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Hitachi EMS Gateway
Read and keep this manual.
 Thank you for purchasing your Hitachi EMS Gateway, Model
EM-G21. Your safety and the safety of others is important. Please
read this manual before installing and this product. In order to
ensure the safe operation of the Hitachi EMS Gateway, read obey
all safety messages and all of the instructions contained in the
manual and the warnings.
 After reading this manual, this manual should be kept in a readily
accessible location ease of reference. If this product is sold to
another party, this manual should the product to the new owner of
the product.
Model EM-G21

User Manual

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   Summary of Contents for Hitachi EM-G21

  • Page 1: User Manual

    Read and keep this manual.  Thank you for purchasing your Hitachi EMS Gateway, Model EM-G21. Your safety and the safety of others is important. Please read this manual before installing and this product. In order to ensure the safe operation of the Hitachi EMS Gateway, read obey all safety messages and all of the instructions contained in the manual and the warnings.

  • Page 2: Safety Instructions

    SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS  Your safety and the safety of others is important.  Many safety-related messages are provided in this manual and on the Hitachi EMSGateway. These safety messages warn you and others of potential injury hazards.

  • Page 3

    SAFETY INSTRUCTIONS (Continued) INSTRUCTIONS for Installation WARNING Hazardous voltage. Install and connect the Gateway in accordance with the instructions in this manual. Failure to follow the instructions in the manual may result in electric shock, damage to a connected device or damage to the network facility. Keep away from fire.

  • Page 4

    SAFETY INSTRUCTIONS (Continued) INSTRUCTIONS for Installation (Continued) WARNING Keep away from automatic controls. Do not install the Gateway near automatic control equipment such as automatic doors or fire alarms. The radio waves of the Gateway may affect the operation of the automatic control equipment and may result in the malfunction of the equipment.

  • Page 5

    SAFETY INSTRUCTIONS (Continued) INSTRUCTIONS for Installation (Continued) CAUTION Do not install the Gateway in an unstable manner. Always install the Gateway on a stable and flat surface. The installation of the Gateway on a surface that is unstable, sloped or subject to frequent vibrations or shocks may cause the Gateway to fall and may result in death, personal injury or property damage.

  • Page 6

    SAFETY INSTRUCTIONS (Continued) INSTRUCTIONS for Installation (Continued) NOTICE  Preserve the packing carton and packing materials supplied with the Gateway for future use.  The Gateway is a Class B digital device pursuant to Part 15 of the FCC rules. Although the Gateway is designed for residential installation, the Gateway may cause harmful interference to radio or television reception if installed and used in close proximity with a radio or a television set.

  • Page 7

    SAFETY INSTRUCTIONS (Continued) INSTRUCTIONS for AC Adapter WARNING Failure to follow the following instructions may result in fire or electric shock.  Do not use any other AC adapter for the Gateway than the one attached to the Gateway.  Do not use the AC adapter attached to the Gateway for any other device. ...

  • Page 8

    SAFETY INSTRUCTIONS (Continued) INSTRUCTIONS during Use WARNING Do not operate or use the Gateway, AC adapter, power cord or cables with wet hands. Operation or handling the Gateway, AC adapter, power cord or cables with wet hands may result in an electric shock. Always disconnect power to the Gateway in an airplane hospital or other areas where the use of wireless devices is prohibited.

  • Page 9

    SAFETY INSTRUCTIONS (Continued) INSTRUCTIONS during Use (Continued) WARNING When powered, do not cover or place the Gateway or the AC adapter near a heater. This may result in the internal temperatures of the Gateway or AC adapter to rise and may result in a fire, personal injuries or machine failure. Do not let the Gateway or AC adapter come in contact with human skin for an extended period of time while the Gateway and AC adapter are powered.

  • Page 10

    SAFETY INSTRUCTIONS (Continued) INSTRUCTIONS for Moving, Cleaning, and Maintenance WARNING Clean the power cord plug periodically. Unplug the power cord of the AC adapter from the outlet and remove dust between the power cord plug and the outlet periodically (about once per six months).

  • Page 11

    SAFETY INSTRUCTIONS (Continued) INSTRUCTIONS on Storage WARNING Store packing materials such as vinyl bags beyond the reach of children. Otherwise, they may suffocate by accidentally swallowing a small piece of packing material or putting a vinyl bag on their heads. CAUTION Unplug the power cord of the AC adapter from the outlet when you do not plan to use the Gateway for an extended period of time.

  • Page 12

    Information on Functionality INFORMATION Networking  Depending on the network environment at your premise, cases below may occur.  Unable to obtain a maximum communication speed.  Unable to obtain a stable communication speed.  Unable to establish a communication link. ...

