EZL-200F User`s Manual
Contents
1. o SSL Possible to set using Telnet See 3 3 Enabled when SSL 1s used e Send Delay Possible to set using Telnet See 3 3 Sets the time to gather data from the serial port when transmitting TCP data unit ms minimum setting 20 If this item is set to O the send delay works as 20ms e Comment Stores maximum 32 byte user comment on the product This item helps the user distinguish each EZL 200F more easily e Multi Conn Enabled to support maximum 8 multiple connections in T2S mode All connected hosts can exchange data with each other 3 2 Configuration by ezConfig 3 2 1 ezConfig Menus The basic environmental variables IP address related items serial port items and etc can be set by ezConfig which is an integrated management tool for Windows ezConfig is operated in Microsoft Windows Windows 98 98 SE 2000 Pro ME XP Pro Home Following is the screen shot of ezConfig which is just launched exConfig 3 0d amp Apr 2005 M aaen Sena Type WLAM Mode Search Liat Loca IP Achen pal P Bsudate Tanget S510 Subnet Mask Panty Adhoc Master SSID Gateway IP Address Channel Peer IP Adret Reserred Search er ILF gt 17 V ezConfig can set not only EZL 200F s environmental variables but also other ezTCP Series The functions of ezConfig s buttons are followed This button is used to search for all of the network attached ezTCPs The search results will be displayed on the Search Lis2. IN El IL U 192HH gt d d d d d d d d e The following is a screen for setting SSL and other items C al ul 1 IL 1 e 1 e The following is a screen for setting a password CA ul 1 IL 1 IL l mzh enu pud PASSWORD lt no passwd ms h gt 3 3 2 Configuration Commands by telnet Enable ezConfig function Enable IP setting by ARP E a env ezl env pwd env ext DHCP Select to receive EZL 200F IP address as DHCP PPPOE Select to receive EZL 200F IP address as PPPoE LOCAL IP SUBNET MASK GATEWAY BAUD RATE PARITY DATA BITS RISCTS TELNET Enable Telnet log in function Communication Mode MUX TYPE 0 T2S 1 ATC 2 COD 3 U2S T2S ATC COD Limit Time to Keep Connection unit 10ms TIME OUT o l U2S UDP data receiving time from serial port for a block unit 10ms LOCAL PORT Local Port Number COD Minimum number of bytes attempting to WATER MARK connect unit byte U2S UDP block size unit byte T2S connection permitted peer IP address when 0 0 0 0 any host can connect PEER IP ii COD IP address to connect in Client mode U2S UDP datagram destination IP address ATC COD connection port nmber PEER PORT mE U2S UDP datagram destination Port number Password for telnet login and ezConfig For erasing input COMMENT User specific information maximum 32bytes Enabling SSL function TCP data transmitting time SEND DE
3. gt Connecting to the host M P Attempting to connect to the host P lt CR gt lt LF gt CONNECT lt CR gt lt LF gt e TCP connection success 6 6 2 Example of passive Connection AT PLP 1470 lt CR gt gt Set LOCAL PORT to listen Eet _ Command OK pf aTascR gt Ir Passive connection command Listen on local port from a host A host connects to EZL 200F P lt CR gt lt LF gt CONNECT lt CR gt lt LF gt K TCP connection OK 6 7 Example of TCP Disconnection 6 7 1 Example of active disconnection EZL 200F disconnects the connection C oam TIO pn Data Communication during TCP connection l l Changing online state to online command guard time guard time state PI lt CR gt lt LF gt OK lt CR gt lt LF gt Lr Changed to online command state Dm e EE 4 lt CR gt lt LF gt OK lt CR gt lt LF gt Command OK 6 7 2 Example of passive disconnection The remote host disconnects the connection Ieper nmm Data Communication during TCP connection The remote host disconnect the connection lt CR gt lt LF gt NO CARRIER lt CR gt lt LF gt TCP disconnected 44 7 Other Functions 7 1 SSL Secure Socket Layer SSL is a security protocol used in the Internet environment that requires security feature As being a protocol operating at high layer of TCP SSL cannot be used in U2S that uses UDP Though it is possible to use SSL in client mode it is necessary to
4. 6 4 ONLINE STATE AND ONLINE COMMAND STATER 42 6 4 1 Changing Online State to Online Command State eese 42 6 4 2 Changing Online Command State to Online State sse 43 6 5 EXAMPLE OF CONFIGURATION WITH AT COMMAND 43 0 0 EXAMP OF TEP EC EE 43 0 0 1 Example of Active TE 43 0 0 2 Example of p ssive Connect oh aanre ud dies eem RES Po ue ade nai Dada Enab UERN RATE aan 44 OL JBXAMPEEOP KREE RE EE 44 Quo Example of active dISCOHNECLTON S eso deeds hne usata std un Mu Quiche dedita endet duchess 44 0 52 Example of Dasstbe GISCONNECIION asse e ev t i ba tt tedio e Pus eO pe td ag 44 te OTHER FUNC THONS edis e POENI ERR a na tae easy aves 45 vod vl T eaten a inc 45 Jes p 7 4 dds 7 6 8 1 8 2 6 2 1 8 2 2 8 2 3 8 2 4 PING PEST ets DESIGNATING TC PB OCR ovens esate scence rattan ada saias seta dal exta etra E eee SETTING COD DELAY IN COD Mopp MUETECONNEC TON ccricttsehiiet aaa pacas dE een inte ais adiit repos dicas dada LE ds DEBUGGING Pre RDO SOV CE S eet Chargea EE Notes on Operation 1 Overview 1 1 Overview Along with the development of the Internet the demand for data communication functions has increased recently Data communication over the Internet requires using TCP IP the Internet communication protocol That is to say in order to connect a system to the Internet TCP IP protocol must be implemented It is po
