Epson UB-E02 Technical Reference Manual
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Epson UB-E02 Technical Reference Manual

10base-t/100base-tx ethernet interface board
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UB-E02
Technical Reference
Guide
10Base-T/100Base-TX
Ethernet Interface board
English
EPSON
404999001

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Summary of Contents for Epson UB-E02

  • Page 1: Technical Reference Guide

    UB-E02 Technical Reference Guide 10Base-T/100Base-TX Ethernet Interface board English EPSON 404999001...
  • Page 3 Neither is any liability assumed for damages resulting from the use of the information contained herein. Neither Seiko Epson Corporation nor its affiliates shall be liable to the purchaser of this product or third parties for damages, losses, costs, or expenses incurred by the purchaser or third parties as a result of: accident, misuse, or abuse of this product or unauthorized modifications, repairs, or alterations to this product, or (excluding the U.S.)
  • Page 4 Revision Information Revision Page Altered Items and Contents Rev. A Rev. A...

  • Page 5: About This Guide

    UB-E02 Technical Reference Guide About This Guide This guide is intended to provide all information necessary for system planning, design, installation and application of the UB-E02 for designers and developers of POS systems. Contents of the Guide The configuration of the guide is as follows: Chapter 1, “System Preparation”...

  • Page 6: Emc And Safety Standards Applied

    EMC and Safety Standards Applied Product Name: UB-E02 Model Name: M155B The following standards are applied only to the interface boards that are so labeled. (EMC is tested using the EPSON power supplies and TM series printers.) Europe: CE marking North America:...
  • Page 7 UB-E02 Technical Reference Guide CAUTION: Connecting an outdoor overhead LAN cable directly to your product Connecting an outdoor overhead LAN cable directly to your product may lead to lightning damage. If you need to connect such a cable to your product, the cable must be protected against an electrical surge between the cable and your product.

  • Page 8: Safety Precautions

    Safety Precautions This section presents important information to ensure safe and effective use of this product. Please read this section carefully and store it in an accessible location. CAUTION: Be careful to avoid dropping conductive objects such as paper clips on the circuit board, as they could short circuit connections and cause damage from excessive current.

  • Page 9: Operating Environments

    UB-E02 Technical Reference Guide Introduction The UB-E02 is the 10Base-T/100Base-TX Ethernet interface board designed for the EPSON ® printers. The board lets you connect your EPSON printer directly to your network and use it as a kitchen printer. Operating Environments Supported Operating Systems ®...
  • Page 10 Supported TM Printers The following printers can use the UB-E02. (The TM-J8000, TM-T285, and RP-U420 cannot use the UB-E02. For new models, please ask your dealer.) TM-U200 Series TM-U210 Series TM-U230 TM-U325 TM-U590 TM-U675 TM-T88/T88II/T88III TM-T90 TM-H5000/H5000II TM-H6000/H6000II TM-J2000/J2100 TM-J7000/J7100 TM-J7500/J7600 TM-L90 viii...
  • Page 11 3. Set the functions of the UB-E02. See Chapter 5. 4. To set the functions of the UB-E02 using the EPSON TMNet WebConfig utility, you need to use Microsoft Internet Explorer. If it is not installed, install it, referring to the browser’s manual.

  • Page 12: Table Of Contents

    EPSON TMNet WebConfig Functions ........
  • Page 13 UB-E02 Technical Reference Guide Chapter 5 Specifications Printer Connection ........... . 5-1 Line Display Connection .
  • Page 14 xii Contents Rev. A...

  • Page 15: Chapter 1 System Preparation

    UB-E02 Technical Reference Guide Chapter 1 System Preparation 1.1 Supported Operating Systems Microsoft Windows 95, Windows 98 Second Edition, Windows 2000 Professional, and Windows XP Professional Windows NT 4.0 1.2 Supported Network Protocols Socket printing (port 9100 for OPOS) 1.3 Supported TM Printers The following printers can use the UB-E02.

  • Page 16: Other Limitations

    The following printers cannot use the UB-E02. TM-J8000, TM-T285, RP-U420 1.4 Other Limitations Be sure to note the following: When the UB-E02 is installed, the display module connector (DM-D) of the TM printer cannot be used. CAUTION: Do not connect the Ethernet connector cable to the display module connector (DM-D) or the drawer kick-out connector.

