EZL-50L User`s Manual
Contents
1. 4 4 ISP MODE aiti hin ta et eei etiaai e areas aden Iste E despite eM aues 25 5 NORMAL COMMUNICATION MODE eee eren teen nennen eese eee esee ette ete eeossss eee eee 27 5 I2SCDCPTG SERIA iaren teint bnibue Inu aono ete baita Om Mane decus taies 27 5 2 AIC AFT COMMAND rencores e edet stuba sai UN guo im rec a oM pado sdim tau 29 5 3 COD CONNBEGTIONDENIAWND 2224525 4 9 td detbed dative a 3l 5 4 Uv rPO eens 33 0 ATC MODE 09 c 35 6 1 OVER E d DTE 35 bdd GAT COMMON ONIN ics uen M E eU MEE MIL M du dI a ME M Dee 35 6 2 BASIC AT COMMAND SET EXAMPLE ATA ATD ETC sese 35 6 3 EXTENDED AT COMMANDS EXAMPLE AT PLIP ETC eee 36 6 4 ONLINE STATE AND ONLINE COMMAND STATE ceeeeeeeeeee enne nnne enne nennen nennen 36 6 4 1 Changing Online State to Online Command State eee 36 6 4 2 Changing Online Command State to Online State esses 37 6 5 EXAMPLE OF CONFIGURATION WITH AT COMMAND eeeeeee rennen enne 37 0 04 IBXAMPLEORTCPCONNECTION iistontibstssdictton incendit edat e un bue noses 37 6 04 Example Of ACUVOAXCOHHECHONH s uitium PEDI LED LM LIS EAE 37 0 6 2 Bbxampleof passive COnnectiOR a obe ea Le ea ettet ue etn abi estet pesa ue teg aos 38 Os IJBXAMPLEORTCDP DISCONNECTION 535 05 8 roter Hed voee ere pedit ueteri toda is io eo2. y M DATA DEF TCP IP DATA ABC Serial Remote Host Devies equest TCP connection Accetp TCP connection connected M meme DATA DEF TCP IP DATA ABC ATC connection sequence passive connection 2 00 Set the following for ATC mode em E Local IP Address IP address of EZL 50L Subnet Mask Gateway IP IP Address Address Server mode Peer Port Peer port number to connect Data bit length Serial Por ezTCP Mode Communication mode ATC 1 IP address of gateway Communication Mode Limit time to keep connection Configuration Rem lud idm 3 function Method Password exConfigpassword 0 password Select to receive EZL 50L IP address as DHCP DHCP ee Select to receive EZL 50L IP address as PPPoE PPPoE er See 6 ATC Mode EU 9 9 COD Connect On Demand In COD mode the EZL 50L functions as a client When data of the pre specified size CONN BYTE comes to the serial port the EZL SOL 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 comm
3. 10Base T Differential Input IN 10Base T Differential Output OUT 10Base T Differential Output TP OUT Connect Notifier During Connection Low TXDE for interface with RS485 P When Transmitting to the UART HIGH In System Z Programming Active Low s It is OK that Recommended Connection is not connected but we strongly recommend to connect those 1 4 1 Power DC 5V is used for EZL 50L 1 4 2 Ethernet Interface EZL 50L has a 10Base T Ethernet interface It is necessary additional circuit for an Ethernet interface For the information of the RJ 45 with pulse transformer P02 102 17C9 visit our website http www eztcp com R 3 uasrpasdas A 6nLI ZU l 2 d AU90T EOT HI DDA 4h t J 3E BE Y SB P E EZL 50L Ethernet interface TOP view 1 4 3 I O Interface Name Description IP is not allocated Repetition of after repetition 4 times for 150ms HIGH during 850ms During TCP connection LOW ISP Mode Repetition HIGH LOW for 50ms LINK LED When connected to LAN LOW RX LED There are data on LAN HIGH TX LED Packets are transmitted to LAN HIGH During TCP connected LOW During TCP disconnected HIGH During data transmitted to serial HIGH For interfacing RS485 chip TXDE 1 4 4 Ethernet Address MAC address Ethernet devices have unique 6 bytes hardware address The hardware address of EZL 50L is set in the facto
4. You can perform test run according to the following orders The test run described here is based on the assumption that the user uses EVB with EZL 50L and the IP address of the PC is set to 10 1 0 2 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 Installation EZL 50L Connect the supplied RS232 cable between your PC and EVB the LAN cable to the hub to which the PC is connected or directly to the PC with a cross over cable and the supplied EVB power adapter to EVB for power supply If the LAN cable has been correctly connected when power is supplied LINK LED turns on 2 2 3 Configuring EZL 50L Configure EZL 50L setting using ezConfig the ezTCP configuration program as follows 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 2s Select the corresponding MAC address and set the same as shown in the following figure and click Write button to save the settings ezConfig v4 0a 01 Aug 7005 LOCAL REMOTE MAC Address Local IP Address ezI LP Mode WLAN Mode Tbe opo eoe T25 0 M sm iv Subnet Mask Local Port Target SSID 25 0D 0 D 1470 sea