5. Changing Online State to Online Command State To change online state to online command state during the connection string should be transmitted to EZL 200F as following time interval When transmitting string to EZL 200F string will be sent to peer host The time from final data the first data of No data over 500ms guard time 42 time intervals between s 0 500ms Time interval after receiving last No data over 500ms guard time 6 4 2 Changing Online Command State to Online State If EZL 200F s state is in online command state during TCP connection EZL 200F s state can be changed into online state by an ATO command 6 5 Example of Configuration with AT Command DT Sta TT Dec DEDE CEE ler Les DEE last caro Come C sesswassassasseece fp samesumErMAS let Lei C seuseene Jlauonmg Lo Comudor EEE O ET Lo Commudor Saving setting value to EEPROM AT PWP lt CR gt Reset automatically 4 lt CR gt lt LF gt OK lt CR gt lt LF gt Command OK lt CR gt lt LF gt NO System Reset CARRIER lt CR gt lt LF gt 6 6 Example of TCP Connection 6 6 1 Example of Active Connection i AT PRIP 192 168 1 201 lt CR gt Setting remote IP address to connect 4 lt CR gt lt LF gt OK lt CR gt lt LF gt Command OK a AT PRP 1470 lt CR gt Setting remote port number to connect 4 lt CR gt lt LF gt OK lt CR gt lt LF gt Command OK i ATDT lt CR gt
6. DO 304 5 00 00 04 D z LETN d D0 3045 00 00 17 Seen Pay arp SF H Channel WEP 2 2 4 Connecting to the PC Serial Port Connect the serial port of your PC and that of EZL 200F using the supplied serial communication cable Then run serial communication program such as Hyper Terminal and Teraterm When the program is run select the same serial port values as those set to EZL 200F 19200bps data bit 8 bits stop bit 1 bit no parity which will finish the preparation for serial communication 2 2 5 Communication Test When the preparation for serial communication is finished enter the following in the DOS window on your PC to connect to TCP through Telnet program Telnet 10 1 0 1 1470 When TCP connection succeeds STS LED of EZL 200F turns ON When the STS LED turns ON enter 123 on the Telnet window and 123 will appear on the hyper terminal Enter ABC on the hyper terminal and ABC will appear on the Telnet window Otherwise communication test fails 12 3 Configuring IP Address and Environmental Variables 3 1 IP Address and Environmental Variables For TCP IP communication you must set IP address related items In addition you have to set serial port related items serial port type communication speed data bit length parity bit flow control etc to EZL 200F You can set the IP address and the serial port related items by using ezConfig the supplied configuration utility which a
7. make some changes on the console in server mode For more information about how to use SSL refer to the SSL application note provided on our company s web site 7 2 Ping Test On EZL 200F console you can test ping from EZL 200F to another host Ping test command format is as follows e IP Address IP address of the host from which ping test is to be performed o count Ping test count This item can be omitted In this case ping test is performed 4 times as default V It is impossible to stop ping test in the middle of it 7 3 Designating TCP Tx Block since TCP transmits data in stream while UDP transmits data by block unit the order in which data is received is important but the transmitted block size does not mean anything EZL 200F gathers data coming through the serial port for at least 20ms and then transmits it to the network the time for gathering and sending data is called nagle time Therefore if your host program is made to process TCP data by bock unit communication may not be smooth The best way to solve this problem is to modify the host program to receive data in stream However it is impossible to modify the host program you can change nagle timer value of EZL 200F to gather data for a certain period of time To change the nagle timer open EZL 200F console enter env ext command and then change SEND DELAY item unit ms d If the nagle timer ts changed data is gathered for
8. mode function through the serial port Supply power with Download firmware ISP pressing the through the serial port 115200bps N 8 button Ethernet does not work 4 3 Normal Communication Mode Normal communication mode is suitable for the purpose of using EZL 200F Normal communication mode can be classified into four modes T2S ATC COD and U2S each of which is described in the following table 29 Need for User Configuration of Communication Equipment Environmental Protocol Connection Topology Mode Software Variables through Modification Serial Port Passive l Connection i Active Passive l TCP Needed Possible Connection Active Not needed Impossible Connection l l Impossible TCP protocol requires connection process The connection is always established as 1 1 connection At this time the host waiting for connection passive connection is called a server and the one attempting to connect active connection is called a client On the other hand UDP communicates by block unit without connection process As UDP does not require connection numbers of hosts can communicate at the same time Se For more information on communication modes refer to the next chapter 4 4 Console Mode In console mode you can configure the environmental variables of ezTCP and all security functions are disabled Therefore whether you choose or not ezConfig and Telnet functions are enable
