Allied Telesis AT-AR221E Скачать руководство пользователя страница 17

Страница: 17 / 70

Chapter 1

Introduction

Thank you for purchasing the AT-AR221E Cable/DSL Router with an integral 4- port switch.This easy-to-use router offers
small offices and home offices an economical way to connect their entire LAN to the Internet using an external DSL/Cable
modem.

Router Features

High speed Internet access - Includes a WAN port for connection to an external DSL/Cable modem for high speed

Internet access (20~200 times faster than your legacy 56K modem)

Built-in four-port 10/100 Mbps Ethernet Switch - Provides complete and fast connectivity for small offices.

Shared single ISP account - Provides an affordable Internet access for all the computers in your office using a single ISP

account, via Network Address Translation (NAT). NAT is always enabled.

DHCP (Dynamic Host Configuration Protocol) - Simplifies setup and management of all you network resources.

PPPoE & PPTP - Allows for flexible use and configuration of ADSL.

Stateful Inspection Firewall – To protect your computer data against un-authorised access via the Internet.

Web-based management - Includes an intuitive web-based configuration and administration interface to simplify router

management.

SNMP based management – Allows the router to be managed as part of a large corporate network.

DNS Server - Supports two DNS servers that relay DNS entries to speed up the Internet connection.

Virtual Server - Allows for a Virtual Server configuration (for example, an FTP Server) to allow remote access by out-

side users.

Access control (packet filtering) - Monitors and blocks specific packets or applications.

Содержание AT-AR221E

Страница 1: ...Cable DSL Router AT AR221E Installation Guide PN D617 90000 Rev 1 ...

Страница 2: ...d Telesyn Inc reserves the right to make changes in specifications and other infor mation contained in this document without prior written notice The information provided herein is subject to change without notice In no event shall Allied Telesyn Inc be liable for any incidental special indirect or consequential damages whatsoever including but not limited to lost profits arising out of or related...

Страница 3: ...t Appendix A contains translated safety statements for installing this equipment When you see the go to Appendix A for the translated safety statement in your language Wichtig Anhang A enthält übersetzte Sicherheitshinweise für die Installation dieses Geräts Wenn Sie sehen schlagen Sie in Anhang A den übersetzten Sicherheitshinweis in Ihrer Sprache nach Vigtigt Tillæg A indeholder oversatte sikker...

Страница 4: ...atures 15 Package Contents 17 Chapter 2 Installation 18 Installing the Hardware 18 Reviewing Safety Precautions 18 Powering the Device 19 POST Power On Self Test 19 Connecting the Router to Computers and Network 19 Modem Connection 19 Setting Up a Client Computer 21 Setting Up the Router 21 Chapter 3 Configuration Wizard 22 Web Interface 22 PPPoE 23 Dynamic IP 24 Dynamic IP Road Runner 25 Static F...

Страница 5: ...s 54 Help 54 Chapter 7 Setting Up Client Computers for Internet Access 55 Client Computer Requirements 55 Setting up Windows 95 98 PC Clients 55 Configuring a Client Computer Using the DHCP Server 56 Configuring a Client Computer Manually 56 Setting Up Windows NT 4 0 Clients 56 Configuring a Client Computer Using the DHCP Server 56 Configuring a Client Computer Manually 58 Chapter 8 Troubleshootin...

Страница 6: ...e router Chapter 4 Basic Settings describes the procedures for manually configuring the basic parameters Chapter 5 Advanced Configuration describes the procedures for entering configurations on advanced router features Chapter 6 System Status and Help describes the procedures for getting on line help with the router Chapter 7 Setting Up Client Computers for Internet Access describes the procedures...

Страница 7: ... you begin to install the product Note A note provides additional information Warning A warning indicates that performing or omitting a specific action may result in bodily injury Caution A caution indicates that performing or omitting a specific action may result in equipment damage or loss of data 5 ...

Страница 8: ...Monday through Friday between 0900 and 1730 local time excluding national holidays Austria Belgium Finland France Germany Ireland Italy Luxembourg The Netherlands Norway Sweden Switzerland and the United Kingdom Free phone 00 800 287 877 678 or 31 20 711 4333 europe_support alliedtelesyn com Spain Free phone 00 800 287 877 67 or 31 20 711 4333 europe_support alliedtelesyn com Finland Free phone 99...

