i dms 15 Lee vam est a E 15 2136 OTHER ITEMS denote e ti ee er I5 5 SETTING IP ADDRESSES AND ENVIRONMENTAL VARIABLES 16 5 1 EZCONFIG SETTING BY WIRELESS LAN 16 5 1 41 Jhebuttons of ezConfig ii ee ae er e EE e teases 16 5 2 6 6 1 6 2 6 3 6 4 6 5 7 7 1 7 2 7 3 7 4 8 8 1 6 1 1 8 2 8 3 8 4 6 4 1 6 4 2 8 5 8 6 6 6 1 8 6 2 8 7 6 7 1 6 7 2 9 9 9 1 1 9 1 2 9 1 3 9 1 4 9 1 5 EZSERIALCONFIG SET BY SERIAL PORT 20 OPERATION MODE eeeeeneenenenenennnenennennsensessese 21 OPERATION MODE OVERVIEW 21 HOW ENTER EACH 21 SERIAL CONFIG MODE FOR WIRELESS LAN CONFIGURATION ses 21 ISP MODE FOR FIRMWARE
4. GATEWAY 8 8 NAHE SERVER NAT IP ADDRESS BAUD RATE 19288 PARITY Mw MUX TYPE DATA BITS FLOW CTRL NONE TIME QUT 8 25 8 LOCAL PORT 1476 WATER MARK PEER PORT 1478 o OPTION PASSWORD CHANGE PwD EZCFG jv ARP DHC TELNET PROBE READ WRITE n 1D STATUS EXIT PEER IP ADDRESS 5 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 displayed as follows If a message Request timed out is displayed check that IP address setup value again C gt ping a b c d Pinging a b c d with 32 bytes of data Reply from a b c d bytes 32 time 1ms TTL 64 Reply from a b c d bytes 32 time 1ms TTL 64 Reply from a b c d bytes 32 timez1ms TTL 64 Reply from a b c d bytes 32 time 1ms TTL 64 Wireless LAN relate parameters can be set only via ezSerialConfig Confer 7 Normal Communication Mode for the parameters of IP address serial port and etc You download the newest ezConfig utility via http www eztcp com 19 5 2 ezSerialConfig set by serial port ezConfig is an utility which configure EZL 80 via serial port You can configure not only wireless LAN related items but also all items which be set by ezConfig You should turn on EZL 80 without wirele
5. In case the system has been switched from online state to online command state while TCP connection is established it can be switched back to online state by ATO command 8 5 Example of Configuration by AT Commands renonce a rraza e seser Palas a lt areswenszsscsoec e 1 comma same mamokcear omma gt fa ccreaumoKccrsa gt EEPROM fase lt CR gt lt LF gt NO After system resets CARRIER lt CR gt lt LF gt 8 6 Example of Connection 8 6 1 Example of Active Connection AT PRIP 192 168 1 201 lt CR gt Set remote IP address to connect 4 lt CR gt lt LF gt OK lt CR gt lt LF gt Command e se remote pr ane conne lt CR gt lt LF gt OK lt CR gt lt LF gt Command orce me remoro 4 lt CR gt lt LF gt CONNECT lt CR gt lt LF gt Connection established TCP IP data transmission 8 6 2 Example of Passive Connection AT PLP 1470 lt CR gt Set local port lt CR gt lt LF gt OK lt CR gt lt LF gt Command lt CRS lt LFSCONNECTECRSALES 8 7 Example of Termination 8 7 1 Example of Active T
6. refer to 5 1 ezConfig of this manual 15 5 SETTING IP ADDRESSES AND ENVIRONMENTAL VARIABLES 5 1 ezConfig setting by wireless LAN This section takes an example of using ezConfig which is a configuration program via wired wireless LAN ezConfig can run on Microsoft Windows platform The screen below shows the initial screen of ezConfig ezConfig ezICP MAC ADDRESS LOCAL IP ADDRESS BAUD RATE DATA BITS oo foo for i o MAC ADDRESS LIST SUBNET MASK PARITY FLOW CTRL 8 GATEWAY MUX TYPE TIME OUT NAME SERVER LOCAL PORT PEER PORT NAT ADDRESS WATER MARK PEER IP ADDRESS PASSWORD Far DHCI PPPot TELNET M EAPO READ RITE 1 EXIT You can set not only the parameters of EZL 80 but also the parameters of other ezTCP series Each button on ezConfig functions as follows 5 1 1 The buttons of ezConfig PROBE This button is used to search for all of the network attached ezTCPs The search results will be displayed on the MAC ADDRESS LIST box and you can select an item using a mouse or cursor as required The value displayed on the box indicates the MAC ADDRESS of each ezTCP The selected setup value 16 of ezTCP will be displayed the right side READ You can see only ezTCP configuration values if you press this button after entering the 6 digit hexadecimal number printed on ezTCP main body i
7. 3 4 3 If Flow Control Is Unused In case the user s processor does not use flow control it s OK to connect only RXD TXD GND signals between user s processor and EZL 80 And user should set RTS CTS to NONE by using ezConfig or ezSerialConfig RS HS 4 WIRELESS LAN CONFIGURATION 4 1 Types of Wireless LAN 4 1 1 Infrastructure The infrastructure is a network connection mode that allows communication between wireless LAN devices or between the wireless LAN and the wired LAN Ethernet through the Access Point AP When a network type is set to infrastructure communication with wired LAN via AP is possible which allows both wired and wireless Internet communications Ethernet LAN 4 1 2 Ad hoc X A device with EZL 80c The ad hoc network is designed to communicate between wireless LANs without any AP Since communication is established without any AP the user cannot access an external network or the Internet This is also called a peer to peer mode A device with EZL 80c gt 74 pr A device with EZL 80c A device with EZL 80c 4 2 Configuration Parameters For wireless LAN 4 2 1 Service Set Identifier SSID When configuring a network the user can configure different networks using different APs In this case the SSID is used to differentiate one network from another In other words when configuring an infrastructure network the user can make