9. packet to be sent at a time when EZL 200F operates as U2S e COD Delay Possible to set using Telnet See 3 3 Time after connection is off as Conn Byte is 0 in COD mode until connection is reestablished unit second DER e Timeout When EZL 200F operates as TCP such as T2S COD and ATC connection is closed if data communication is not continued as long as the time set to this item unless this item is set to O unit second e Interval When EZL 200F operates as UDP like U2S it transmits data in blocks by gathering data for the time set to this item unit 10ms d ezConfig You can use ezConfig utility only this item is enabled If this item is not enabled you cannot set EZL 200F using ezConfig Therefore it is recommended to enable this all the times e Telnet Only when this item is enabled you can log in Telnet to control or check EZL 200F through the EZL 200F console e Password Sets a password for configuring with ezConfig or logging with Telnet e ARP Sets whether to or not to set IP address using ARP protocol When this item is selected EZL 200F uses the destination IP address of the first packet coming to its MAC address as its own IP address temporarily e DHCP Set to receive an IP address as DHCP e PPPoE Set to receive an IP address as PPPoE PPPoE ID amp Password Sets ID and password used for PPPOE EZL 200F uses maximum 32 byte for saving an ID and 8 bytes for a password 2 T
10. 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 18 Double clicking each item on the Search List will carry out the same function 3 2 2 Example configuration of ezConfig 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 This section describes these functions briefly For more information see the following sections The following example shows how to read and change ezTCP s basic functions Try changing ezTCP setup value according to the following sequence e When the ezTCP power is turned on and the LAN cable is connected correctly pressing Search or Read button will display the following window e7Contig searching ez TCF e 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 Search or Read button e7Contig Ze ez CF 3ez CPis found V Itis impossible to use ezConfig if EZCFG check box is disabled This function can be re enabled in Console mode e If more than one ezTCP are detected ezTCP s MAC ADDRESS will be displayed in the Search List box on ezConfig Check if the MAC ADDRESS displayed in
11. EZL 200F User s Manual Version 1 2 Sollae Systems Inc 1 RE K2 1 5 1 4 1 4 1 D d 1 4 3 1 4 4 2 2d 21 4 ZU 2 1 3 2 2 Zee 22 21 2 2 3 2 2 4 22 9 3 ols 92 5 251 D 22 3 5 9S d 3 9 2 3 4 3 5 Sud 9 9 25 3 6 Table of Context OVERVIEW e H 5 OVERVIEW e RD RR ER RR EE 5 COMPONENTS usado uon dado ufa ora ndo En oa dn ptit 6 EECHER 6 ENLDER EE 7 POU Med aaa E o dg M M meee Dh de 7 Dub E 7 CLUS RD t 9 Eege 9 INSTALLATION AND TEST RUN RE 10 INSTALLATION METHOD irion us E 10 Checking the Communication Environment eee esee eene essen nnne sse I0 Connecime E aussen trt eda ceteri surtido cutie tutis dua II Configuring the Environmental Variables eese eene II BE HUI Pv D RP RIR 11 Chane me EE II TASIGHING E Il CONTI OUTING EE II Connecting 10 the C serial POR uade cape etsi aceda Vertu outer ee etu sere Eva Re ep I2 COMMUNIC ANON TCS NP MR D I2 CONFIGURING IP ADDRESS AND ENVIRONMENTAL VARIABLES 13 IP ADDRESS AND ENVIRONMENTAL VARIABLES eere 13 CONFIGURATION BY EZC ONEIG ee 17 Eed I7 Example confieurationmof ezConftg 3 sa s I RRL NES I EHE 9 CONFIGURATION USING TEENE T Geet ioga dO bna apta edu nodus 20 Example of Configuration using feiner 20 Configuration Com
12. LAY unit ms COD DELAY Reconnection time when disconnected in COD Mode unit second uod V If any item is modified the item is saved and reboot automatically V After setting IP address successfully by telnet but IP address is not set correctly turn off ARP function 3 4 AT command In ATC mode the user can set environment variables through the serial port using AT command gg For more information See 6 ATC Mode 3 5 Setting IP address by ARP If ARP function is enabled EZL 200F saves the destination IP address of the first packet which incomes to its MAC address as its local IP address to its volatile memory By using this function user can set IP address of EZL 200F On Windows and UNIX Linux platform the command arp enables a user to change the contents of arp cache table from the host computer After changing the contents of the arp cache table attempting a Telnet connection or a ping test will change the ezTCP s IP address IP address changed by the arp command will not be stored in EEPROM Therefore the user should 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 The example listed below shows how to change the arp cache table on Windows MS DOS prompt window and Linux If ezTCP s Ethernet address is 00 30 f9 00 00 01 and the IP address to use is a b c d the user can cha
13. OMI VT File Edit Setup Control Window Help 166 E L RRH serial boot loader ui Ba Sollae Systems p ID CODE BF Z D 208 ready send 256K code block BABS BHHHB 2014 testing CRC 182 CRE OK 282 programming flash erasing flash zs DA3F programming flash zs aga nga e When downloading is completed turn off the power and then turn it on again V You can also download firmware over Ethernet after logging in Telnet For more information refer to the supplied application note 232 5 Normal Communication Mode 5 1 T2S TCP To Serial In T2S mode the ezTCP functions as a server When a host connect to predefined local port the ezTCP accepts a TCP connection When the ezTCP accepts TCP connection then the TCP connection 1s 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 To limit the peer host user should set Peer IP Address The only pre defined host can be accessible If Peer IP Address is 0 0 0 0 any host can connect to EZL 200F If Multi Conn Function is enabled Maximum 8 hosts connect to EZL 200F All hosts which are connected communicate with EZL 200F saree Host p
14. and Environmental Variables Ge Test Run You can perform test run according to the following orders The test run described here is based on the assumption that the IP address of the PC is set to 10 1 0 2 and its serial interface is configured as RS232 interface 2 2 1 Changing PC IP Address You can change the IP address of your PC as follows IP Address 10 1 0 2 Subnet Mask 255 0 0 0 Gateway IP Address 0 0 0 0 2 2 2 Installing EZL 200F Connect the supplied RS232 cable between your PC and EZL 200F the LAN cable to the hub to which the PC is connected or directly to the PC and the supplied EZL 200F power adapter to EZL 200F for power supply If the LAN cable has been correctly connected when power is supplied LINK LED turns on 2 2 3 Configuring EZL 200F Configure EZL 200F setting using ezConfig the ezTCP configuration program as follows cdi Run ezConfig and click Search ezTCP button in the ezConfig window And ezConfig program will search all ezTCPs on the local network When ezTCP is searched MAC address of the ezTCP is displayed on the Search List window The MAC address 1s indicated at the bottom of the product case Select the corresponding MAC address and set the same as shown in the following figure and click Write button to save the settings exContig 3 0d 8 Apr 2005 MAC Address erTCF Mode Serial T WLAN Mode 00 30 lea oo loin Tas w Sahin Local Por am Target SSID
15. and transmitted to the serial port for data communication Remote Host Serial Device Ai Request TCP Gre ey CAD TE C Wactinn nara DEP DATA DEF TCRAP DATA GHI TCF DATA GH GOD connection sequence WATERMARK 3 SS Set the following for COD mode Lo Hem Dew pin Poen e IP address of EZL 200F Address Subnet Mask IP Address m Related Item HOMO IP address of gateway Address Peer IP Address Peer IP address to connect Communication Mode Ss fts animo Connection Disconnection Timeout Limit time to keep connection Enable MERE 1 function Configuration Tent Enable Telnet Enable Telnet log in function in function Method Select between Telnet password and etho Password en gontamm e ARP Enable IP setting Enable IP setting by ARP ARP Select to receive EZL 200F IP address as REON PPPoE Serial Port sd qus 5 4 U2S 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 Conn Byte 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
16. annot set the local IP address e Subnet Mask Sets subnet mask of the network where EZL 200F is installed e Gateway IP Address Sets the gateway IP address of the network where EZL 200F is installed o Local Port Port number which is used as TCP port number waiting to be connected when EZL 200F operates as TCP server or as the port number waiting for UDP data when 1t operates in U2S communication mode amp Peer Port Local port number of the server to connect when EZL 200F operates as TCP client or to 1 4 transmit UDP data when it operates as U2S e Serial Type Selects a serial port interface of EZL 200F among RS232 RS422 full duplex and RS485 half duplex interfaces e Baud Rate Selects a serial port speed 1200 bps 115200bps Data Bits Selects a data bit length of the serial port 7 bits or 8 bits e Parity Select a parity bit of the serial port None Even Odd e Stop Bit Selects a stop bit length of the serial port 1 bit 2 bits e Flow Control Selects flow control for the serial port None RTS CTS Xon Xoff e ezI CP Mode Selects the communication mode of EZL 200F T2S ATC COD U2S e Conn Byte Decides a point of time to start connection when EZL 200F operates as COD EZL 200F starts to connect to the host Peer IP Address and Peer Port of the designated host upon receiving as many data as specified by Conn Byte from the serial port e Block Byte Decides the size of UDP
17. bps Ethernet 10 100 M bit auto sense Auto MDI MDIX Network TCP UDP IP ICMP ARP DHCP PPPoE SSL 3 0 TLS 1 0 T2S TCP Server Mode COD TCP Client Mode TCP Server Client Communicati on Mode ATC AT command emulation U2S UDP ezConfig Configuration utility via LAN Utilities ezterm Socket test utility hotflash Firmware download utility via TFTP s You can download free utilities and firmware from http www eztcp com 1 4 Interface i A z ry f a AJ 45 5 SP switch 1 4 1 Power DC 5V 1s used for EZL 200F and the specification is below 1 4 2 Dsub Connector The connector of serial port is 9 pin Dsub male The specification is below e RS 232 TXD Transmit Data RS232 Output Mandatory PRI a De 5 GND Ground Groma _ Mandatory 6 DSR Data setReady R 232 Input Optional CTS Clear To Send RS232 Input optional Ce Lal aii a oie cee e RS 422 full duplex 9 TX transmit Data Differential Output Mandatory Differential Input e RS 485 half duplex o imxemue Differential Input Output Mandatory 1 4 3 Status LEDs EZL 200F has 5 LEDs Each LED functions as follows Name Meaning Color Description Status PWR Power Red ON Powerissupplied Power is supplied Blinking IP is allocated but TCP connection is not for a Sec established Blinking 4 IP is not allocated STS Status Yellow Nu Sec TCP connect
18. ched to console mode In console mode you can configure EZL 200F through the serial port in RS232 communication mode At this time the RS232 port operates in the following conditions 19200 bps 8 data bits no parity 1 stop bit and no flow control When console mode is initiated the following message is displayed Bi Tera Term COMI VT File Edit setup Control Window Help MIC v2 2A arm little Copyright c Sollae Systems Co Ltd msh gt TIR a 4 2 3 How to Initiate ISP Mode Connect the serial port of EZL 200F to a PC or a notebook run serial communication program Teraterm etc using which you can send binary data and then configure the serial port as follows 115200 bps 8 data bits no parity 1 stop bit no flow control Supply power to EZL 200F with pressing the ISP button on the back of the product and EZL 200F operates in ISP mode The following is the message displayed on the serial terminal when EZL 200F is connected to the serial port in ISP mode Bi Tera Term COMI VT File Edit Setup Control Window Help 1668 E L RRH 7 serial boot loader ui Ba Sollae Systems 4 2 4 Comparison of Operation Modes The following table is the comparison of the above described operation modes Communication Speed Normal data Normal communication mode User setting T2S ATC COD U2S Configure the Press and hold t he environmental variables Console button for 1 second and disable the security 19200bps N 8 1 in normal
19. d If you have lost your password you can remove or change the password in this mode Communication Speed 19200 bps Parity Type 8 bits SE Commands used in console mode are the same as those set after logging in Telnet So refer to 3 3 Configuring using Telnet 4 5 ISP Mode 30 In ISP mode you can download the latest firmware EZL 200F operation software provided by our company Communication Speed 115200 bps Parity Type Data Bits 8 bits Stop Bit 1 stop bit The following section describes how to download firmware in ISP mode e Set the serial terminal through which you can transmit binary data as shown above and connect the supplied serial cable Supply power to EZL 200F with pressing the ISP button on the back of the product Then the following message is displayed on the serial terminal Bi Tera Term COMI VT File Edit Setup Control Window Help 1668 E L RRH serial boot loader ui Ba Sollae Systems e Enter the program command p and press the Enter key Then the following message is displayed Bi Tera Term COMI VT File Edit Setup Control Window Help 1668 E L RRH 7 serial boot loader ui Ba Sollae Systems p ID CODE BF Z D 208 ready send 256K code block e Firmware to be downloaded is transmitted The following is a screen displayed when the firmware is normally transmitted to EZL 200F and saved in its flash EIE memory without an error Hi Tera Term C
20. ion 1s TCPconnectionisestablished A Console mode Connected to 100M network to 100M network Green There are data on the LAN when EZL te 200F 1 ted to 100M LINK A is connected to ON Connected to 10M network Red There are data on the LAN when EZL Blinking l 200F is connected to 10M RXD LAN Rx Blinking There are data on the LAN LAN Tx Blinking Packets are being transmitted to Ethernet 1 4 4 Ethernet Interface Network part of EZL 200F 1s configured with Ethernet So what you have to do is only to connect UTP cable The Ethernet part detects 10Mbit or 100Mbit Ethernet automatically to connect the corresponding cable It also provides auto MDI MDIX function to automatically detect 1 1 cable or cross over cable Each piece of Ethernet equipment has unique hardware addresses and EZL 200F also has factory set hardware address which is called MAC address 2 Installation and Test Run 2 T Installation Method You can install EZL 200F in the following steps Item l IP address environment Checking th ems Setialportsettings 31 ecking the an ee Serial port settings 3 1 communication Application program to be environment used Set by ezConfig a utility program for configuration through the network Configuration Set by AT commands in method ATC mode By arp Confi th Se EE Temporarily set IP address environmental only variables l IP address related items Serial port rela
21. is set to 2 the time period 1s 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 Remote Host Serial Device DATA ABC LES DATA o UG DATA ECA OP lt U2S Transmission sequence WATERMARE 3 TIMEOUT 1 V SSL protocol cannot be used in U2S because SSL works over TCP 2 49 Set the following for U2S mode oem JL eseription o noe IP address of EZL 200F Address P Subnet Mask P IP address SINON IP address of gateway Address Related Item Port number for UDP data receving Peer P Peer IP address to transmit Address Serial Type Serial port type Baudrate Serial port speed bps Data bit length Serial Port Flow Control ezTCP Mode Communication mode U2S 3 Mode UDP block size to transmit unit byte Packets Data gathering time from serial port to Interval l transmit as UDP unit 10ms Enable ezConfig function Configuration Enable Telnet log in function Method Select between Telnet password and ezConfig etho Password sch ord RP Enable IP setting by ARP Sege DEMON DHCP PPPoE PPPoE 40 6 ATC Mode 6 1 Overview EZL 200F can be controlled by AT commands in ATC mode For example the peer host IP address can be set by AT PRIP command and connect to the host by ATD command Therefore EZL 200F communicates several hosts alternatively And also it pr
22. lications 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 1S 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 reliability 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 _ 48
23. llows you to configure your EZL 200F over the network by logging in Telnet or by using AT commands in ATC mode Also you can set IP address temporarily using ARP method which uses MAC address hardware address o lem Description Local IP IP address of EZL 200F Subnet Mask Gateway IP IP f Apu address of gateway IP Address related Port number for waiting to be connected Items Local Port in Server mode Port number for waiting UDP data Address IP address to send data in UDP mode Port number to send data in UDP mode Serial port speed bps Serial Port Data bit length Flow Control Communication Mode ezTCP Mode Communication mode Connect Disconnect Minimum number of bytes attempting to Conn Byte Event connect transmit sas mm DELAY is closed unit seconds Enable Telnet log in function Configuration Method Select between Telnet password and Used Password ezConfig password Enable IP setting by ARP Select to receive EZL 200F IP address dd as DHCP Flexible IP PPPoE Select to receive EZL 200F IP address as PPPoE PPPoE ID i ID and password to be used for PPPoE amp Password SSL Enable SSL security feature SEND TCP data transmission interval Other Functions DEALY unit ms User comment on the product Multi Conn Multi connection at T2S e Local IP Address IP address of EZL 200F If you set DHCP or PPPoE is set an IP address is automatically allocated So you c
24. mands Dy Telnetssu E 23 TEE 25 SEITEN tee Luta aed aaa 25 Setting of EZL 200F s IP address in Windows eese nennen 25 Deiting of EZE 200F SAP address in Line iiec RE d VR len UE i s A IS 26 SETTING IP ADDRESS RELATED ITEMS BY DHCP 3 7 SETTING IP ADDRESS RELATED ITEMS BY PPPOE cccscesceccecceccececcesceceecescesceces 26 A OPERA TION MODE UTR 28 4 1 OPERATION MODE OVERVIEW 2555s iadatra tuu ice meses onde E totu Pun eens bras Dic eig d QD 28 dido E 28 4 2 HOW TO INITIATE EACH OPERATION MOD 28 qu TOW AO INVITE Normal Mode st tei tenu ucc da aaa 26 4 22 How E cotes epu eae aa 26 qo Iowdodmtdte ISP Mode tee telo tte tdt pietati eerte tug 29 424 Comparison of Operation Modes iet ee dens RE Ebe M EVE TUE VERE tiie aise eee 29 40 NEMEI MODE ee 29 4 4 EREECHEN et 30 4 5 ee 30 5 NORMAL COMMUNICATION MODE scccvscsdsscsnsiscsssccdssecsecestsaccasssdascassdssecsecddaasinees 33 5 1 I2SCDCI TO SERIAL scc ites a din ada ae ade ii ead O aac ets 33 5 2 ATC EH EE EE EE 35 5 3 COD CONNECT EE uncis hone utente aE 37 5 4 W2S UDP FO SERIAL EE 39 O ATC MODE ppc 41 6 1 OVERVIEW pr EE 4 Otel LAE COMMONG ONAL sia ia sena e velia tte saves dando sanada ce auntie a erii vd nis 41 6 2 BASIC AT COMMAND SET EXAMPLE ATA ATDETC 4 6 3 EXTENDED AT COMMANDS EXAMPLE AT PLIP ETC 42
25. mple is as follows Operating System Windows XP Korean HN Local IP Address 10 1 0 2 10 1 0 1 20 255 0 0 0 255 0 0 0 Gateway IP address 10 1 0 254 10 1 0 254 e Click Run in the Start menu of Windows and the Run window appears Enter cmd in the Run window If the OS is Windows 98 enter command Pik Type the name of a program folder document or Internet resource and Windows will open it for you Cancel Browse e Then the DOS window appears Enter Telnet 10 1 0 1 in the DOS window and click Enter co COAWINDOWS Wsystemi eocmd exe Microsoft Windows AP Version 5 1 2600 fC Copyright 1785 2661 Microsoft Corp GC o Documents and Settings4 mhyunstelnet 16 1 8 1 e When the following message is displayed Telnet connection is successfully established Des MIC v2 2ACarm little gt Copyright c Sollae Systems Co Ltd a 1 3 p m I e If a password has been set to EZL 200F Telnet connection is established only when the password is entered B BEE E password xs MIC v2 2ACarm little gt Copyright c Sollae Systems Co Ltd ms h gt MIC v2 2ACarm Llittle gt Copyright c Sollae Systems Co Ltd mE h gt env if MAC ADDR lt HB 3H f 7 HB BB B5 d Yes d Yes d No gt d No gt 16 1 8 15 255 R M HA H R D Hi e The following is a screen for setting the serial port related items and the TCP 22 port related items
26. nge the IP address as follows 3 5 1 Setting of EZL 200F s IP address in Windows Cam s a b c d 00 30 f9 00 00 01 modifying table C gt arp a confirming modification Interface xxx xxx xxx xxx on Interface XXXXXXXX Internet Address Physical Address Type a b c d 00 30 f9 00 00 01 static C ping a b c d ping test after resetting EZL 200F Pinging a b c d with 32 bytes of data 295 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 time 1ms TTL 64 Reply from a b c d bytes 32 time 1ms TTL 64 Cie 3 5 2 Setting of EZL 200F s IP address in Linux 3 6 3 7 rtos gt arp s a b c d 00 30 19 00 00 01 modifying table rtos gt arp confirming modification Address HWtype HWaddress FLags Mask Iface a b c d ether 00 30 f9 00 00 01 CM eth0 rtos gt ping a b c d ping test after resetting EZL 200F 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 time 1ms TTL 64 Reply from a b c d bytes 32 time 1ms TTL 64 rtos gt V Modified IP address store its new IP address to its volatile memory so user should login and change IP address if you would change IP address permanently Setting IP Address related Items by DHCP Under environment with a network operating a DHCP server DHCP protocol allows
27. ovides passive connection function by ATA command 6 1 1 AT command format AT commands start with AT and end lt CR gt AT command format is followed o SES The response code to AT command is followed SES SES Response Message When ATVI Gnitial seing When ATVO CONNECT TCP connected NO CARRIER TCP disconnected ERROR When query set value Set value Set value example AT PRIIP 6 2 Basic AT Command Set Example ATA ATD etc Output EZL 200F related information V enable result code Result code numeric VO alphabetic V1 zd 6 3 Extended AT Commands Example AT PLIP etc Function Description local IP address subnet mask default router listening TCP port timeout Remote machine IP address Remote machine TCP port Write configuration Saving and Reset ezConfig enable disable ON 1 OFF 0 ARP setting function enable disable ON 1 OFF 0 DHCP enable disable ON 1 OFF 0 6 4 Online State and Online Command State It is online command mode during disconnected AT commands can be used in online command mode After TCP connection AT commands cannot be used To use AT commands during the connection change state to online command state During TCP disconnected AT commands can be used Online Command To use AT commands during the connection required escape State sequence During TCP connected all serial data to EZL 200F convert TCP Online State and send to ethernet 6 4 1