Страница 9: ...phone number 7 095 935 8585 Support Fax Number 7 095 935 8586 Support Email Address support_CIS alliedtelesyn ru Ukraine Support Telephone number 7 095 935 8585 Support Fax Number 7 095 935 8586 Support Email Address Ukraine support alliedtelesyn com All other countries not listed above should refer their technical support request to Support Telephone number 31 20 711 4333 Support Email Address eu...

Страница 10: ...download the software by connecting directly to our FTP server at ftp alliedtelesyn com At login enter anonymous as the user name and your e mail address as the password For Sales or Corporate Information European Latin America Headquarters Allied Telesis International SA Via Motta 24 6830 Chiasso Switzerland Tel 41 91 6976900 Fax 41 91 6976911 Allied Telesis International Services Piazza Tirana n...

Страница 11: ...7 8245 Fax 40 21 210 5610 Russia Allied Telesyn International Ul Korovij Vall Dom 7 Str 1 Office 190 119049 Moscow Tel 7095 9358585 Fax 7095 9358586 Serbia Montenegro Allied Telesyn Vertriebsgesellschaft m b H Krunska 6 11000 Belgrade Tel Fax 381 11 3033 208 381 11 3033 209 381 11 3235 639 France Allied Telesyn International SAS 12 avenue de Scandinavie Parc Victoria Immeuble Le Toronto 91953 Cour...

Страница 12: ...1522583 Tel Fax 39 049 8868175 Italy South Allied Telesyn International S r l Via Troilo il Grande 3 00131 Roma Tel 39 06 41294507 Fax 39 06 41404801 Turkey Allied Telesyn International 6 Cadde 61 2 Öveçler 06460 Ankara Tel 90 312 472 1054 55 Fax 90 312 472 1056 Germany North Allied Telesyn International GmbH Kapweg 4 13405 Berlin Tel 49 30 435 900 0 Fax 49 30 435 900 300 Toll Free Sales 00 800 25...

Страница 13: ... 68 Fax 32 2 481 60 75 Denmark Allied Telesyn International Jyllinge ErhvervsCenter Møllehaven 8 DK 4040 Jyllinge Tel 45 46734835 Fax 45 46734837 Finland Allied Telesyn International Ltd Metsänneidonkuja 10 02130 ESPOO Tel 358 9 7255 5290 Fax 358 9 7255 5299 Iceland 47 22 70 04 70 Ireland Freephone 1 800 409 127 The Netherlands Allied Telesyn International BV Hoeksteen 26 2132 MS Hoofddorp Tel 31 ...

Страница 14: ...d 100 Longwater Avenue GreenPark Reading RG2 6GP Tel 44 118 920 9800 Fax 44 118 975 2456 Latin America Support Office Allied Telesyn International 19800 North Creek Parkway Suite 200 Bothell WA 98011 USA Tel 1 425 481 3852 Fax 1 425 489 9191 Toll Free Mexico Puerto Rico 95 800 424 5012 ext 3852 Latin America Mexico Allied Telesyn International AV Insurgentes Sur 800 Piso 8 Col Del Valle México DF ...

Страница 15: ...S L U Plaza de España 18 4ª Ofic 3 28008 Madrid Tel 34 91 559 1055 Fax 34 91 559 2644 Allied Telesyn International Corp 19800 North Creek Parkway Suite 200 Bothell WA 98011 Tel 1 425 487 8880 Fax 1 425 489 9191 Allied Telesyn International Corp 960 Stewart Drive Suite B Sunnyvale CA 94085 Tel 1 800 424 4284 USA and Canada Fax 1 408 736 0100 For current information please visit our web site www all...

Страница 16: ...Tell Us WhatYou Think If you have any comments or suggestions on how we might improve this or other Allied Telesyn documents please contact us at www alliedtelesyn com 14 ...

Страница 17: ...gle ISP account via Network Address Translation NAT NAT is always enabled l DHCP Dynamic Host Configuration Protocol Simplifies setup and management of all you network resources l PPPoE PPTP Allows for flexible use and configuration of ADSL l Stateful Inspection Firewall To protect your computer data against un authorised access via the Internet l Web based management Includes an intuitive web bas...

Страница 18: ... LAN 1 4 LAN ports Link Act Green Steady on when LAN port is properly connected Flashing when LAN port has data traffic 100M Green Steady on when LAN port connected at 100Mbps Off when LAN port connected at 10Mbps Init Press and hold the Initialize button The Status LED will stop flashing and then flash 6 times Then release the button WAN This port is for connecting to the Wide Area Network using ...