  • Page 17: Chapter 2 Installation

    UB-E02 Technical Reference Guide Chapter 2 Installation 2.1 Installation Precautions WARNING Before installing, disconnect the Power Unit from the TM Printer (as well as turning the power switch off). Even when the power switch is off, voltage is still present at some points on the circuit board.

  • Page 18: Unpacking

    2.2 Unpacking UB-E02 UB-E02 User’s Manual 2.3 Part Names Power supply connector of the printer LED (green) LED (yellow) Drawer kick-out 10BASE-T/100BASE-TX Switch connector of the printer Ethernet interface connector Note: This photograph shows the TM-T88III printer with the UB-E02 installed. 2.4 Functions The switch and LEDs of the UB-E02 provide you with important information on operation and status of the UB-E02.

  • Page 19: Ub-E02 Installation

    UB-E02 Technical Reference Guide 2.5 UB-E02 Installation CAUTION: Before installing the UB-E02, be sure to set the DIP switches or Memory switches as shown in the table below. For other models, please ask your dealer. Model Setting TM-U200 Series DIP SW 2-8: ON...
  • Page 20 remove screw remove screw 3. Tighten the screws. If you have removed an interface circuit board that was already installed, fix the UB-E02 using the removed screws. 4. Plug the twist pair cable into the 10BASE-T/100BASE-TX Ethernet connector of the UB-E02 until it clicks.
  • Page 21 UB-E02 Technical Reference Guide Note: When initializing the UB-E02 by turning off the power and then turning it back on or by resetting the printer, there is a waiting time until the network starts operating. During this time, all the communicating functions of the network do not work.
  • Page 22 7. Print a status sheet to check whether the UB-E02 is installed correctly by holding the switch down for more than 3 seconds when the printer is ready for printing. The version of the UB-E02 and its settings are printed. See “UB-E02 Status Sheet Printing” on page 7 of this chapter.

  • Page 23: Initializing Ub-E02

    UB-E02 Technical Reference Guide 2.6 Initializing UB-E02 All the parameters of internal settings for the UB-E02 can be set to the factory default values. Follow the steps below: 1. Turn off the printer power. Be sure to confirm that the LED lights are off.

  • Page 24: Faq

    2.8 FAQ 2.8.1 Q1. The printer does not operate correctly. ("Serial interface" is printed by the self test for the printer.) 2.8.1.1 A1. For TM-T90, TM-L90, TM-J2000, TM-J2100, TM-J7000, TM-J7100, TM-J7500, and TM-J7600, set the #25 pin reset signal of the Memory switch set to disabled. For other models, use the printer with the #31 pin reset signal of the DIP switch for parallel interface enabled.
  • Page 25 UB-E02 Technical Reference Guide 2.8.3.1 A3. When the auto setting is set for IP address acquisition without a DHCP server, starting up the printer takes about one minute. During this time, the self test for the printer is not performed. Set the manual setting for IP address acquisition where the DHCP server is not available.
  • Page 26 2-10 Installation Rev. A...

  • Page 27: Chapter 3 Utilities

    Utilities 3.1 Setting the IP Address To use the UB-E02 with TCP/IP, you first need to set its IP address. You can set the IP address by using the EPSON TMNet WinConfig or arp/ping command. arp/ping command UB-E02 Refer to page 3-11...
  • Page 28 Windows 95 1. Double-click the Network icon in the Control Panel; then check whether TCP/IP is in the list of installed network components on the Configuration menu. If it is already installed, click Cancel and skip to the Installing TMNet WinConfig section. If TCP/IP is not in the list, click Add.
  • Page 29 Make necessary settings, such as the IP address and subnet mask. Ask your network administrator for the settings such as the IP address. Note: After the TCP/IP is installed, restart your computer and move on to the Installing EPSON TMNet WinConfig section. Rev. A...
  • Page 30 Windows NT 4.0 1. Double-click the Network icon in the Control Panel to check whether the TCP/IP Protocol is installed. If it is already installed, click Cancel and skip to the Installing TMNet WinConfig section. If the component is not installed, click Add. 2.
  • Page 31 4. When the installation is complete, check items such as the IP address to make sure they have been entered correctly. Note: After the TCP/IP is installed, restart your computer and move on to the Installing EPSON TMNet WinConfig section. Windows 2000 1.
  • Page 32 3.1.1.2 Installing EPSON TMNet WinConfig Note: After the EPSON TMNet WinConfig is installed, if you add or remove protocols or services, the EPSON TMNet WinConfig might not work correctly. In this case, uninstall the EPSON TMNet WinConfig and reinstall it.
  • Page 33 Installation with Windows 95 1. Unzip the file and start Setup.exe. 2. Install the EPSON TMNet WinConfig, following the instructions shown on your display. 3. When the installation is finished, click a check box, if necessary and then click Finish.
  • Page 34 1. Make sure Windows is running, the UB-E02 is connected to the network, and the printer is turned on. 2. Click Start, point to Programs, point to EPSON TMNet WinConfig; then click EPSON TMNet WinConfig. 3. Click the printer where you want to set the IP address, and then click the Configuration button.
  • Page 35 UB-E02 Technical Reference Guide CAUTION: When you cannot check the MAC address on the label on the UB-E02 that is installed on the printer, be sure to finish the TM Net WinConfig by clicking Close from the Device tab; then turn off the printer and remove the UB-E02 to check it.
  • Page 36 UB-E02. 9. The update is complete when the message “Configuration is successfully done” appears. Note: To get the information for the UB-E02 for the other segments, refer to the EPSON TMNet WinConfig Functions section. 3-10 Utilities Rev. A...