  • Page 13

    Information on Functionality (Continued) INFORMATION Management of site-specific information  The Gateway can register and store information that is specific to you and your premise. If such site-specific information leaks, your loss may be unpredictable. Take utmost care in managing such site-specific information stored in the Gateway. ...

  • Page 14: Table Of Contents

    TABLE OF CONTENTS SAFETY SUMMARY ..................IV 1. GETTING STARTED ..................1 1.1 Content of Received Package ..............1 1.2 Elements in Access Areas ..............2 1.3 User Responsibility ................. 3 1.3.1 List of Items Prepared by the User ..............3 1.3.2 Requirements for User PC ...................

  • Page 15

    8. APPENDIX ....................33 8.1 Initialization of the Gateway ..............33 8.2 Specifications ..................34 8.2.1 Hardware Specifications ..................34 8.2.2 Software Specifications ..................35 8.3 Trademarks ..................36 - XV -...

  • Page 16: Getting Started

    1. GETTING STARTED 1.1 Content of Received Package Ensure that all items below are supplied and free of damage. Category Name Q’ty Appearance (Reference Only) Main unit The Gateway Stand Accessory AC adapter and 1 set AC cord length: 2 m DC cord length: 1.2 m power cord Note: If the power cord...

  • Page 17: Elements In Access Areas

    1.2 Elements in Access Areas The figures and tables below provide names and functions of elements in the front and rear access areas. Elements in front access area # Name Status Meaning  POWER lamp Not powered On (Green) Powered ...

  • Page 18: User Responsibility

    1.3 User Responsibility 1.3.1 List of Items Prepared by the User Preparation of the items below, which are necessary for setting up the Gateway, is the user’s responsibility.  one PC equipped with at least one of the following LAN facilities: ...

  • Page 19: Requirements For Lan Cable

     Under Windows® XP SP3: Internet Explorer® 8.0 or higher  Under Mac OS® X 10.4 or higher: Safari® 3.0.4 or higher NOTICE Hitachi, Ltd. recommends Internet Explorer 9.0 to Windows user. ®  Notes on browser settings and browser operation ...

  • Page 20: Copying Of Default Wireless Lan Settings

    LAN settings, i.e., SSIDs and Security Encryption Keys shown on the equipment label. The Service Set IDs (SSID) are displayed on the side of the The Gateway. Hitachi recommends that you choose SSID-1 for your network for increased security. - 5 -...

  • Page 21: Installing The Gateway

    2. INSTALLING THE GATEWAY 2.1 Methods of Installation Install the Gateway either vertically on a horizontal surface using the attached stand or mounted on a wall using the attached stand and wall-mounting screws. Shown below are resulting installation images. Be sure to keep the Gateway away from a possible source of noise such as refrigerator or television set.

  • Page 22: Installation Procedures By Methods

    2.2 Installation Procedures by Methods 2.2.1 Vertical Installation on Horizontal Surface Using Stand When vertical installation on a horizontal surface is selected, install the Gateway according to the procedure below. CAUTION Keep clear areas around the Gateway so that no other device or wall exists within 5 cm of four sides and top of the Gateway placed for vertical installation on a horizontal surface.

  • Page 23: Wall-mounting Installation Using Stand And Wall-mounting Screws

    2.2.2 Wall-mounting Installation Using Stand and Wall-mounting Screws When wall-mounting installation is selected, follow the procedure below. CAUTION  Keep clear areas around the Gateway so that no other device or wall exists within 5 cm of three open sides, top, and bottom of the Gateway placed for wall-mounting installation.

  • Page 24

    By moving the temporarily-combined Gateway and the stand around on the wall, determine the target location on the wall for securing the stand where all of the following conditions meet:  There is no other device or wall within 5 cm of three open sides, top, and bottom of the Gateway.

  • Page 25

    While holding the Gateway with its rear end facing down, mount the Gateway carefully onto the stand by sliding the hook plates on the equipment label side of the Gateway into the mating slots on the front surface of the stand until they snap into place.

  • Page 26

    To withdraw wall-mounting installation of the Gateway, do the steps below. Unmount the Gateway carefully from the stand in the reverse manner of mounting. Pay attention not to apply extra mass on the stand during unmounting. Remove the two wall-mounting screws and the stand from the wall. - 11 -...

  • Page 27: Turning On/off Power

    3. TURNING ON/OFF POWER 3.1 Turning On Power To turn on power of the Gateway, follow the procedure below. WARNING Failure to follow the following instructions result in fire or electric shock.  Do not use any other AC adapter for the Gateway than the one attached to the Gateway.

  • Page 28: Making Wired Connections

    4. MAKING WIRED CONNECTIONS 4.1 WAN Connection Where WAN connection to the Gateway is necessary, follow the procedure below. For how to operate the WAN side equipment such as edge router, refer to instruction manual of the WAN side equipment. Turn off power of the Gateway and turn off power of the WAN side equipment.