Страница 19: ... the following items If an item is missing or damaged contact your Allied Telesyn sales rep resentative for assistance Figure 2 Package contents l 1 x Broadband Router l 1 x AC DC power adapter l 1 x Ethernet Cable l 1 x This installation guide 17 ...

Страница 20: ...wer cord 2 Warning Electrical Type Class 1 Equipment This equipment must be earthed The power plug must be connected to a properly wired earth ground socket outlet An improperly wired socket outlet could place hazardous voltages on accessible metal parts 3 Caution Pluggable Equipment The socket outlet should be installed near the equipment and should be easily accessible 4 Caution Air vents The ai...

Страница 21: ...uence If the POST succeeds without encountering any problems the 100M and Link Act LEDs turn OFF Connecting the Router to Computers and a Network The device features a built in 4 port 10M 100M Ethernet switch Any of the Ethernet ports can be connected to a computer that has an Ethernet card or NIC Network Interface Card Figure 3 Connecting computers to the router Modem Connection The device has on...

Страница 22: ...llustrates a typical network topology using the router Figure 4 Network Topology Example 1 2 3 4 WAN Init Power Power 1 2 Link Act 1000M 100M 3 4 5 6 7 8 9 10 1112 1314 1516 1718 1920 2122 2324 DSL Cable Modem 20 ...

Страница 23: ...u can manually configure the client workstation s TCP IP settings as follows IP address of 192 168 123 1 Network mask of 255 255 255 0 The router s IP address as the client workstation s DNS Domain Name System device The router s IP address as the client workstation s default gateway For detailed information on the DHCP server feature refer to Chapter 4 Setting Up the Router To establish an Intern...

Страница 24: ...168 123 254 1 Start your web browser on a workstation that has the TCP IP protocol The workstation and the router must be on the same IP subnet 2 Type the router s IP address in the URL field For example http 192 168 123 254 and press Enter The router s default IP address 192 168 123 254 If the IP address of the router has been changed then enter the cur rent one The Login window shown in Figure 5...

Страница 25: ... IP Address Enter the IP address of the Router default 192 168 123 254 Account Enter your User Name provided by your ISP Leave this blank if you have not been given a User Name by your ISP Password Enter your Password provided by your ISP Specify DNS Server Address Your ISP will provide you with at least one DNS IP Address Multiple DNS IP settings are common The first available DNS entry is used i...

Страница 26: ...aking any change Figure 7 Dynamic IP Wizard LAN IP Address Enter the IP address of the Router default 192 168 123 254 Host Name This entry is required by certain ISPs Leave this blank if you have not been given this parameter by your ISP WAN s MAC Address This is the MAC address of the Router Clicking on Clone MAC will program the WAN port of the router with the MAC address of your PC 24 ...

Страница 27: ...nter the IP address of the Router default 192 168 123 254 Account Enter your User Name provided by your ISP Leave this blank if you have not been given a User Name by your ISP Password Enter your Password provided by your ISP Login Server Enter the Server Address provided by your ISP 25 ...

Страница 28: ...igure 9 Fixed Static IP Wizard Specify WAN IP Address Enter the IP address provided by your ISP Subnet Mask Enter the Subnet Mask values provided by your ISP Default Gateway IP Address Your ISP will provide you with the Default Gateway IP Address This is sometimes called the Next hop Domain Name Server DNS Your ISP will provide you with at least one DNS IP Address Multiple DNS IP settings are comm...

Страница 29: ... of the Router default 192 168 123 254 My IP Address The IP address of the PPTP Client you want to negotiate with the PPTP server My Subnet Mask The subnet mask of the PPTP Client Server IP Address The address of the PPTP Server PPTP Account The login name on the PPTP Server PPTP Password The password of the user account 27 ...

Страница 30: ... IP address of your router Note The router is pre configured at the factory with a default IP address of 192 168 123 254 If this IP address is already being used by another device on your network you must turn off the other network device until you have assigned the router a new IP address The first Web page you see is the Login screen as shown in Figure 11 Figure 11 Login Screen 2 Enter the admin...

Страница 31: ... If Dial on demand is enabled this parameter is the number of minutes that the WAN connection is kept active after the last data was sent When this time period is exceeded this WAN link will be dropped This feature ensures that when frequent data traffic is sent or received by the WAN link that the Dial on demand startup delay does not impede the throughput for the user Set to 0 will disable this ...