8. 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 configuration program can be referred to If the user did not set the SSID the ezTCP will be connected with the AP that is first found when power is supplied The maximum length of the SSID is 32 bytes and the user can use ASCII code to set the SSID 4 2 2 Channel The channel is communication path in the network that it belongs to Channel values are set as the same value with the AP 4 2 3 Wired Equivalent Privacy WEP This is about security of the wireless LAN The wireless LAN provides similar security to that of the wired LAN using the WEP To use the WEP the user must set the key value According to the key value data is encoded in 64 bits or 128 bits for communication If the user did not set the WEP security related problems may occur 4 3 How To configure wireless LAN Wireless LAN related parameters can be configured through ezSerialConfig program To utilize ezSerialConfig program apply power with no LAN card inserted and operate EZL 80 in serial configuration mode With this program you can configure IP address and serial port related parameters as well as wireless LAN parameters ezSerialContig COMME LOCAL IP ADDRESS BAUD RATE DATA BITS 1 550 _ SUBNET MASK PARITY FLOW CTRL CREATE SSID GATEWAY 222
9. product group and has a CF card socket and requires a 16 bit CF wireless LAN card ethernet EZL 80 performs the TCP IP processing on data from the serial port and sends them to the wireless LAN while playing the same role on data from the wireless LAN toward the serial port EZL 80 supports infrastructure networks through an access point AP and also provides ad hoc network function performing communication without an AP Since EZL 80 provides DHCP function as well as TCP IP UDP it can be applied to a dynamic IP network 2 SPECIFICATIONS 2 1 Contents EZL 80c body 2 2 Specification Input Voltage 3 3V 0 3 Power Size 60mm x 56mm x 10mm Weight about 10g 2 54mm pitch 16 pin header male Interface TTL level 1200bps 115200bps Serial Port RTS CTS hardware flow control Wireless CF external circuit required LAN Protocols TCP UDP IP ICMP ARP DHCP WEP T2S TCP server mode COD TCP client mode TCP server client mode ATC AT command emulation 25 UDP Operatin Temp Configuration utility via wireless LAN Ao ezSerialConfig Configuration utility via serial Utilities Utility for firmware download Utility for testing socket program Download utilities and firmware from http www eztcp com 3 HARDWARE INTERFACE 3 1 Dimension 10 S 5 2 54 0 8 2000000000000 008 1 60 m 9 lt lt 2 7 6 0
10. 22 TIME OUT CHANNEL NAME SERVER LOCALPORT PEER PORT _ WEP ADDRESS WATER MARK PEER IP ADDRESS MAC SAE f T NET AD O EXE v READ EXIT Operate EZL 80 in serial configuration mode to utilize ezSerialConfig Follow the sequence as described below 1 Run ezSerialConfig program in the PC 2 With no LAN card inserted connect EZL 80 and the PC by a serial cable and apply power 3 Select the COM port of the PC to which the cable is connected and press the READ button 4 4 Configure the environmental parameters of ezSerialConfig At this time you should configure wireless LAN related items The other items may be configured with ezConfig program after the wireless LAN is inserted into EZL 80 5 Push the WRITE button in the ezSerialConfig window 4 3 1 CC TYPE Select the type of the wireless LAN Check if the type of network to which the product is installed is infrastructure or ad hoc and configure the type accordingly 4 3 2 SSID Configure the AP s SSID or the master s SSID in ad hoc mode 4 3 3 CREATE SSID Configure the SSID if used as the ad hoc master in ad hoc mode 4 3 4 CHANNEL Configure the channel number used by the AP 4 3 5 If WEP is used in the wireless LAN network select the type of WEP and enter the key used by pushing the WEP key button 4 3 6 OTHER ITEMS For values of non wireless LAN items