5. a b c d alas 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 50L should be correct to succeed in ping test 3 2 3 Example configuration of ezConfig REMOTE e Input the IP address of EZL 50L in IP address field in the REMOTE tab and press Read button Then following window will be appeared ez nnfig searching ez TC P d If the EZL 50L is found the following will be shown ezConfig v4 0a 01 Aug 2005 LOCAL REMOTE IP Address Lacal IP Address ezT CP Made WLAN Mode a i i i 10 1 0 1 T 25 0 w Subnet Mask Local Part Target SSID 255 Oy Da Search List Gateway IP Address Timeout i Ad hoc Master SSID Peer IP Address Conn Byte i Channel ENFENFENEE Reserved Peer Part i WEP Password Flow Control pHCF PPPoE v ezCFG V LAM OWE v Remote Search sas ARP Telr ZA Comment L O Options Configure variables and press Write button 22 3 3 3 4 3 5 AT command In ATC mode the user can set environment variables through the serial port using AT command s For more information See 6 ATC Mode Setting IP Address related Items by
6. supports only UDP broadcast 18 UDP broadcast UDP unicast port 50005 With MAC address with IP address l Can be used in a different location In the same network with EZL 50L network The functions of ezConfig s buttons are followed Search ez TCP This button is used to search for all of the network attached ezTCPs The search results will be displayed on the Search 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 of ezTCP will be displayed on the right side LOCAL tab You can see only the ezTCP configuration values if you press this button after entering the 6 digit hexadecimal number printed on the ezTCP 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 REMOTE tab Reading environmental variables with the IP address 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 Terminating ezConfig _ Change PWD ezTCP provides User Authentication function to prevent an unwanted person from modifying the configuration The authentication process is performed through t
7. Configuration by ezConfig 3 2 1 ezConfig Menu 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 1s the screen shot of ezConfig which is just launched ezConfig v4 0a 01 Aug 2005 LOCAL REMOTE MAC Address Local IP Address ezT CP Made Serial Type WLAN Mode 30 4 Subnet Mask Lacal Part Baudrate Target SSID a l 0 807 NENNEN search List Mu IP Address Timeout Parity Ad hoc Master 5510 Peer IP Address Conn Byte Data Bits Channel Reserved Peer Port Stop Bit WEP Password Flow Control Options Comment Search ez TCF i y ezConfig can set not only EZL 50L s environmental variables but also other ezTCP Series ezConfig configures ezTCP by Ethernet there are two way to configure The first way is UDP broadcast When using UDP broadcast user can search all ezTCPs in the same network without knowledge of IP address But beware that it can be used in the same network This method performed in the LOCAL tab of ezconfig version above 4 0 The second way is UDP unicast that communicates by IP address As it configured with IP address EZL 50L 1s configured any place 1f they are connected with network This method performed in the REMOET tab of ezconfig version above 4 0 ezConfig below version 4 0
8. DHCP Under environment 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 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 50L is assigned automatically in PPPoE environment V Some ADSL or VDSL modem use DHCP Please contact your ISP Internet Service Provider aes 4 Operation Mode 4 1 Operation Mode Overview 4 1 1 Overview EZL 50L can operate in one of two modes normal and ISP modes Normal mode is ordinary data communication mode and ISP mode is used to download EZL 50L firmware through the ethernet TFTP 4 2 How to Initiate Each Operation Mode 4 2 1 How to Initiate Normal Mode Normal mode is a mode in which EZL 50L performs its original functions If ISP 1s HIGH when EZL 50L boots up EZL 50L operates in normal mode For more information see 5 Normal Communication Mode 4 2 2 Entering ISP Mode Supply power or reset to EZL 50L with ISP pin LOW If EZL 50L operates as ISP Mode Status repeats HIGH LOW state rapidly 4 2 3 Comparison of Operation Mo
9. EZL 50L User s Manual Version 1 0 2 Sollae Systems Table of Contents le OVERVIEW m E M 5 kel OVERVIEW PH 5 1 2 COMPONENTS cues Ar icona cuota stat ibt T cmo tdeo 6 1 3 SPECIFICATIONS saa S E A N uel eandsioeeaeieeie 6 1 4 INTER PA CE Poyoni a T E ET OE ETTO 6 VES NEN LOU UL EC 7 dA PINEL OCC PRETI A 8 TASS LOIMAA E a a EE 8 Lu EthernetAddress MAC address hice Ba cli teak Ne a Bis ei its a ted 9 LAJ Hardware Flow Control ES CLS elo sient ted hen etos bana A to hated tester decia as 9 1 5 PE EVALUATION BOARD SE 1rd iet oorr vac oed ot etie oie R 9 Faas Goo DUC 9 boze Aher lana Onr OF LVAD cese scite estt esu oe or er a ade a op UE LE SE 10 2 INSTALLATION AND TEST RUN eieiei aroa aa a a 11 Zh INSTALLATION METHOD porion na inu baden Cives si uet brcbe phare do emat ona RM ede Grape Ds ated 11 2 1 1 Checking the Communication Environment ssssssss eene II 209 CONNEC T0168 NeWOEI ssstoidto deles metit aida tic ier oa ta ciet etre Meta II 2 1 3 Configuring the Environmental Variables sssssssseenn 12 212 TEST RUN Sei brodo ieeios ph buc ivoneiu NA E E ticae outs 12 22 Chane mE Pe TP VdAdablesscssnetatamete tte tamea uisi dies etes tise I2 22 MISO ON E Zi NOU ettet tacente E ime nde os we Dosa td foie nde ee emia 12 22 05 COMP SUTIN EXE Vesa er saa uM E M I2 22H Connectncio The d C Serial POR xi
10. anging Online State to Online Command State To change online state to online command state during the connection string should be transmitted to EZL 50L as following time interval When transmitting string to EZL 50L string will be sent to peer host The time from final data the first data of No data over 500ms guard time E 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 50U s state is in online command state during TCP connection EZL 50L s state can be changed into online state by an ATO command 6 5 Example of Configuration with AT Command C same 0 nesmm C psemueienssrawece gt Sang LOCAL aes O Cpeeanocgear commndok C seraeaesuzsene p ssmeoxmwAYWaes Cweanocgear esmeok C sesswassassassexce gt samesumErMAS Upweanocegear commndok C semraeece gt Sating Local pont Lcaearoccear Comming ok Krone p Seng TIMEOUT Laearocccar CommandoK 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 g
11. d Therefore EZL 50L communicates several hosts alternatively And also it provides 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 a GED The response code to AT command is followed GED EET Response Message When ATVI Gnitial seing When ATVO CONNECT o emmeiok OOS Set value Set value example AT PRIIP 6 2 Basic AT Command Set Example ATA ATD etc Description V enable result code Result code numeric V0 alphabetic V1 235 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 50L convert TCP Online State and send to ethernet 6 4 1 Ch
12. des The following table is the comparison of the above described operation modes Normal data communication mode normal User setting T2S ATC COD U2S Supply power or l Download firmware through the ISP reset with ISP 19200bps N 8 1 ethernet LOW 4 3 Normal Communication Mode Normal communication mode is suitable for the purpose of using EZL 50L Normal communication mode can be classified into four modes T2S ATC COD and U2S each of which is described in the following table sod Need for User Configuration of Communication Equipment Environmental Protocol Connection Topology Mode Software Variables through Modification Serial Port Passive Connection Active Passive l TCP l Needed Possible 1 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 d For more information on communication modes refer to the next chapter 4 4 ISP Mode In ISP mode you can download the latest firmware EZL 50L operation software provided by our company The following secti
13. duct 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 yo Warranty 7 2 1 Refund Upon the customer s request to refund the product within two weeks after purchase Sollae Systems will refund the product 7 22 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 1s due to user s fault repair service fees will be charged or the product will be replaced at user s expense 7 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 7 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 EC 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 b
14. e EZL 50L is installed e Permitted IP Address It is a permitted IP address of foreign host when EZL 50L operates as a server The only host that is written in this item can connect to EZL 50L If Permitted IP Address is 0 0 0 0 all hosts can connect to the EZL 50L e Local Port Port number which is used as TCP port number waiting to be connected when EZL 50L operates as TCP server or as the port number waiting for UDP data when it operates in U2S communication mode e Peer Port Local port number of the server to connect when EZL 50L operates as TCP client or to 15 transmit UDP data when it operates as U2S e Baudrate Selects a serial port speed 1200 bps 115200bps e 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 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 50L T2S ATC COD U2S d Conn Byte Decides a point of time to start connection when EZL 50L operates as COD EZL 50L 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 d Block Byte Decides the size of UDP packet to be sent at a time when EZL 50L operates as U2S e Timeout When EZL 50L ope
15. he password string verification When entering or changing the password strings you can use this button Changing the ezTCP configuration details if a password 19 has been entered requires the proper password to be entered in the PASSWORD field VI f you forget the password erase or reenter in ISP Mode This button is used to read a dynamic status 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 Search List will carry out the same function 3 2 2 Example configuration of ezConfig LOCAL ezConfig can be used to change the IP address related items the serial port setup value the serial port operation mode 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 ezContig searching ez TCF 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 correct
16. host can be accessible If Permitted IP Address is 0 0 0 0 any host can connect to EZL 50L Remote Host ezTCP Serial Device Listen on loca port Request TCP connection Accept TCP connection Ignore data before connection connected DATA ABC DATA ABC TCP IP DATA DEF TCP IP DATA DEF lt T2S connection sequence 728 Set the following for T2S mode Te eei Local IP Address IP address of EZL 50L Gateway IP IP address of gateway IP Address Relate Address Items Port number for waiting to be Local Port l connected in Server mode Permitted IP Permitted host to connect Communication mE ezI CP Mode Communication Mode T2S 0 ode Disconnection Timeout Limit time to keep connection i function Configuration Method Password ezConfig ezConfig password Select to receive EZL 50L IP address DHCP as DHCP Dynamic IP Select to receive EZL 50L IP address PPPoE as PPPoE qu Du ATC AT Command In ATC mode the user can control the EZL 50L 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 Remote Host F Device aet IFP and port by using AT commands Request TCP connection Accept TEP connection
17. ived 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 Remote Host ezTCP Serial Device OEE EE EE AB 5 Bms es DATA ABC UDP DATA A UDP 1Oms 9ms Los AT DATA BCA UDP lt U2S Transmission sequence Block 3 Interval 1 gt 2097 Set the following for U2S mode mem Dopin o o Local IP Address IP address of EZL 50L Subnet Mask IP address d d IP address of gateway Address Related Item Local Port Port number for UDP data receving Peer IP Address Peer IP address to transmit Serial port speed bps Data bit length Serial Port Flow Control Flow control Communication Mode UDP block size to transmit unit byte Packets Data gathering time from serial port to Interval l l transmit as UDP unit 10ms ezTCP Mode Communication mode U2S 3 Configuration Enable ezConfig function Method ezConfig password sad 6 ATC Mode 6 1 Overview EZL 50L 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 comman