Страница 32: ...3 254 Host Name This entry is required by certain ISPs Leave this blank if you have not been given this parameter by your ISP WAN s MAC Address This is the MAC address of the Router Clicking on Clone MAC will program the WAN port of the router with the MAC address of your PC Renew IP Forever When enabled the router will automatically renew it s IP address when the address lease time has expired 30...

Страница 33: ... LAN IP Address Enter the IP address of the Router default 192 168 123 254 Account Enter your User Name provided by your ISP Leave this blank if you have not been given a User Name by your ISP Password Enter your Password provided by your ISP Renew IP Forever When enabled the router will automatically renew it s IP address when the address lease time has expired 31 ...

Страница 34: ...P Address Enter the IP address provided by your ISP WAN Subnet Mask Enter the Subnet Mask values provided by your ISP WAN Default Gateway IP Address Your ISP will provide you with the Default Gateway IP Address This is sometimes called the Next hop Domain Name Server DNS Your ISP will provide you with at least one DNS IP Address Multiple DNS IP settings are common The first available DNS entry is ...

Страница 35: ...some ISPs Maximum IdleTime If Dial on demand is enabled this parameter is the number of minutes that the WAN connection is kept active after the last data was sent When this time period is exceeded this WAN link will be dropped This feature ensures that when frequent data traffic is sent or received by the WAN link that the Dial on demand startup delay does not impede the throughput for the user S...

Страница 36: ...er Select DHCP Server from under the Basic Settings Figure 17 DHCP Setup Enable DHCP Server Select Enable to use the DHCP server option of the router If you already have a DHCP server in your network set the router s DHCP option to Disable IP Pool Address Range Enter range of numbers from 0 to 253 for the DHCP server to use when assigning IP Addresses to the attached LAN devices Lease Time Enter t...

Страница 37: ...e router Figure 18 Change Password Old Password If you need to change the password then you must enter the present password in this box Password If the administrator needs to change the password type in the new password here Re type Password If the administrator needs to change the password this box must match the contents of the Password 35 ...

Страница 38: ...r UDP and a TCP UDP port number To view the existing virtual servers or to create a new virtual server click theVirtual Server item in the left side window Select Virtual Server from under the Forwarding Rules in the left hand window Figure 19 Virtual Server Setup Example ID Service Port Server IP Enable Comment 1 80 192 168 123 1 Yes Web Server 2 21 192 168 123 2 Yes FTP Server 3 23 192 168 123 3...

Страница 39: ...uire multiple connections specify the port normally associated with an application in the Trigger Port field then enter the public ports associated with the trigger port to open them for inbound traffic Select Special Applications from under the Forwarding Rules in the left hand window Figure 20 Special Applications Example ID Trigger Port Public Port Comment 1 28800 2300 2400 47624 MSN Game Zone ...

Страница 40: ...pporting special purpose services such as video conferencing and gaming that require proprietary client software and or 2 way user communication Note In order to provide unrestricted access the Firewall provided by the Broadband Access Router to protect this port is disabled thus creating a potentially serious security risk It is recommended that this application should be disabled when it is not ...

Страница 41: ...n the Internet while allowing them access to the Web HTTP services By default packet filtering is disabled Select Packet Filters from under Security Settings in the left hand window Figure 22 Packet Filters To block a particular IP address enter the IP address and the time and days that you would like the protocols to be blocked Note the Simple Network Time Protocol should be enabled for this to f...

Страница 42: ...ain Filters Select Domain Filters from under Security Settings in the left hand window Figure 23 Domain Filters Domain Filters Allows you to prevent users under this device from accessing specific URL s 40 ...

Страница 43: ...left hand window Figure 24 URL Blocking URL Blocking Check Enable or Disable to make this function active or inactive URL If any part of the Website s URL matches the pre defined word the connection will be blocked For example you can use pre defined word sex to block all websites if their URLs contain pre defined word sex Enable Checked to enable each rule 41 ...

Страница 44: ...ontrol Enable if you want the Router to perform MAC Address Control Connection Control Enable if you want the Router to allow or block Clients from connecting to the Internet Choose allow or deny to allow or deny clients whose MAC addresses are not listed in the Control table MAC Address Indicates a specific client s MAC address IP Address Expected IP address of the corresponding client Leave it b...

Страница 45: ... If a unique IP address is specified then only a device with the same IP address can access the router via the WAN port Setting the subnet bits nn will allow a group of administrators to have access Note When Remote Administration is enabled the web server port will be shifted to 88 AdministratorTime out If there is no admin activity via theWAN port for X seconds then the administrator is logged o...