11. EZL 80c User s Manual Version 0 6 S2 Sollae Systems Co Ltd TABLE OF CONTENTS OVERVIEW 4 2 SPECIFICATIONS 5 2 1 CONTENTS tette et rere reste 5 2 2 SPECIFICATION S Senecio ami on embed buone 6 3 HARDWARE INTERFACE cree ee ee eere eee aee seen ee eese eese enne seen 7 3 1 DIMENSION ES Bescon oe eon eee 7 3 2 a a a 8 JDOSGG eee Eie 8 2 02 2414 IPY IP ZIE ae Pe SE EC 9 3 3 WIRELESS LAN 1 10 3 4 SERTAL INTERFACE 10 Ne tates ORS 10 3 12 Blow Control SCelario eee deve eere tnc e rire deteste co ex auge eae gene 10 3 4 8 If Flow Control Is H 4 WIRELESS LAN CONFIGURATION eeee ee eese eno e seen esee ense stet tete eese en ae eee 12 4 1 THE TYPES OF WIRELESS 12 4142 12 412 12 4 2 CONFIGURATION PARAMETERS FOR WIRELESS
12. TION MODES 7 1 125 TCP to Serial In T2S mode the ezTCP functions as a server When a TCP connection comes from a remote host to the predefined local port the accepts a TCP connection When the ezTCP accepts TCP connection then the TCP connection is established 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 is TCP IP processed and transmitted to the serial port to establish data communication Data coming to the serial port before TCP connection is established will be ignored In T2S mode the ezTCP functions as a server Therefore 725 mode cannot be used in a dynamic IP environment DHCP Remote Host ezTCP Serial Device Listen on local Request connection Accept TCP connection Ignore data before connection ack connected DATA DATA TCP IP DATA DEF TCP IP DATA DEF lt T2S connection sequence Set the following for T2S mode LOCAL IP ADDRESS Local IP address of ezTCP GATEWAY Gateway IP address IP Addresses LOCAL PORT Local port number to listen BAUD RATE Speed of serial port bps DATA BITS Data length Serial Port MUX TYPE ET Connection Connection is terminated if there s no Disconnection TIMEOUT transmission
13. button in the ezSerialConfig window 6 4 ISP Mode For firmware upgrade 91 In ISP mode you can upgrade the firmware of EZL 80 Follow the sequence as describe below 1 Run wflash program in PC 2 Select a firmware to download by pushing the Download button With no LAN card inserted connect EZL 80 and the PC by a serial cable and apply power 4 Apply power and the firmware will be automatically downloaded 6 5 Normal Communication Mode This is the normal communication mode of EZL 80 as designed for its purpose When you apply power to an EZL 80 product with the LAN card inserted It will initiates normal communication mode In normal communication mode are available four communication modes T2S ATC COD and U2S as shown in the table below Parameter change Comm Connection S W A Protocol through the serial Topology Mode Type Modification port TC Fee puri ee peer om us voe seems no 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 make a connection active connection is called a client On the other hand UDP communicates by the block without the process of connection and thus allows multiple hosts to communicate simultaneously a For detailed operation modes refer to the next chapter 22 4 7 NORMAL COMMUNICA
14. data during TIMEOUT Configuration EZCFG ezConfig function enable disable Method ARP ARP function enable disable Dynamic IP DHCP 24 7 2 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 Remote Host Listen Set and port by using AT commands Request TCP connection Accept TCP Connection DATA ABC DATA ABC TCP IP DATA DEF TCP IP DATA DEF lt ATC connection sequence active connection Serial Remote Host Device Set IP and port by using AT commands Listen on uest TCP connection Local ction Accetp TCP E DATA ABC TCP IP DATA DEF Req onnected DATA ABC DATA DEF lt ATC connection sequence passive connection 195 Set the following for ATC mode inion LOCAL IP ADDRESS Local IP address of GATEWAY Gateway IP address IP Addresses LOCAL PORT Local port number to listen PEER IP ADDRESS IP address of host to connect PEER PORT Port number of host to connect BAUD RATE Speed of serial port bps DATA BITS Data length Serial Port MUX TYPE Connection Connection is terminated if there s no Disconn
15. e s no TIMEOUT transmission data during TIMEOUT Configuration EZCFG ezConfig function enable disable Method ARP function enable disable Dynamic IP DHCP DHCP function enable disable 28 7 4 25 UDP to Serial U2S mode allows for UDP communication In UDP mode data are transmitted in blocks which requires dividing data coming to the serial port into blocks before transmitting data A procedure for dividing data into blocks is as follows If data of pre specified bytes WATER 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 then transmitted to the UDP The TIMEOUT unit is 10ms If TIMEOUT is set to 2 the time period is between 20ms and 30ms Since UDP communication does not require a connection procedure the user can establish N to M communication via multicast and broadcast In U2S mode ezTCP doesn t support DHCP Remote Host DATA UDP DATA UDP DATA BCA UDP lt U2S Transmission sequence WATERMARK 3 TIMEOUT 1 gt 290 925 0000 0 000 000 0000 LOCAL IP ADDRESS Local IP address of ezTCP GATEWAY Gateway IP address IP Addresses LOCAL PORT Port number to receive UDP data PEER IP ADDRESS IP address of host to send UDP data PEER PORT Port number of host to send UDP data BAUD RATE S
16. ection TIMEOUT transmission data during TIMEOUT Configuration EZCFG ezConfig function enable disable Method ARP ARP function enable disable Dynamic IP DHCP DHCP function enable disable Confer next chapter to get more information about AT commands 26 7 3 COD Connect On Demand In COD mode the ezTCP functions as a client When data of the pre specified size WATER MARK comes to the serial port the ezTCP attempts a TCP connection 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 establishment is TCP IP processed and transmitted to the remote host And data coming from the remote host is TCP IP processed and transmitted to the serial port for data communication Remote Host ezTCP Serial Device Listen DATA GHI TCP IP lt COD connection sequence WATERMARK 3 gt JT Set the following for COD mode LOCAL IP ADDRESS Local IP address of ezTCP GATEWAY Gateway IP address IP Addresses PEER IP ADDRESS IP address of host to connect PEER PORT Port number of host to connect BAUD RATE Speed of serial port bps DATA BITS Data length Serial Port MUX TYPE the number of bytes ezTCP attempts a connection when it WATER MARK Connection receive a mount of WATER MARK Disconnection from its serial port Connection is terminated if ther
17. ed AT commands emu amus Lor EE Lone mo we reir Remote machine TCP port 1 Saving configuration values PWP Write configuration to EEPROM Enable disable ezConfig ON 1 OFF 0 PARP Enable disable ARP ON 1 OFF 0 DHCP ON 1 OFF 0 8 4 Online State and Online Command State If connection has not been established in ATC mode the system is in online command mode and permits the use of AT commands Once connection has been established the system is in online state and does not permit the use of AT commands In order to use AT commands while TCP connection is established it is necessary to switch to online command state and then use AT commands 299 Online command While TCP connection is not established AT commands can be state used While TCP connection is established all data are converted to Online state TCP IP 8 4 1 How to switch to online command state from online state In order to switch from online state to online command state it is necessary to send a message in proper format within specified time The message will be sent to the peer host The time interval between the last data transmission 500ms or up and inputting the first The interval which is no data transmission after the 500ms or up last 8 4 2 How to switch to online command state
18. een 36 rar IUE ETERNI 36 Refund hee tan e RR pee 36 Free R pair Services tt e t e et te ep e pie ete e tete 36 Charged Repair Services cesa er Pa eter tb arde 36 Notes on eee eri Rt DET Was ERE e Rue qe eiue 37 1 OVERVIEW A recent trend indicates that demand for data communication through the Internet continues to grow with the progress of the Internet For data communication over the Internet the use of the internet communication protocol TCP IP is required In order to communicate with any device over the Internet you must use TCP IP To do so you should implement TCP IP directly port open TCP IP or use such an operating system OS But these methods impose a heavy burden in terms of time money and technology The ezTCP series serial to TCP IP protocol converter product group of Sollae Systems provides TCP IP Internet communication function simply by connecting to a serial port and allows any device to communicate through the Internet The series performs the TCP IP processing on data coming in from the serial port and sends them to the Internet network while it performs the TCP IP processing on data from the Internet network and transmits actual data to the serial port Wireless LAN AP USER S POINT PROCESSOR a EZL 80 is a small sized modular product that provides TCP IP communication through IEEE802 11b wireless LAN among the ezTCP
19. ermination The following is the sequence to terminate connection initiated by EZL 80 2242 Data exchange TCP connection established switching to online command state from guard time guard time online state switching to online command state lt CR gt lt LF gt OK lt CR gt lt LF gt completed ATH lt CR gt TCP termination command 4 lt CR gt lt LF gt OK lt CR gt lt LF gt E TCP connection terminated 8 7 2 Example of Passive Termination In case an external host attempts to terminate a connection LI Data exchange TCP connection established In case an external host attempts to terminate connection lt CR gt lt LF gt NO TCP connection terminated CARRIER lt CR gt lt LF gt 35 9 Technical Support Warranty and Notes Operation 91 Technical Support If you have any question regarding operation of the product visit Customer Support FAQ corner and the message board on Sollae Systems web site or send us an email at the following address Website Address for Customer Support http www sollae co kr Support index html Email Address 9 1 1 Warranty 9 1 2 Refund Upon the customer s request to refund the product within two weeks after purchase Sollae Systems will refund the product 9 1 3 Free Repair Services For product failures occurring within one year after purchase Sollae Systems provides free repair services o
20. iability relating to user s injuries or accidents aerospace aviation health care nuclear power transportation and safety purposes Sollae Systems is not responsible for any accident or damage occurring while using the product Dam
21. n the MAC ADDRESS box It is useful when there are too many ezTCPs attached to the network to search for one from the LIST box WRITE This button is used to save the 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 saved Otherwise it may cause malfunction EXIT This button is used to close ezConfig You can also close it by pressing ESC key on the keyboard CHANGE PWD ezTCP provides User Authentication function to prevent an unwanted person from modifying the configuration The authentication process is performed through the password string verification When entering or changing the password strings you can use this button Changing the ezTCP configuration details if a password has been entered requires the proper password to be entered in the PASSWORD field STATUS This button is used to read a dynamic variable value during operating ezTCP Pressing this button will display a new window where the time elapsed after the power is on the current IP address and the data throughput of the serial port are indicated Double clicking each item on the MAC ADDRESS LIST will carry out the same function ezConfig can be used to change the IP address related items the serial port setup value the serial port operation mode and how to setup ezTCP The following example sh
22. ows how to read and change ezTCP s basic functions Try changing ezTCP setup value according to the following sequence 1 When the ezTCP power is turned on and the LAN cable is connected correctly pressing PROBE or READ button will display the following window eI ezConfig Reading ezTCP s environment variables MAC address 88 38 f9 00 008 18 2 If a network attached ezTCP is detected the following message will be displayed If a message pops up indicating that there is no response from ezTCP check that the power is turned on and the cable is connected correctly then try pressing PROBE or READ button ezConfig Searching ezTCP 3 ezTCP s found 3 If more than one ezTCP are detected ezTCP s MAC ADDRESS will be displayed in the MAC ADDRESS LIST box on ezConfig Check if the MAC ADDRESS displayed in the MAC ADDRESS LIST window corresponds to that printed on ezTCP main body The following screen shows this process 4 Setup MUX TYPE LOCAL IP ADDRESS LOCAL PORT and the serial port settings according to a test environment as required When the setup is completed pressing WRITE will save the changed values in ezTCP If an error message pops up during storing the configuration check that ezTCP is connected correctly and then try again 18 ezConfig ADDRESS oo Fo oo HAC ADDRESS LIST 66 36 F9 66 4a 2b LOCAL IP ADDRESS 16 1 8 SUBNET MASK 255 8
23. peed of serial port bps DATA BITS Data length Serial Port PARITY Parity FLOW CTRL Flow control MUX TYPE uns WATER MARK Byte size starting to send Transmission WATERMARK 5 Receiving interval to send as block Unit TIMEOUT unit 10msec EZCFG ezConfig function enable disable Method ARP ARP function enable disable 30 8 ATC MODE 8 1 Overview In ATC mode it is possible to set up and control EZL 80 by use of AT commands which are modem commands For instance you can set the remote IP to connect by AT PRIP command and make connection by ATD command Thus communication with multiple hosts in turn is possible Also you can make passive connection by ATA command 8 1 1 AT command format AT commands start with and end with lt CR gt The format of AT commands is as follows response message from EZL 80 to command is as follows CR 0x0d lt LF gt 0x0a CR 0x0d lt LF gt 0x0a Response Code OK Command OK CONNECT TCP connection established NO CARRIER TCP connection terminated When a set value is queried SET VALUE SET VALUE AT PRIP 8 2 Basic AT Commands Listening connection passive connection connection from host to ezTCP Starting to connect to host cafe ATEI enable ATEO diable The type of response code response code i numeric V0 verbose V1 Toggle to on line sate 8 3 Extend