  • Page 29: Wired Lan Connection

    4.2 Wired LAN Connection Where wired LAN connection to the Gateway is necessary, follow the procedure below. For how to operate the destination equipment such as PC or sensor, refer to instruction manual of the destination equipment. Referring to instruction manual of the destination equipment, set up the wired LAN connection of the destination equipment so that the IP address of the destination equipment is automatically assigned by DHCP server (the Gateway).

  • Page 30: Making Wireless Connections

    5. MAKING WIRELESS CONNECTIONS Where wireless LAN connection of a user PC to the Gateway is necessary, first follow steps in Section 5.1 and optionally follow steps in Section 5.2. Then, depending on the operating system running on the user PC, follow steps in Section 5.3, Section 5.4, or Section 5.5.

  • Page 31

    Rules for creating a new PSK or a new WEP key: Case No. Encryption Method Allowable Characters for Encryption Key 1 (default WPA-PSK, WPA2-PSK, or 8 to 63 characters in any combination of alphanumerics for SSID-1) WPA-PSK/WPA2-PSK (0 to 9, a to z, and A to Z; case sensitive) and specific with key length of 8 to 63 symbols (other than space, apostrophe, single quote, characters...

  • Page 32

    The top page of the setup page opens. Click Wireless from menu to drop down the list and click Wireless Configuration in the list. The top page navigates to the “Wireless Configuration” page shown below. In “No.” field of “SSID Configuration” section, click the number corresponding to the SSID you determined in Subsection 5.1.1.

  • Page 33: Setup Of Mac Address Filtering

    5.2 Setup of MAC Address Filtering If you wish to specify MAC address filtering for the user PC that connects to the Gateway via encrypted wireless LAN, follow the procedure below. Do Steps 1 to 7 of Subsection 5.1.2. If you wish to enable MAC address filtering for SSID-1, check enable check box in “MAC Address Filtering”...

  • Page 34: Wireless Connection On Windows® 7 Or Windows Vista

    5.3 Wireless Connection on Windows® 7 or Windows Vista® To connect the user PC running Windows® 7 or Windows Vista® to the Gateway via wireless LAN, you may follow either of the procedures below.  Select SSID from list (Subsection 5.3.1) ...

  • Page 35: Connection By Directly Typing Ssid On Windows® 7 Or Windows Vista

    5.3.2 Connection by Directly Typing SSID on Windows® 7 or Windows Vista® If you have not turned on the Gateway and/or the user PC, first start up the Gateway and then start up the user PC. Disconnect the LAN cable if connected between the user PC and the Gateway. On the user PC, click Start button (Windows®...

  • Page 36: Wireless Connection On Windows® Xp

    5.4 Wireless Connection on Windows® XP To connect the user PC running Windows® XP to the Gateway via wireless LAN, you may follow either of the procedures below.  Select SSID from list (Subsection 5.4.1)  Directly type SSID (Subsection 5.4.2) Of these, only the latter is available if ESSID Stealth is enabled on the target SSID.

  • Page 37: Connection By Directly Typing Ssid On Windows® Xp

    5.4.2 Connection by Directly Typing SSID on Windows® XP If you have not turned on the Gateway and/or the user PC, first start up the Gateway and then start up the user PC. Disconnect the LAN cable if connected between the user PC and the Gateway. On the user PC, click Start and click Control Panel.

  • Page 38: Wireless Connection On Mac Os® X

    5.5 Wireless Connection on Mac OS® X To connect the user PC running Mac OS® X to the Gateway via wireless LAN, you may follow either of the procedures below.  Select SSID from list (Subsection 5.5.1)  Directly type SSID (Subsection 5.5.2) Of these, only the latter is available if ESSID Stealth is enabled on the target SSID.

  • Page 39: Connection By Directly Typing Ssid On Mac Os® X

    5.5.2 Connection by Directly Typing SSID on Mac OS® X If you have not turned on the Gateway and/or the user PC, first start up the Gateway and then start up the user PC. Disconnect the LAN cable if connected between the user PC and the Gateway. On the user PC, click Apple menu and select System Preferences...

  • Page 40: Performing Firmware Upgrade

    6. PERFORMING FIRMWARE UPGRADE 6.1 Outline of Firmware Upgrade “Firmware” refers to software that operates the Gateway. For proper operation of the Gateway, it is requested that you always keep the firmware version up to date according to the firmware upgrade procedures in this chapter. You can confirm the firmware version currently installed in the Gateway according to the procedure in Section 6.2.

  • Page 41: Confirmation Of Currently Installed Firmware Version

    6.2 Confirmation of Currently Installed Firmware Version To confirm the firmware version currently installed in the Gateway, follow the procedure below. Connect the user PC to the Gateway. Temporarily terminate firewall and/or antivirus software if running on the user PC. Type the URL of the “EMS Gateway”...

  • Page 42: Automatic Firmware Upgrade Procedure

    6.3 Automatic Firmware Upgrade Procedure With automatic firmware upgrade function enabled by default, the Gateway automatically checks if a new version firmware file is uploaded on the dedicated server on an applicable external network and, when a new version firmware file is found, upgrades the firmware as scheduled.

  • Page 43

    You can change the timeframe for upgrading the firmware according to the procedure below. Be noted that this scheduled upgrading of the firmware accompanies restarting of the Gateway, which may interrupt your use of services via an external network. Connect the user PC to the Gateway. Temporarily terminate firewall and/or antivirus software if running on the user PC.

  • Page 44: Manual Firmware Upgrade Procedure

    6.4 Manual Firmware Upgrade Procedure When the Gateway is not connected to any external network or a new version firmware file is provided by any means other than the dedicated server on an applicable external network, you can manually upgrade the firmware using the provided firmware file. To perform this manual firmware upgrade, follow the procedure below.

  • Page 45: Troubleshooting

    7. TROUBLESHOOTING 7.1 During Installation Work First check the flowchart below to determine your stage of installation work. Then, try actions thereunder that may apply to your stage. Is the POWER lamp in the front access area of the Gateway lit in ...

  • Page 46

    (Continued) Stage Symptom Suspected Cause and Action To Be Taken When any of the wired LAN ports in the  Check if both the Gateway and the destination rear access area of the Gateway is in equipment are turned on. use, the subject LINK lamp in the rear ...

  • Page 47: During Use

    7.2 During Use For troubles during use, try actions according to the table below. If the error persists, check if the latest firmware version is applied and, if not, perform firmware upgrade according to Chapter 6. Symptom Suspected Cause and Action To Be Taken Wired LAN connection encounters When the user prepares a LAN cable, procure a slowdown of link speed or...

  • Page 48: Appendix

    8. APPENDIX 8.1 Initialization of the Gateway Initialization means deletion of settings made after installation of the Gateway, thereby restoring the Gateway to the state of factory shipment. When the Gateway does not operate properly or when the Gateway is to participate in a completely different network, it is recommended that you initialize the Gateway and set up the Gateway from scratch.

  • Page 49: Specifications

    8.2 Specifications 8.2.1 Hardware Specifications Item Content WAN port Physical interface 8-pin modular jack (RJ-45) Number of ports Standard Autonegotiate among 1000BASE-T, 100BASE-TX, and 10BASE-T (IEEE802.3ab, IEEE802.3u, and IEEE802.3) Wired Physical interface 8-pin modular jack (RJ-45) LAN port Number of ports 4 (under built-in switching hub) Standard Autonegotiate among 1000BASE-T, 100BASE-TX, and 10BASE-T...

  • Page 50: Software Specifications

    8.2.2 Software Specifications Item Content Router functions  Domain name server (DNS) proxy  Dynamic host configuration protocol (DHCP) server  Dynamic host configuration protocol (DHCP) client  Idle timeout timer  Network address port translation (NAPT)  Packet filtering ...

  • Page 51: Trademarks

    8.3 Trademarks Names including company names and product names in this manual may be trademarks or registered trademarks of their respective owners. No modification to such names is authorized and the Manufacturer disclaims any loss due to unauthorized modifications to such names.

  • Page 52

    LICENSE ISSUES The OpenSSL toolkit stays under a dual license, i.e. both the conditions of the OpenSSL License and the original SSLeay license apply to the toolkit. See below for the actual license texts. Actually both licenses are BSD-style Open Source licenses.

  • Page 53

    This product includes cryptographic software written by Eric Young (eay@cryptsoft.com). This product includes software written by Tim Hudson (tjh@cryptsoft.com). Original SSLeay License Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com). All rights reserved. This package is an SSL implementation written by Eric Young (eay@cryptsoft.com). The implementation was written so as to conform with Netscape's SSL.

  • Page 54

    GPL and LGPL may be provided to the requestor. If you wish to obtain such a medium, follow instructions at http://www.hitachi.co.jp/products/it/network/gpl_emsgw/index.html This provision of medium may be a paid service inclusive of cost for medium, postage, packaging labor, tax, and other fees as applicable.

  • Page 55: Read This First

     Hitachi, Ltd. (the “Manufacturer”) disclaims any loss due to missed communications and lost opportunities, which may arise from any failure, malfunction, or anomaly of Hitachi EMS Gateway Model EM-G21 (the “Gateway”) or from external causes such as power outage. The Manufacturer also disclaims pure economic loss due to possible loss of information stored in the Gateway, which may arise from the same.

  • Page 56

    STATEMENT ON FCC COMPLIANCE This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.

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