Страница 46: ...rs actions in real time Select System Time from under Advanced Settings in the left hand window Figure 27 System Time Enable NTP Checking this box will force the router to synchronise it s internal system clock against an external Simple Network Time Protocol server Time Server Enter the IP address of the SNTP server Alternatively the time can be set by the PC or manually 44 ...

Страница 47: ...e 28 System Log IP Address for Syslogd Host IP of destination where syslogs file will be sent Check Enable to enable this function IP Address of Outgoing Mail Server Input the IP Address of Outgoing Mail Server For example 192 168 1 100 Log or Alert Recipient The recipients who will receive these logs Check Enable to enable Email alert send syslog via email 45 ...

Страница 48: ...er Enter the name of you Dynamic DNS provider Host Name You can register a domain name to the DDNS provider Username E mail This field is required by DDNS provider to authenticate its users Input username or E mail accord ing to the DDNS provider Password Key This field is required by the DDNS provider Input the password or key according to the DDNS provider 46 ...

Страница 49: ... hand window Figure 30 SNMP Setup Enable SNMP You must check either Local or Remote or both to enable SNMP function If Local is checked this device will respond to requests from the LAN If Remote is checked this device will respond to requests from the WAN 47 ...

Страница 50: ...ne router on your LAN Select Routing from under Advanced Settings in the left hand window Figure 31 Routing Setup Enter the information on the static routes in the following fields Destination IP Address Enter the Destination network address here Subnet Mask Enter the Destination network Subnet Mask here Gateway Enter the Gateway Next Hop for the static route 48 ...

Страница 51: ...o the Website out of office hours Select Schedule Rule from under Advanced Settings in the left hand window Figure 32 Schedule Rule Schedule Enable Selected if you want to Enable the Scheduler Edit To edit the schedule rule Delete To delete the schedule rule Add New Rule Click Add New Rule to enter Schedule Rule Setting 49 ...

Страница 52: ...View Log This allows the users to see all the log events and actions performed by the Router Select View Log from under Toolbox in the left hand window Figure 33 Log file 50 ...

Страница 53: ...ware Upgrade from under Toolbox in the left hand window Figure 34 Firmware Upgrade 1 Use the Browse button to select the image upgrade file on the local computer 2 Select the Update button 3 Wait at least 1 minute for the Router to upload the new image firmware and re boot itself 51 ...

Страница 54: ...under Toolbox in the left hand window Reset to Default Checking this box and then selecting Apply will restore the router back to the factory default settings Reboot This allows the router to be reset without changing any of the parameters programmed by the user Select Reboot from under Toolbox in the left hand window 52 ...

Страница 55: ... the left hand window Figure 35 Wake on LAN MAC Address for Wake on LAN Wake on LAN is a technology that enables you to power up a networked device on the LAN ports remotely Enter the MAC address of the device that should be woken when the router receives aWOL packet 53 ...

Страница 56: ...ndow displays the information shown below l WAN Port IP Address l WAN Port Statistics Help Feature The router s management interface provides an easy to use help function Click the Help button in each configuration page for procedures to configure every parameter and to display definitions of the parameters You can also click the Help item on the selection window to view overall help information 5...

Страница 57: ... the PC l The PC s IP address l The PC s subnet mask l The IP address of the default gateway which is the IP address of the server itself l The DNS Domain Name System The configuration procedures are described below 1 From Windows Control Panel double click on the Network icon to bring up the Network Control Panel 2 Double click on TCP IP in the network component list 3 Click on the IP Address tab...

Страница 58: ... Save the changes and then restart the computer Your PC is ready to access the Internet through the server Setting Up Windows NT 4 0 Clients Before proceeding with the setup below make sure that the TCP IP protocol is already installed on the client computer Please refer to the Windows NT s manuals for the installation procedures Configuring a Client Computer Using the DHCP Server It is recommende...

Страница 59: ...Address tab 5 Select Obtain an IP address from a DHCP server as shown in Figure 37 Figure 37 Microsoft TCP IP Properties Menu 6 Save the changes and then restart the computer Your PC is ready to access the Internet through the server Configuring a Client Computer Manually 57 ...

Страница 60: ... on TCP IP in the network component list 3 Click on the IP Address tab 4 Select the Specifying an IP address as shown in Figure 38 Figure 38 Microsoft TCP IP Properties Menu 5 Enter the IP address for this PC 6 Enter the subnet mask If you kept the default subnet mask setting on the server then enter 255 255 255 0 7 Enter the server s IP address into the Default Gateway field 8 Click on the DNS ta...