18. ly then try pressing Search or Read button e7Contig Secale ez CF 3ez CPis found V It is impossible to use ezConfig if EZCFG check box ts disabled This function can be 20 re enabled in ISP mode eo If more than one ezTCP are detected ezICP s MAC ADDRESS will be displayed in the Search List box on ezConfig Check if the MAC ADDRESS displayed in the Search List window corresponds to that printed on ezTCP main body The following screen shows this process Following is the screenshot when ezTCPs were found ezContig v4 0a 01 Aug 2005 LOCAL REMOTE MAC Address Local IP Address ez CP Made WLAN Mode lee ES T25 0 v 3l n Subnet Mask Lacal Part Target 551D Read 25 0 0 0 Sa 1470 search List Gateway IP Address Timeout i Ad hoc Master SSID DO 30 F3 00 00 07 DD 30 9 00 DD D4 NUES po Peer IP Address Conn Byte Channel Reserved Peer Part i WEP Passward Flow Control NONE Ww DpHECF PPPoE ezCFG Remote Search ARF Comment L SOSA Search eaT CP Change FWD Options e Set ezTCP Mode Local IP Address Local Port and serial port related items After setting press Write button If there is any error during writing process check the LAN between PC and EZL 50L 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 W gt ping
19. ms baud rate data bit length parity bit flow control etc to EZL 50L You can set the IP address and the serial port related items by using ezConfig the supplied configuration utility which allows you to configure your EZL 50L over the network or by using AT commands in ATC mode Te meme Port number for waiting to be Local Port connected in Server mode Port number for waiting UDP data IP Address related IP address to connect in Client mode Items Peer IP Address IP address to send data in UDP mode Port number to connect in Client mode Port number to send data in UDP Peer Port mode Communication mE ezTCP Mode Communication Mode Mode Connect Disconnect Minimum number of bytes attempting Conn Byte Event to connect transmit sais ezConfig Enable EnableezConfigfunction function r n Remote configuration function with Cont ti emote Searc ontiguration UDP unicast Method Used Enable IP setting by ARP Select to receive EZL 50L IP address DHCP as DHCP Dynamic Select to receive EZL 50L IP address PPPoE Address as PPPoE PPPoE ID amp ID and password to be used for Password PPPoE e Local IP Address IP address of EZL 50L If you set DHCP or PPPoE is set an IP address is automatically allocated So you cannot set the local IP address e Subnet Mask Sets subnet mask of the network where EZL 50L is installed e Gateway IP Address Sets the gateway IP address of the network wher
20. n 38 0 7 EXAMPLE OF activoudiscoOnneotton so v E 38 0 2 Example of passive disconnection rna aT daira E ea ps es en arte clas 38 7 TECHNICAL SUPPORT WARRANTY AND NOTES ON OPERATION 39 Tels TBCHNIC AE SUPPOR Tocino ienr i oboe imb altvat riim in subita alice M qd bomi p aMMEs 39 Td WARRANTY sta cct costes tu date pti hs hec U epu E ES et Aad ande Do con o edet tud au uo sucbut Babine aae iae 39 uo recitetur tA tae atta Seti M ecco thiet chica tel M Ecce ctetu cta eee tr celos 39 uz JIEBOJUODUll SOEVICOSa e oh sd A aisi bud S edo ins Uhl g he nda aee cle ne te Lu ces 39 7 2 9 Chareed KPa SCIVICES seated ada idus thacunsneata debut ia ie wis theca rence oahu 7 2 4 Notes on Operation 1 Overview bd 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 possible 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
21. on describes how to download firmware in ISP mode e Supply power or reset to EZL 50L with ISP pin LOW If EZL 50L operates as ISP Mode Status repeats HIGH LOW state rapidly e Run hotflash that is supplied by Sollae Systems hotflash IP addr 10 TIHEOUT E FILE orr 25 Select a firmware in the FILE menu and input the IP address of EZL 50L and press SEND button Then the firmware will be transferred by Ethernet IP addr ZH E TIMEOUT BENBNEENEENEEEE e After completion a message that informs the firmware was downloaded successfully And EZL 50L reboots automatically and run in Normal Mode In Normal Mode Status is blink every 1 second hotflash AN 38912bytes download OK e After completion download reset with ISP HIGH 205 5 Normal Communication Mode 5 1 T2S TCP To Serial When a host connects to predefined local port the EZL 50L accepts a TCP connection When the EZL 50L 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 To limit the peer host user should set Peer IP Address The only pre defined
22. rates 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 0 unit second e Interval When EZL 50L operates as UDP like U2S it transmits data in blocks by gathering data for the time set to this item unit 10ms 216 ezConfig You can use ezConfig utility only this item is enabled If this item is not enabled you cannot set EZL 50L using ezConfig Therefore it is recommended to enable this all the times To enable ezConfig set this item in ISP mode d Remote Search If this item is set EZL 50L in other network can be configured by ezConfig Remote Search function is performed in the REMOTE tab e Password Sets a password for configuring with ezConfig If user forgot the password the user can delete the password in ISP mode e ARP When this item is selected EZL 50L uses the destination IP address of the first packet coming to its MAC address as its own IP address temporarily This item should be set in DHCP environment if required e DHCP Set to receive an IP address as DHCP e PPPoE Set to receive an IP address as PPPoE e PPPoE ID amp Password Sets ID and password used for PPPoE EZL 50L uses maximum 32 byte for saving an ID and 8 bytes for a password o Comment Stores maximum 32 byte user comment on the product This item helps the user distinguish each EZL 50L more easily ad 3 2
23. rch List Gateway IP Address Timeout i Ad hoc Master SSID 00 30 par 00 00 07 i T 0 g MEN p 00 30 F9 00 00 04 Feer IF Address Conn Byte i Channel 0 0 0 0 Reserved Peer Port i WEP NNNM Password Flow Control BHCF PPPoE ezL Fa Remote Search ARP Comment L O Search ezTCP Change PWD Options 2 2 4 Connecting to the PC Serial Port Connect the serial port of your PC and that of EVB 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 50L 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 EVB 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 218 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 ite
24. ry The hardware address cannot be modified The address is printed in top of PCB of EZL 50L 1 4 5 Hardware Flow control RTS CTS If RTS CTS 1s set the EZL 50L operates as follows There s are available receiving buffer of EZL 50L LOW Their is no available receiving buffer of EZL 50L HIGH This signal 1s connected to counter side device s RTS output port LOW EZL 50L sends data to serial port HIGH EZL 50L doesn t send data and wait until CTS is LOW 1 5 The Evaluation Board Set The evaluation Board EVB is for testing with PC when user develops with EZL 50L User can test with PC if EZL 50L is inserted in EVB power on with 5V adapter connect RS232 cable to PC and connect Ethernet cable to hub 1 5 1 Components e Evaluation Board e RS 232 cable e 5V SMPS adapter 1 5 2 The Explanation of EVB nada DBI 85232 RESET CONNECT LED LAM IX LED POWER 5 W LAN FX LED NOD e E aum i hii a TER x LIEK LED gt am STATUS LED 118 le E wima E da EN 1 SILL DAL Pw Es Ezsllam prte Lr Lid y DEITIIZSLLLLIAIS ILE BLULNEUECETUNTTTEDYWECEEETUTUONES siie 2 Installation and Test Run 2 1 Installation Method You can install EZL 50L in the following steps L IP address environment Checking E Checar Serial port settings communication Application program to be environment ised Check if LINK LED is Connecting to the Check method 1 4 4 ON network Set by ezConfig a utilit
25. 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 50L in ezTCP product group is a product that provides TCP IP communication through Ethernet In other words like other ezTCP products EZL 50L sends data from the serial port to the LAN after TCP IP processing and vice versa It provides DHCP and PPPoE functions as well as TCP UDP IP so that it can be applied to the cable network and the xDSL network EZL 50 is a modular and embedded type that is embedded in user s systems 1 2 Components EZL 50L Body e RJ 45 with pulse transformer option EZL 50 Evaluation set option 1 3 Specifications Input Voltage SV 1096 Power 50mm x 32mm x 11mm Serial 2mm pitch 1x12 connector Interface Network 2mm pitch 1x12 connector UART 1200bps 115200bps TCP UDP IP ICMP ARP DHCP PPPoE TCP Server Mode TCP Client Mode TCP Server Client Mode Communicat ion Mode AT command emulation UDP ezConfig Configuration utility via LAN Utilities ezterm Socket test utility NO un hotflash Firmware download utility via TFTP s You can download free utilities and firmware from http www eztcp com 1 4 Interface 50mm GND TP IN TP IN GND TP OUT TP OUT GND RX LED TX LED4 LINK LED STATUS vec Recommended mandatory l connection Power Input DC 5V 10Base T Differential Input
26. ssscoutd tacet sei bc onu bocatte cilius Uem s tanita 13 E NES CDI NIIT 13 3 CONFIGURING IP ADDRESS AND ENVIRONMENTAL VARIABLES 14 S IP ADDRESS AND ENVIRONMENTAL VARIABLES eeeeeeeeeee e eene eene nnne 14 922 CONFIGURATION BY EZCONEIG s actetestietlenateitodesti geo hedelocib diete chub ctas iec nitas 18 Ids C Om E MNU m m 18 3 2 2 Example configuration of ezConfig LOCAL cccccccccccccccccccccccceeececeeeeeeeeeeeeeeeeeeeeeeeeees 20 3 2 3 Example configuration of ezConfig REMOTE ssssssssss e 22 3987 el COMMAND oiin oben rent egt fette ventre odes 23 3 4 SETTING IP ADDRESS RELATED ITEMS BY DHCD eese 23 3 5 SETTING IP ADDRESS RELATED ITEMS BY PPPOE eese 23 4 OPERATION MODE oa viii eei uot ERES RES E AeY RE EET ESTER kEur TEES IA Y YS Nee ae e YS ees eua Tae YR eS EY EUR 24 4 OPERATION MODE OVER VIE Wess exeo cupa t Scis ER Ben atu coves SEU sens Batu S Bd Rage pa Oud oae 24 Sedel OVT W P ER 24 42 HOW TO INITIATE BACH OPERATION MODE wssiosicss svat cacanositesoutal Gieeohsdasoucaceniaientnastalas 24 Bid TIOW LOMMIMALC Normal MOL Caina e uM CD REM ML 24 4v AMTETS MOI Sad tieiet t dlutiebet uia ien ideis divae heats late iiec tut Ud 24 4 2 3 Comparison of Operation Modes sesenta 24 43 NORMAL COMMUNICATION MODE 551 tiec toast ie bledala eine bo tinte tain A 24
27. t 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 a ATDT lt CR gt gt Connecting to the host zo Attempting to connect to the host E 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 Set LOCAL PORT to listen Cerere Command OK DATAKRB ss Passive connection command Listen on local port from a host A host connects to EZL 50L E lt CR gt lt LF gt CONNECT lt CR gt lt LF gt a TCP connection OK 6 7 Example of TCP Disconnection 6 7 1 Example of active disconnection EZL 50L disconnects the connection O e O eem Data Communication during TCP connection Changing online state to online command guard time guard time State E lt CR gt lt LF gt OK lt CR gt lt LF gt L Changed to online command state Lima o e 1erdscomnecion commun 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 C omms 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 sd Rc 7 Technical Support Warranty and Notes on Operation 7 1 Technical Support If you have any question regarding operation of the pro
28. unication Remote Host ezICP Serial Device Listen aem DATA AB Request TCP connection DATA C B Accept TCP connection connected WX wo l bb x kk 3 49 9 Udo e M M IL i oU Dd VIDEA eo WIR AD WO RARE oe Ac e Voci dob d e Qoo ow R ode RA De LOU A o9 ORDRE oe ne ee s LAE i bee CE VE 9 de p AR od 9 oed AE ee Se DATA ABC TCP IP DATA DEF DATA DEF TCP IP DATA GHI TCP IP DATA GHI COD connection sequence Conn Byte 3 ESI Set the following for COD mode mem Description OOOO O Local IP Address IP address of EZL 50L Subnet Mask IP Address Gateway IP Related Item Address IP address of gateway Peer IP Address Peer IP address to connect Baudrate Serial port speed bps Serial Por ezTCP Mode Communication mode COD 2 Mode Connection Conn Byte Bytes for starting to connect Disconnection Timeout Limit time to keep connection Configuration Enable ezConfig function Method e7Config password Select to receive EZL 50L IP address as dius PPPoE EN On 5 4 U2S 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 rece
29. y program for configuration 3 2 Configuration through the network 3 method Set by AT commands in Configuring the ATC mode environmental IP address related items variables Configuration Serial port related items items Communication mode Decided depending on application program 4 Application to the field 2 1 1 Checking the Communication Environment Before installing EZL 50L check the network environment where EZL 50L is to be installed including the followings matters e IP address environment local IP subnet mask gateway etc e Serial port items of the equipment to which EZL 50L is going to be connected baud rate data bit parity stop bit e Application program protocol to be used TCP UDP server client etc e For application program protocol to be used see 5 Normal Communication Mode 2 1 2 Connecting to the Network Connect power to EZL 50L and connect EZL 50L directly to the Ethernet port of the mE PC where test is to be performed with a cross over Ethernet cable 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 For environmental variable configuration see 3 Configuring IP Address and Environmental Variables 2 2 Test Run
30. y 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 40
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