  • Page 37: Setting The Ip Address Using The Arp/Ping Command

    UB-E02 Technical Reference Guide 3.1.2 Setting the IP Address Using the arp/ping Command You can set the IP Address using the arp/ping command. This way of setting is available with the host, which is in the same segment as that of the UB-E02.
  • Page 38 Bytes=32Time<10ms TTL=255” is shown. (The time indication will vary.) 6. Check if the IP address shown is 192.168.100.201. Now, setting the IP address is complete. Next, set the default gateway and Subnet mask for the UB-E02, referring to the EPSON TMNet WebConfig Functions. 3-12 Utilities Rev. A...

  • Page 39: Epson Tmnet Winconfig Functions

    UB-E02 Technical Reference Guide 3.2 EPSON TMNet WinConfig Functions This section describes the functions, including options of the EPSON TMNet WinConfig. The main dialog box is shown below. Item Explanation Tree view The tree structure indicates the printer list. It consists of [All], which indicates everything and [NEW], which indicates the printers newly added.

  • Page 40: Menu Bar

    3.2.1 Menu Bar The table shows each item and its function. Menu Sub Menus Explanation Device Setting Start the setting of the UB-E02 selected Launch Browser Start up the TMNet WebConfig Close Applications Close the TMNet WinConfig Indication Update Find the printers and update the list to show the latest information.
  • Page 41 UB-E02 Technical Reference Guide Search Options If you want to show and set a UB-E02 that is controlled by TCP/IP and is outside the local network, input the specific address in the Search Options to find that UB-E02. The settings and values stored are effective after executing Update in Indication menu or restarting the EPSON TMNet WinConfig.
  • Page 42 3.2.1.2 Settings Printer You can set the printer name. This also shows printer information. Item Explanation Printer name Set the printer name. Model name Shows the printer model name. Printer ID Shows the printer ID. Printer type Shows the printer type. Version Shows the ROM version.

  • Page 43: Print Server

    UB-E02 Technical Reference Guide Print server You can set administrator information. This also shows the printer server information Item Explanation Administrator name Shows the administrator name. MAC address Set the administrator name. Hardware version Shows the version of the UB-E02.
  • Page 44 TCP/IP You can set the TCP/IP. Item Explanation Get IP address Auto or Manual is selectable for the UB-E02. Set by PING Check the box if the setting of the UB-E02 by arg/ping is permitted. Subnet mask Set the subnet mask of the IP address. Default gateway Set the gateway.
  • Page 45 UB-E02 Technical Reference Guide Password The EPSON TMNet WinConfig can set a password to protect the UB-E02 settings. The screen shown below appears when you click OK or Return to Default. When you set the password the first time or you change the password, click the Change button.

  • Page 46: Epson Tmnet Webconfig Functions

    This section explains each function of the EPSON TMNet WebConfig. Note: Launch a browser and input the IP address of the UB-E02. Be sure not to launch the EPSON TMNet WinConfig at the same time. Address: http://(IP address of the UB-E02)/ Note: Be sure to use Microsoft Internet Explorer 5.0 or later.
  • Page 47 UB-E02 Technical Reference Guide Item Explanation Information General Show the UB-E02 information. TCP/IP Show the TCP/IP information of the UB-E02. SNMP Show the SNMP information of the UB-E02. Configuration TCP/IP Set the TCP/IP of the UB-E02. Network Community Set the community.

  • Page 48: Protocol Information And Settings

    3.3.2 Protocol Information and Settings 3.3.2.1 General Information Item Explanation Administrator Shows the administrator name. name Location/Person Shows the location or user name. Interface card Model name Shows the name of the interface card. MAC address Shows the MAC address of the UB-E02. Software version Shows the software version of the UB-E02.
  • Page 49 UB-E02 Technical Reference Guide 3.3.2.2 TCP/IP Information Item Explanation Get IP Address Shows the method of setting the IP address. Set using Automatic Shows the APIPA setting. Private IP Addressing (APIPA) Set using PING Shows the settings of prohibition and permission by the arp/ping command for the UB-E02.

  • Page 50: Snmp Information

    3.3.2.3 SNMP Information Item Explanation Community Read Only Shows he Read Community information. Read/Write Shows the Read/Write Community information. IP Trap Trap 1 Shows the Trap 1 information. Address Shows the Trap 1 Address. Community Name Shows the Trap 1 Community Name. Trap 2 Shows the Trap 2 information.
  • Page 51 UB-E02 Technical Reference Guide 3.3.2.4 TCP/IP Setting Item Explanation Get IP Address Select the method of acquiring the IP address. Set using Automatic Set APIPA able/disable. Private IP Addressing (APIPA) Set using PING Select when the setting of the UB-E02 by arp/ping is permitted.
  • Page 52 3.3.2.5 SNMP Communication Setting Item Explanation Community Read Only The setting is fixed to “Public.” Read/Write Set the Read/Write Community Name (up to 16 characters). 3-26 Utilities Rev. A...
  • Page 53 UB-E02 Technical Reference Guide 3.3.2.6 SNMP IP Trap 1 Setting Item Explanation Trap Set Trap 1. Address Set the Trap 1 Address. Community Name Set the Trap 1 Community Name. Rev. A Utilities 3-27...
  • Page 54 3.3.2.7 SNMP IP Trap 2 Setting Item Explanation Trap Set Trap 2. Address Set the Trap 2 Address. Community Name Set the Trap 2 Community Name. 3-28 Utilities Rev. A...
  • Page 55 UB-E02 Technical Reference Guide 3.3.2.8 Administrator Setting Item Explanation Administrator Name Set the administrator name. Location/Person Set the location or user name. Rev. A Utilities 3-29...

  • Page 56: Password Setting

    3.3.2.9 Password Setting Item Explanation Old Password Input the old password. New Password Input the new password. Re-input Password Re-input the new password. 3-30 Utilities Rev. A...
  • Page 57 UB-E02 Technical Reference Guide 3.3.2.10 Reset Item Explanation Reset Resets the UB-E02 to its status when the power was turned on. Factory Default Returns to the factory default settings. Rev. A Utilities 3-31...
  • Page 58 3.3.2.11 Advanced Item Explanation Physical Layer Setting Set the communication method. 3-32 Utilities Rev. A...

  • Page 59: Chapter 4 Programming Samples

    UB-E02 Technical Reference Guide Chapter 4 Programming Samples This chapter describes the following: Method of printing to the UB-E02 Direct printing by PORT9100 Commands sent to a TM printer when the power is on Monitoring of the ASB status The rights of printing...

  • Page 60: Method Of Printing To The Ub-E02

    4.1 Method of Printing to the UB-E02 The UB-E02 has lpr protocol as its general print protocol. It is easy to print by using the lpr protocol because the printing is also supported by the operating system. However, the command statuses sent by the printer are ignored because the printing by lpr applies only to the output of the printer.

  • Page 61: Direct Printing By Port9100

    UB-E02 Technical Reference Guide 4.2 Direct Printing by PORT9100 4.2.1 For Windows Console The program is a sample of printing “EPSON UB-E02” to a TM printer with the UB-E02 from the Windows shell, through the ethernet connection. /* TCP9100 programming sample for win32 * HOW TO BUILD * cl wtcp.cpp wsock32.lib...
  • Page 62 /* send data */ send(sock, "EPSON\n", 6, 0); /* gracefully close */ shutdown(sock, 1);/* SD_SEND */ while (1) { char buf[64]; int n = recv(sock, buf, 64, 0); if (n = SOCKET_ERROR || n == 0) break; shutdown(sock, 2);/* SD_BOTH */ /* close socket */ closesocket(sock);...

  • Page 63: For Linux

    UB-E02 Technical Reference Guide 4.2.2 For Linux The program is a sample of printing “EPSON UB-E02” to a TM printer with the UB-E02 from Linux, through the ethernet connection. /* TCP00 programming sample for LINUX * HOW TO BUILD * cc ltcp.c #include <stdio.h>...

  • Page 64: Commands Sent To A Tm Printer When The Power Is On

    4.3 Commands Sent to a TM Printer When the Power is On When the power is turned on, the UB-E02 transmits the following commands to the TM printer and maintains the statuses. The UB-E02 acquires printer information by GS I and monitors the printer status through the TMNet WebConfig using the GS a 255 command.

  • Page 65: Printer Operation By The Udp Commands

    UB-E02 Technical Reference Guide 4.7 Printer Operation by the UDP Commands By using the UDP commands, the following information can be received in order to recover from abnormal operations and errors. Function Code Packet Function 03-0000 Acquires basic information 03-0010...

  • Page 66: 03-0000 Retrieving Basic Information

    4.7.2 03-0000 Retrieving Basic Information 4.7.2.1 Reply data Off-set Size Description Interface type Communication method with TM printer Printer ID acquired during a power-on Printer type ID acquired during a power-on Printer ROM version acquired during a power-on Printer name character string (128 bytes) 4.7.3 03-0010 Retrieving Status 4.7.3.1 Reply data Off-set...

  • Page 67: 03-0011 Forced Transmission

    UB-E02 Technical Reference Guide 4.7.4 03-0011 Forced Transmission Transmission is done, regardless of the flow control between the TM printer and the UB-E02. 4.7.4.1 Set-up data Off-set Size Description Flow control 0: With flow control 1: No flow control (forced transmission)

  • Page 68: 03-0013 Buffer Flash

    4.7.6 03-0013 Buffer Flash 4.7.6.1 Reply data Off-set Size Description Result 0: Normal Except for 0: Failure This clears only the buffer of the UB-E02 and cannot clear the receive buffer of the printer. 4.7.7 03-0016 Clearing Connection Time-Out Timer Regularly send commands clearing the connection time-out timer to avoid time-out when data is not sent for a certain period of time.

  • Page 69: Programming Sample

    UB-E02 Technical Reference Guide 4.7.8 Programming Sample 4.7.8.1 For Windows Console /* UDP3289 programming sample for win32 * HOW TO BUILD * cc wudp.cpp wsock32.lib #include <stdio.h> #include <winsock.h> #define MAXBUF 512 char buf[MAXBUF]; int main(int argc, char* argv[]) WSADATA data;...
  • Page 70 buf[11] = 0x00; buf[12] = 0x00; // Parameter length buf[13] = 0x00; /* send a packet */ i = sendto(sock, buf, 14, 0, (struct sockaddr*)&addr, sizeof(addr)); /* receive packet */ fromlen = sizeof(addr); len = recvfrom(sock, buf, MAXBUF, 0, (struct sockaddr*)&addr, &fromlen); /* print receive packet */ if (len) { if ((buf[10] == 0x00) &&...
  • Page 71 UB-E02 Technical Reference Guide 4.7.8.2 For Linux /* UDP3289 programming sample for LINUX * HOW TO BUILD * cc ludp.c #include <stdio.h> #include <netdb.h> #define MAXBUF 512 char buf[MAXBUF]; int main(int argc, char* argv[]) int sock; struct sockaddr_in addr; int i, len;...
  • Page 72 buf[13] = 0x00; /* send packet */ i = sendto(sock, buf, 14, 0, (struct sockaddr*)&addr, sizeof(addr)); /* receive packet */ fromlen = sizeof(addr); len = recvfrom(sock, buf, MAXBUF, 0, (struct sockaddr*)&addr, &fromlen); /* print receive packet */ if (len) { if ((buf[10] == 0x00) &&...

  • Page 73: Chapter 5 Specifications

    UB-E02 Technical Reference Guide Chapter 5 Specifications The UB-E02 can be installed in the TM-series printers as an interface board to provide 10 Base-T/100 Base-TX communications. EPSON PRINTER EPSON WITH PRINTER UB-E02 Ethernet (10Base-T/100Base-TX) Host PC 5.1 Printer Connection The interface board can be installed in TM-series printers that support the universal interface board system.