28. ration 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 support eztcp com Website Address for Customer Support http www sollae co kr Support index html 8 2 Warranty 8 2 1 Refund Upon the customer s request to refund the product within two weeks after purchase Sollae Systems will refund the product 8 2 2 Free Repair Services For product failures occurring within one year after purchase Sollae Systems provides free repair services or 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 8 2 3 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 8 2 4 Notes on Operation e Sollae Systems is not responsible for product failures occurring due to user s alternation of the product e Specifications of the product are subject to change without prior notice for performance improvement L7 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 app
29. ssible to implement TCP IP by directly implementing the protocol porting public TCP IP or using Operating System OS However all these methods impose burdens on the developer in time cost and technology ezTCP series a Serial gt TCP IP protocol converter product group of Sollae Systems enables you to use TCP IP communication the Internet communication function simply by connecting the cable to a serial port ezTCP sends data from the serial port to the Internet network after TCP IP processing and vice versa EZL 200F in ezTCP product group is a product that provides TCP IP communication through Ethernet In other words like other ezTCP products EZL 200F sends data from the serial port to the LAN after TCP IP processing and vice versa As supporting RS 422 and RS485 as well as RS 232 for serial ports EZL 200F can be connected to various systems It provides DHCP and PPPoE functions so that it can be applied to the cable network and the xDSL network As EZL 200F provides SSL security function it can be used in a system that requires a high level of security 1 2 Components EZL 200F Body 5V Power Adopter Option RS232C cable for PC connection Option Cross over Ethernet cable Option 1 3 Specifications Input Voltage SV 10 Power Current 320mA typical 136mm x 83mm x 29mm Serial 9pin Dsub male Interface Network 10 100 Base T RS232 RS422 full duplex RS485 half duplex Serial Port 1200bps 115200
30. st lt ATC connection sequence passive connection pass Set the following for ATC mode Lem Desrpion Local IP Address IP address of EZL 200F Subnet Mask Gateway IP IP Address Address Relate Items Port number for waiting to be connected in Local Port Server mode Peer IP Address Peer IP address to connect Peer Port Peer port number to connect Serial Type Serial port type Serial port speed bps IP address of gateway Data bit length Serial Port Parity Stop bit Stop bit Flow Control Communication ezTCP Mode Communication mode ATC 1 Mode SSL Enabling SSL function Disconnection Timeout Limit time to keep connection ezConfig Enable ezConfig function Configuration Telnet Enable Telnet log in function hod Select between Telnet password and MENO Password ezConfig password ARP Enable IP setting by ARP m eum DACE DHCP PPPoE PPPoE s See 6 ATC Mode EC Sede COD Connect On Demand In COD mode the ezTCP functions as a client When data of the pre specified size CONN BYTE 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 Ifthe 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 1s TCP IP processed
31. t 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 of ezTCP will be displayed on the right side Search ez TCP es You can see only the ezTCP configuration values if you press this button after entering the 6 digit hexadecimal number printed on the ezT CP main body in 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 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 d If you forget the password erase or reenter in Console Mode This button is used to read a dynamic status during operating ezTCP Pressing
32. ted items Configuration Communication mode Items Decided depending on op application program 4 Application to the field S Check if LINK LED 1 eck 1 is Connecting to the Check method 1 4 4 ON network 2 1 1 Checking the Communication Environment Before installing EZL 200F check the network environment where EZL 200F is to be installed including the followings matters eo IP address environment local IP subnet mask gateway etc e serial port type of the equipment to which EZL 200F is going to be connected RS232 RS422 RS485 e Serial port items of the equipment to which EZL 200F is going to be connected baud rate data bit parity stop bit e Application program protocol to be used TCP UDP server client SSL etc c For application program protocol to be used see 5 Normal Communication 10 Mode 2 1 2 Connecting to the Network Connect power to EZL 200F and connect EZL 200F either directly to the Ethernet port of the PC where test 1s to be performed or to the network hub to which the PC is connected 2 1 3 Configuring the Environmental Variables When network connection is completed configure the environmental variables such as IP address related items serial port related items and communication mode related items through the LAN using ezConfig the environmental variable configuration program s For environmental variable configuration see 3 Setting IP Address