24. r exchange the product However if the product failure is due to user s fault repair service fees will be charged or the product will be replaced at user s expense 9 1 4 Charged Repair Services For product failures occurring after the warranty period one year or resulting from user s fault repair service fees will be charged and the product will be replaced at user s expense 36 9 1 5 Notes Operation Sollae Systems is not responsible for product failures occurring due to user s alternation of the product Specifications of the product are subject to change without prior notice for performance improvement Sollae Systems does not guarantee successful operation of the product if the product was used under conditions deviating from the product specifications Reverse engineering of firmware and applications provided by Sollae Systems is prohibited Use of firmware and applications provided by Sollae Systems for purposes other than those for which they were designed is prohibited Do not use the product in an extremely cold or hot place or in a place where vibration is severe Do not use the product in an environment in which humidity is high or a lot of oil exists Do not use the product where there is caustic or combustible gas Sollae Systems does not guarantee normal operation of the product under the conditions a lot of noise exists Do not use the product for a purpose that requires exceptional quality and rel
25. ready to receive CTS clear to send protocol The RTS port RTR is called RTS in EZL 80 for convenience is an output port that becomes active low if storage space is available in the reception buffer of EZL 80 Meanwhile the CTS port is an input port which takes the active or inactive state of the RTS pin on the communication counterpart to which the CTS pin is connected The interconnection between the user s processor and EZL 80 should be done as follows USER S PROCESSOR 3 4 2 Flow Control Scenario The following is a flow control scenario It is assumed to be measured at the pins of EZL 80 10 Initially EZL 80 is ready to receive and transmit data since RTS and CTS are both low At position A the counterpart processor sends a signal that it is not ready to receive data Then EZL 80 stops sending data At position EZL 80 sends a signal that it is not ready to receive data Then neither party is ready to send or receive data At position the counterpart sends a signal that it is ready to receive data At this time EZL 80 has any data to send it sends the data to the user s processor At position D EZL 80 sends a signal that it is ready to receive data Now both parties send and receive data At position EZL 80 receives a signal from the user s processor that the latter is not ready to receive data and holds any data to transmit until CTS becomes active
26. ss LAN card to configure via ezSerialConfig Confer 4 WIRELESS LAN CONFIGURATION for more information 20 6 OPERATION MODE 6 1 Operation Mode Overview The operation modes of EZL 80 are normal communication mode serial configuration mode and ISP mode Major differences among the modes are as follows ae Description Related Utility Card Normal Comm Normal operation ezConfig Inserted Mode TCP IP protocol conversion Serial Config Sets up parameters including wireless LAN Not ezSerialConfig Mode items through the serial port inserted Upgrades the EZL 80 firmware through the Not ISP Mode wflash serial port inserted 6 2 How To Enter Each Mode EZL 80 operates in normal communication mode if booted with the LAN card inserted Otherwise it works in serial configuration or ISP mode 6 3 Serial Config Mode for wireless LAN configuration Before connecting the wireless LAN set up all wireless LAN items Follow the sequence as described below 1 Run ezSerialConfig program the PC 2 With no LAN card inserted connect EZL 80 and the PC by a serial cable and apply power 3 Select COM port which is being connected EZL 80 and push the READ button in the ezSerialConfig window 4 Setup the ezSerialConfig environmental parameters Configure wireless LAN items without fail The other items may be set up with ezConfig program in the Normal mode 5 Pushthe WRITE

EZL-80c User`s Manual

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