  • Page 74: Printing Functions

    5.3.2 Printing Functions Printing by standard protocols (printing of network objects through a device driver Socket printing by unique socket communications (port 9100 for OPOS) Supports OPOS/Unimini/JavaPOS 5.3.3 Functions to Monitor Settings Various settings and states displayed by Web browser IP address setting by arp + ping Supports DHCP Supports APIPA...

  • Page 75: External Appearance And Connector Locations

    UB-E02 Technical Reference Guide 5.4.3 External appearance and connector locations 10BASE-T Ethernet LED (red) Switch interface connector LED (green) 5.5 Software Specifications 5.5.1 Basic Communications Protocols Protocol Application IP, ARP, ICMP, UDP, TCP Basic communications protocols for various functions (used by the following higher-level protocols) 5.5.2 Printing Communications Protocols...

  • Page 76: Status Inquiry And Setting Protocols

    Acquire and set module settings or printer status by custom or general purpose MIB tool. ENPC Acquire and set module settings or printer status by custom setup utility. 5.5.3.1 HTTP Port number: User name: EPSON Password: None Maximum simultaneous connections: 1 HTTP version: HTTP/1.1 5.5.3.2 SNMP (MIB)

  • Page 77: Automatic Ip Address Assignment Protocols

    UB-E02 Technical Reference Guide PDU support Get Request Get Next Request Set Request Get Response Trap Server port number Trap sending port number 5.5.3.3 ENPC Protocol: UDP/IP UDP port number: 3289 Compatible packet types: Probe Initialize Query Setup Notify 5.5.4 Automatic IP Address Assignment Protocols The UB-E02 supports the DHCP and APIPA protocols for automatic IP address assignment.
  • Page 78 5.5.4.2 IP Address Assignment by APIPA Item to acquire: IP Address Range of address: 169.254.1.0 to 169.254.254.255 Any IP address in the above range that is not used in the same network is assigned. However, communication over the router is not possible when the IP address is set by APIPA. 5.5.4.3 Manual Setting The UB-E02 operates in accordance with the IP address stored in the internal parameter settings.

  • Page 79: Internal Settings

    UB-E02 Technical Reference Guide 5.5.5 Internal Settings 5.5.5.1 Item List Exclusive Status utility HTTP printout Item Parameter Initial value Setting Setting IP address 192.168.192.168 Subnet mask 255.255.255.0 Gateway address 0.0.0.0 DHCP function Disable/Enable Disable APIPA function Disable/Enable Disable arp/ping IP setting...
  • Page 80 5.5.5.3 Setting with Exclusive utility Settings cannot be made by the specified application software when the ENPC protocol is used. A dedicated utility which can set miscellaneous with the ENPC protocol is provided by EPSON. 5.5.5.4 Setting with Browser Setting can be made by an HTTP browser when connected to the module. The new IP address takes effect when the printer power is turned off and back on.

  • Page 81: Initializing

    UB-E02 Technical Reference Guide 5.5.6 Initializing To initialize the UB-E02 when the power is turned on or reset, the standby period is required for 10 seconds. During this period. All network functions do not work. The waiting time is: When the IP address setting is Manual (Fixed):...

  • Page 82: Environmental Specifications

    5.6 Environmental Specifications ° ° Temperature:0 to 50 C {32 to 122 Humidity:10 to 90% RH (non-condensing) 5.7 Storage Conditions ° ° Temperature: -10 to 50 C {14 to 122 Humidity:10 to 90% RH (non-condensing) 5.8 EMC and Safety Standards Applied Europe: CE Marking EN55022 Class B...

  • Page 83: Appendix A Definitions

    UB-E02 Technical Reference Guide Appendix A Definitions ASB— Auto Status Back: The feature that allows the printer to send the status information back to the host computer automatically. ARP —Address Resolution Protocol: Protocol which converts IP address to Ethernet address.
  • Page 84 TCP/IP—Name given to the suite of protocols (including but not limited to TCP and IP) that govern the transmission and services of a network. The TCP indicates a transport layer and the IP indicates an internet layer. TCP port—A logical connection point in the software on a TCP/IP host. UDP—User Datagram Protocol: a connectionless type of a protocol which is suitable for transferring small packets.
  • Page 86 EPSON SEIKO EPSON CORPORATION Printed in Japan...

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