33. the Search List window corresponds to that printed on ezTCP main body The following screen shows this process Set ezTCP Mode Local IP Address Local Port and serial port related items 19 After setting press Write button If there is any error during writing process check the LAN between PC and EZL 200F e Check if the set IP address is correct with ping command in DOS prompt Following is the message if the IP address is OK If Request timed out message is shown check IP address C 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 time 1ms TTL 64 Reply from a b c d bytes 32 time 1ms TTL 64 When IP address is a b c d gt V IP address subnet mask and gateway IP address of both PC and EZL 200F should be correct to succeed in ping test 3 3 Configuration using Telnet You can configure the environmental variables for Telnet connection using Telnet client in your Windows or Linux or using a terminal like Teraterm Pro d If Telnet checkbox in ezConfig items is not checked you cannot log in Telnet To use Telnet function enable Telenet function in console mode or using ezConfig program 3 3 Example of Configuration using Telnet The following section describes the process of configuring the environmental variables using Telnet The environment used here for an exa
34. the period of time set to the nagle timer But if packets are lost on the network the lost packets and new data from the serial port are all sent together and thus data much larger than the expected size may have to be transmitted 7 4 Setting COD Delay in COD Mode If Conn Byte is 0 in COD mode EZL 200F attempts to connect to the pre set host as soon as it is started If connection is off after normal connection has been established EZL 200F attempts to reconnect the host usually after 10 second delay In order to control the delay time open EZL 200F console enter env ext command and then change COD DELAY item unit second d If COD DELAY is set to 0 the default delay time is 10 If it is set to a value other than 0 the value is the delay time 7 5 Multi connection When EZL 200F operates in T28 mode maximum 8 hosts can connect at the same time All the connected hosts can communicate in both ways Multi connection can be useful when several hosts monitor one equipment When multi connection is enabled SSL cannot be used In addition only RS232 serial port can be used and flow control cannot be used 7 6 Debugging You can connect to the console and debug EZL 200F using the debugging command For more information refer to the application note on our company s web site 46 8 Technical Support Warranty and Notes on Operation 8 1 Technical Support If you have any question regarding ope
35. the user to automatically set the IP address subnet mask gateway and name server of ezTCP Using DHCP automatic setup function requires the user to check DHCP item on ezConfig Note that the user may have to check ARP item according to the type of DHCP servers Setting IP Address related Items by PPPoE PPPoE is used in most ADSL and VDSL To use PPPoE function PPPoE function should be enabled and PPPoE ID and PPPoE password should be configured The local IP address of EZL 200F is assigned automatically in PPPoE environment EA V Some ADSL or VDSL modem use DHCP Please contact your ISP Internet Service Provider SO E 4 Operation Mode 4 1 Operation Mode Overview 4 1 1 Overview EZL 200F can operate in one of three modes normal console and ISP modes Normal mode is ordinary data communication mode console mode is used to configure the environmental variables through the serial port and ISP mode 1s used to download EZL 200F firmware through the serial port 4 2 How to Initiate Each Operation Mode 4 2 1 How to Initiate Normal Mode Normal mode is a mode in which EZL 200F performs its original functions If you do not make any change in the default setting EZL 200F usually operates in normal mode e For more information see 5 Normal Communication Mode 4 2 2 How to Initiate Console Mode Press and hold the ISP button on the back of the product for one second EZL 200F operation mode is swit
36. zTCP cena Device 2097 Set the following for T2S mode em Description Local IP Address Subnet Mask Subnet mask IP Address Relate Gateway IP Items Address IP address of EZL 200F IP address of gateway Port number for waiting to be connected Local Port in Server mode Permitted host to connect Peer IP Address if set to 0 0 0 0 any host can connect Serial port type Serial Type Baudrate Serial port speed bps Data bit length l Data bits Serial Port Stop bit Flow Control Flow control ezTCP Mode Communication Mode T2S 0 m SSL Enabling SSL function Communication Multiple connection up to 8 Mode Multi Conn SSL is not supported when Multi Conn Is enabled Enable ezConfig function ana Enable Telnet log in function i Select between Telnet password and o Password ezConfig password Enable IP setting by ARP Select to receive EZL 200F IP address l EE as DHCP eeh Select to receive EZL 200F IP address PPPOE as PPPoE sd 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 Serial Device Sal IP and pori by using AT commands Hemote Host Leien Remote Ho
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