Страница 61: ...nter this PC s name to the Host Name field You usually do not need to fill in the Domain field 11 Save the changes and then restart the computer Your PC is ready to access the Internet through the server 59 ...

Страница 62: ...s then open an MS DOS command window and enter the following commands ping 192 168 123 254 This command assumes that the IP address of the router 192 168 123 254 If the router does not respond to the ping com mand contact technical support Testing the LAN Path from your PC to a Remote Device To test the LAN connection to a remote device type in the PING n 10 command followed by the IP address of a...

Страница 63: ...C enter the host name as the router name in the WAN Configuration Upgrading Firmware You can use the web based interface to upgrade the router s firmware and to restore the configuration values Upgrading the firmware is explained in Chapter 5 61 ...

Страница 64: ...CP IP DHCP DNS NAT TFTP HTTP SNMP WAN Port 1 x RJ 45 connector LAN Ports 4 x RJ 45 UTP connectors LED Indicators 1 x Power 1 x Self Test Status 10 x LAN Port Status 2 x WAN Port Status External Power Adapter 5V DC 2A Operating Temperature 0 40oC Storage Temperature 20 70oC Dimensions W x D x H 153mm x 112 4mm x 31mm Weight 230g 62 ...

Страница 65: ...iomas das advertências de segurança neste guia Importante Este apéndice contiene traducciones en múltiples idiomas de los mensajes de seguridad incluidos en esta guía Obs Denna bilaga innehåller flerspråkiga översättningar av säkerhetsmeddelandena i denna handledning Standards This product meets the following safety standards 1 LIGHTNING DANGER DANGER DO NOT WORK on equipment or CABLES during peri...

Страница 66: ...t on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Ca...

Страница 67: ... DE STROOMKABEL TE ONTKOPPELEN OM HET TOESTEL STROOMLOOS TE MAKEN de stroomkabel ontkoppelen 3 ELEKTRISCHE TOESTELLEN VAN KLASSE 1 DIT TOESTEL MOET GEAARD WORDEN De stekker moet aangesloten zijn op een juist geaarde contactdoos Een onjuist geaarde contactdoos kan de metalen onderdelen waarmee de gebruiker eventueel in aanraking komt onder gevaarlijke spanning stellen 4 AAN TE SLUITEN APPARATUUR de...

Страница 68: ...a yhteys ympäröivään huoneilmaan jotta ilmanvaihto tapahtuisi 6 KÄYTTÖLÄMPÖTILA Tämä tuote on suunniteltu ympäröivän ilman maksimilämpötilalle 40 C 7 KAIKKI MAAT Asenna tuote paikallisten ja kansallisten sähköturvallisuusmääräysten mukaisesti Standard Questo prodotto è conforme ai seguenti standard 1 PERICOLO DI FULMINI PERICOLO NON LAVORARE sul dispositivo o sui CAVI durante PRECIPITAZIONI TEMPOR...

Страница 69: ...SE 1 DEVE SER FEITA LIGAÇÃO DE FIO TERRA PARA ESTE EQUIPAMENTO O plugue de alimen tação deve ser conectado a uma tomada com adequada ligação de fio terra Tomadas sem adequa da ligação de fio terra podem transmitir voltagens perigosas a peças metálicas expostas 4 EQUIPAMENTO DE LIGAÇÃO a tomada eléctrica deve estar instalada perto do equipamento e ser de fácil acesso 5 CUIDADO As aberturas de venti...

Страница 70: ... FÖR ATT KOPPLA FRÅN STRÖMMEN dra ur nätkabeln 3 ELEKTRISKT TYP KLASS 1 UTRUSTNING DENNA UTRUSTNING MÅSTE VARA JORDAD Nätkabeln måste vara ansluten till ett ordentligt jordat uttag Ett felaktigt uttag kan göra att närliggande metalldelar utsätts för högspänning Apparaten skall anslutas till jordat uttag när den ansluts till ett nätverk 4 UTRUSTNING MED PLUGG Uttaget skall installeras i utrustninge...

Результаты поиска

Содержание AT-AR221E

Отзывы:

Allied Telesis AT-AR221E, Руководство по установке, Страница: 17 / 70

Результаты поиска

Содержание AT-AR221E

Отзывы: