D-Link DGS-3212SR User Manual Download Page 140

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U.K.

D-Link Europe (United Kingdom) Ltd

Floor, Merit House, Edgware Road, Colindale, London

NW9 5AB United Kingdom

TEL: 44-020-8731-5555 SALES: 44-020-8731-5550

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U.S.A. D-Link

U.S.A.

17595 Mt. Herrmann, Fountain Valley, CA 92708

TEL: 1-

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E-MAIL: [email protected] & [email protected]

Summary of Contents for DGS-3212SR

Page 1: ...D Link DGS 3212SR High Density Layer 2 Modular Gigabit Ethernet Switch Manual...

Page 2: ...strictly forbidden Trademarks used in this text D Link the D LINK logo are trademarks of D Link Computer Corporation Microsoft and Windows are registered trademarks of Microsoft Corporation Other trad...

Page 3: ...340T 1000BASE T Module 4 DEM 340MG SFP Mini GBIC Module 4 DEM 540 IEEE 1394 Stacking Module 5 Switch Stacking 5 Stacking Module LED Indicators 6 Management Options 7 Installation 8 Package Contents 8...

Page 4: ...51 Forwarding and Filtering 53 IGMP Settings 56 Static Router Ports 57 Spanning Tree Protocol Configuration 59 802 1w Rapid Spanning Tree 59 Quality of Service Configuration 64 Traffic Control Broadc...

Page 5: ...SNMP Host Table 97 SNMP Engine ID 98 System Monitoring and Statistics 99 Port Utilization 99 Packets 100 Maintenance 110 Technical Specifications 115 Glossary 117...

Page 6: ...r prompts appearing on your screen For example You have mail Bold font is also used to represent filenames program names and commands For example use the copy command Boldface Typewriter Font Indicate...

Page 7: ...ety section the caution icon is used to indicate cautions and precautions that you need to review and follow Safety Cautions To reduce the risk of bodily injury electrical shock fire and damage to the...

Page 8: ...ated to operate with the power available in your location Safety Instructions continued Use only approved power cable s If you have not been provided with a power cable for your system or for any AC p...

Page 9: ...er installing system components in a rack never pull more than one component out of the rack on its slide assemblies at one time The weight of more than one extended component could cause the rack to...

Page 10: ...is omitted or disconnected Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your system To prevent static damage discharge static electricity from you...

Page 11: ...ing IEEE 1394 stacking cables or up to 8 additional Gigabit Ethernet ports 1000BASE T or SFP or use combination of stacking and Gigabit Ethernet ports Star topology switch stacking configuration for u...

Page 12: ...module or a stacking module to connect to four DES 3226S or four DES 3326S switches LED Indicators The LED indicators of the Switch include Power Console and Link Act The following shows the LED indi...

Page 13: ...supported at this time NOTICE At the time of the writing of this manual stacking of multiple DGS 3212SR switches is not supported The Stack NO LED on the switch s front panel will display an F regardl...

Page 14: ...d in combination with any of the three available modules Plug in modules must be purchased separately DEM 340T 1000BASE T Module Figure 1 4 1000BASE T Four port module Front panel module Connects to 1...

Page 15: ...UT port on the next switch in the stack Restrictions and Cautions for Stacking The DGS 3212SR may serve as the Master of up to eight additional switches The slave switch units must meet the following...

Page 16: ...ed all switches for switch stacking An improperly configured switch stack can cause a broadcast storm Stacking Module LED Indicators Each stacking module has a single Link Act LED indicator for each I...

Page 17: ...or Telnet You can also connect a computer or terminal to the serial console port or use Telnet to access the switch The command line driven interface provides complete access to all switch management...

Page 18: ...Port Password Protection SNMP Settings IP Address Assignment Connecting Devices to the Switch Package Contents Before you begin installing the switch confirm that your package contains the following i...

Page 19: ...until you have properly configured all switches for switch stacking An improperly configured switch stack can cause a broadcast storm Installing the Switch Without the Rack 1 Install the switch on a l...

Page 20: ...ndard 19 inch 48 3 cm racks Refer to the illustrations below 1 Use the supplied screws to attach a mounting bracket to each side of the switch 2 Align the holes in the mounting bracket with the holes...

Page 21: ...D Link DGS 3212SR Layer 2 Gigabit Ethernet Switch Figure 2 3 Install switch in equipment rack 11...

Page 22: ...a ring topology All switches in a stacked group must be properly configured to operate The instructions below Configuring a Stacked Switch Group tell you how to configure the DGS 3212SR to function as...

Page 23: ...g mode to reduce potential confusion To configure the DES 3226S SR to function in a stacked group as a slave do the following 1 At the CLI login prompt enter config stacking mode enable auto and press...

Page 24: ...switch stack consisting of only DES 3226S or DES 3226SR switches The stacking of DGS 3212SR switches is not supported at this time The Unit ID of individual DES 3226S SR switches in a switch stack is...

Page 25: ...7 DES 3226S SR Stacking Module Front Panel NOTICE At the time of the writing of this manual the Unit ID STACK NO of a DES 3226S SR switch in a switch stack connected to a DGS 3212SR will be determine...

Page 26: ...ndant Power System The switch supports an external redundant power system Figure 2 5 DPS 200 with DES 3226S NOTE See the DPS 200 documentation for more information CAUTION Do not use the switch with a...

Page 27: ...ow and Ctrl keys Ensure that you select Terminal keys not Windows keys NOTICE When you use HyperTerminal with the Microsoft Windows 2000 operating system ensure that you have Windows 2000 Service Pack...

Page 28: ...nistrator account being created and press the Enter key 3 You will be prompted to enter the same password again to verify it Type the same password and press the Enter key 4 Successful creation of the...

Page 29: ...eparated into two parts The first part is to maintain a list of users and their attributes that are allowed to act as SNMP managers The second part describes what each user on that list can do as an S...

Page 30: ...managed with the Web based manager The switch IP address can be automatically set using BOOTP or DHCP protocols in which case the actual address assigned to the switch must be known The IP address may...

Page 31: ...ia the Web based management Connecting Devices to the Switch After you assign IP addresses to the switch you can connect devices to the switch To connect a device to an SFP transceiver port 1 Use your...

Page 32: ...ol The Web based management module and the Console program and Telnet are different ways to access the same internal switching software and configure it Thus all settings encountered in web based mana...

Page 33: ...Manager Screen Area Function 1 Presents a graphical near real time image of the front panel of the switch This area displays the switch s ports and expansion modules showing port activity duplex mode...

Page 34: ...egmentation multicast router server MAC checking and 802 1x The Switch Information page is used to enter system contact and physical location information and lists basic information such as the switch...

Page 35: ...Information window shows which if any external modules are installed and the switch s MAC Address assigned by the factory and unchangeable In addition the Boot PROM and Firmware Version numbers are s...

Page 36: ...subnet mask of 255 0 0 0 and a default gateway of 0 0 0 0 To manually assign the switch s IP address subnet mask and default gateway address Select Manual from the Get IP From drop down menu Enter the...

Page 37: ...require entries under this option are as follows Subnet Mask A Bitmask that determines the extent of the subnet that the Switch is on Should be of the form xxx xxx xxx xxx where each xxx is a number...

Page 38: ...xxx xxx xxx xxx z Where the x s represent the IP address to be assigned to the IP interface named System and the z represents the corresponding number of subnets in CIDR notation The IP interface name...

Page 39: ...User Name and New Password and retype the same password in the Confirm New Password entry field Choose the level of privilege Admin or User from the Access Right drop down menu To add a user account...

Page 40: ...s Yes No Admin and User Privileges After establishing a User Account with Admin level privileges be sure to save the changes see below Saving Changes Changes made to the switch s configuration must be...

Page 41: ...ch is rebooted it will return to the last configuration saved to the switch s NV RAM using the Save Changes option Reset System returns all configuration settings to the factory default settings but d...

Page 42: ...valent to executing Save Changes and then restarting the switch Switch Information The first page displayed upon logging in presents the System Information menu This page can be accessed at any time b...

Page 43: ...anager and their corresponding CLI command groups are the following Parameter Description Serial Port Auto Logout Select the logout time used for the console interface This automatically logs the user...

Page 44: ...allow configuration of the system through Telnet choose Disabled Web Status Web based management is Enabled by default If you choose to disable this by selecting Disabled you will lose the ability to...

Page 45: ...a switch s default stacking configuration for example the order in the stack you must use the console Command Line Interface The number of switches in the switch stack up to 5 total are displayed in t...

Page 46: ...itches in the switch stack Entering the show stacking command with no parameters returns all of the relevant stacking information for all of the switches in the stack Figure 4 2 Console CLI show stack...

Page 47: ...D Link DGS 3212SR Layer 2 Gigabit Ethernet Switch Figure 4 3 config stacking Command 37...

Page 48: ...LAN In the Configuration folder open the VLAN folder and click the Static VLAN Entry link to open the following menu Figure 5 1 802 1Q Static VLANs The 802 1Q Static VLANs menu lists all previously co...

Page 49: ...in the Add dialog box or for editing the VLAN name in the Edit dialog box Port Allows an individual port to be specified as member of a VLAN Tag Specifies the port as either 802 1Q tagging or 802 1Q u...

Page 50: ...d packets received on port 2 will be assigned to VLAN 3 This number is generally the same as the VID number assigned to the port in the Edit 802 1Q VLANs menu above Ingress Check This field can be tog...

Page 51: ...New button in the header row of the table To edit an existing VLAN click on the Modify button of the VLAN you want to edit To eliminate an entire VLAN click on the X button for the VLAN you wish to de...

Page 52: ...AN Edit 802 1Q VLANs The following figure and table describe how to edit an existing 802 1Q VLAN entry on the switch Figure 5 7 802 1Q Static VLANs Entry Settings Edit Screen The Static VLANs Edit scr...

Page 53: ...e Apply button to make your changes take effect 802 1Q Port Settings Open the 802 1Q Port Settings menu and select the Unit and range of ports to configure For the selected port or group of ports choo...

Page 54: ...s destination the receiving device will use the PVID to make VLAN forwarding decisions If a packet is received by the port and Ingress filtering is enabled the port will compare the VID of the incomin...

Page 55: ...between ports decides to filter or forward the packet Egress rules determines if the packet must be sent tagged or untagged Figure 5 9 IEEE 802 1Q Packet Forwarding 802 1Q VLAN Tags The figure below...

Page 56: ...n common use These VLANs relied upon a Port VLAN ID PVID to forward packets A packet received on a given port would be assigned that port s PVID and then be forwarded to the port that corresponded to...

Page 57: ...and out of those ports If the packet doesn t have an 802 1Q VLAN tag the port will not alter the packet Thus all packets received by and forwarded by an untagging port will have no 802 1Q VLAN informa...

Page 58: ...s 1 Choose the Unit from the pull down menu 2 Choose the port or sequential range of ports using the From To port pull down menus 3 Use the remaining pull down menus to configure the parameters descri...

Page 59: ...the forwarding table This is sometimes done for reasons of security or efficiency See the section titled Forwarding and Filtering for information on entering MAC addresses into the forwarding table P...

Page 60: ...m a 100 Mbps port onto a 10 Mbps port this can cause throughput problems The port you are copying frames from should always support an equal or lower speed than the port to which you are sending the c...

Page 61: ...tion group This port is called the Master Port of the group and all configuration options including the VLAN configuration that can be applied to the Master Port are applied to the entire link aggrega...

Page 62: ...s to quickly isolate a bandwidth intensive network device or to have an absolute backup aggregation group that is not under automatic control Type This pull down menu allows you to select between Stat...

Page 63: ...dress resides MAC Address The MAC address to which packets will be statically forwarded This must be a unicast MAC address Allowed to Go to Unit Allows the designation of the module on which the above...

Page 64: ...MAC Address The MAC address of the static source of multicast packets This must be a multicast MAC address VID The VLAN ID of the VLAN the above MAC address belongs to Port Settings Allows the selecti...

Page 65: ...to select a range of ports that the filter settings will be applied to Mode This drop down menu allows you to select the action the switch will take when it receives a multicast packet that is to be f...

Page 66: ...Multicast group member based on IGMP messages sent from the device to the IGMP host or vice versa The Switch monitors IGMP messages and discontinues forwarding multicast packets when there are no lon...

Page 67: ...the forwarding table without receiving a membership report Default 260 Leave Timer This specifies the maximum amount of time in seconds between the Switch receiving a leave group message from a host...

Page 68: ...tries page shown above displays all of the current entries to the Switch s static router port table To add or modify an entry click the Modify button This will open the Static Router Ports Settings pa...

Page 69: ...sed in 802 1d and creates a single state Discarding In either case ports do not forward packets in the STP port transition states disabled blocking or listening or in the RSTP port state discarding th...

Page 70: ...TP can interoperate with legacy equipment and is capable of automatically adjusting BPDU packets to 802 1d format when necessary However any segment using 802 1 STP will not benefit from the rapid tra...

Page 71: ...port on the Switch spends in the listening state while moving from the blocking state to the forwarding state Priority 0 61440 32768 A Priority for the switch can be set from 0 to 61440 This number i...

Page 72: ...bove with the addition of Port Priority and Port Cost An STP Group spanning tree works in the same way as the switch level spanning tree but the root bridge concept is replaced with a root port concep...

Page 73: ...P status to 802 1w RSTP status RSTP can coexist with standard STP however the benefits of RSTP are not realized on a port where an 802 1d network connects to an 802 1w enabled network Migration should...

Page 74: ...lassification can be done with the Output Scheduling menu also explained below Individual ports may still be assigned priority using the 8 levels as defined by the 802 1p standard It is important to n...

Page 75: ...icast Storm and Destination Look Up Failure may be Enabled or Disabled The Threshold value is the upper threshold at which the specified traffic control is switched on This is the number of Broadcast...

Page 76: ...ion QoS can be customized by changing the output scheduling used for the hardware queues in the Switch As with any changes to QoS implementation careful consideration should be given to how network tr...

Page 77: ...figuration window This window allows you to configure traffic class priority by specifying the class value from 0 to 3 of the Switch s eight levels of priority Click Apply to let your changes take eff...

Page 78: ...y a switch from a switch stack and then a port from that switch Then you specify a second switch from the switch stack and then you select which ports or different ports on the same switch on that swi...

Page 79: ...ive packets from the port specified above Click Apply to enter the settings into the switch s Traffic Segmentation table Bandwidth Control The bandwidth control settings are used to place a ceiling on...

Page 80: ...Switch no_limit This drop down menu allows you to specify that the selected port will have no bandwidth limit Enabled disables the limit Rate This field allows you to enter the data rate in kb s that...

Page 81: ...set Parameter Description Unit Allows you to specify a switch in a switch stack using that switch s Unit ID 15 indicates a switch in standalone mode From To A consecutive group of ports may be config...

Page 82: ...The following parameters can be set Parameter Description Unit Allows you to specify a switch in a switch stack using that switch s Unit ID 15 indicates a switch in standalone mode From To A consecuti...

Page 83: ...Figure 13 2 System Log Servers Add The following parameters can be set Parameter Description Index Syslog server settings index 1 4 Server IP The IP address of the Syslog server Severity This drop dow...

Page 84: ...messages generated internally by syslog line printer subsystem 7 network news subsystem 8 UUCP subsystem 9 clock daemon 10 security authorization messages 11 FTP daemon 12 NTP subsystem 13 log audit...

Page 85: ...ess to the network Figure 14 1 System Log Servers Add The following parameters can be set Parameter Description Unit Allows you to specify a switch in a switch stack using that switch s Unit ID 15 ind...

Page 86: ...rameters can be set or are displayed Parameter Description Current Time Displays the current system time Time Source Displays the time source for the system SNTP State Use this pull down menu to Enabl...

Page 87: ...HH MM SS Enter the current time in hours minutes and seconds if you want to update the system clock Time Zone and DST Figure 15 2 Time Zone and DST Settings Page The following parameters can be set Pa...

Page 88: ...Month Enter the month DST will start on From time in HH MM Enter the time of day that DST will start on To Which Day Should be To Which Week Enter the week of the month the DST will end To Day of Wee...

Page 89: ...rame The entire process is described below in two parts To display the currently configured Access Profiles on the switch open the Configuration folder and click on the Access Profile Table link This...

Page 90: ...MAC address 802 1p Selecting this option instructs the switch to examine the 802 1p priority value of each packet header and use this as the or part of the criterion for forwarding Ethernet type Sele...

Page 91: ...ne the VLAN part of each packet header and use this as the or part of the criterion for forwarding Source IP Mask Source IP Mask Enter an IP address mask for the source IP address Destination IP Mask...

Page 92: ...k for the destination port in hex form hex 0x0 0xffff Select UDP to use the UDP port number contained in an incoming packet as the forwarding criterion Selecting UDP requires that you specify a source...

Page 93: ...switch be entered here to avoid possible frequent disconnection from the switch s Web based management agent Figure 17 1 Security IP Management The following fields can be set Parameter Description IP...

Page 94: ...de of IEEE 802 1X Port Based Network Access Control Through this mechanism users have to be authorized before being able to access the network See the following figure Figure 17 2 Typical 802 1X Confi...

Page 95: ...1X Configuration with User Authentication The user s information including account number password and configuration details such as IP address and billing information is stored in a centralized RADIU...

Page 96: ...EE 802 1X Standards Configure Authenticator To display the current 802 1X Authenticator Settings on the switch open the Security folder and then the Port Access Entity folder and finally click on the...

Page 97: ...is auto This enables 802 1X and causes the port to begin in the unauthorized state allowing only EAPOL frames to be sent and received through the port The authentication process begins when the link s...

Page 98: ...n menu select Force Authorized Force Unauthorized or Auto Force Authorized forces the Authenticator of the port to become Authorized Force Unauthorized forces the port to become Unauthorized TxPeriod...

Page 99: ...X Authenticator Settings To set up the Switch s 802 1X port based authentication select which ports are to be configured in the From and To fields Next enable the ports by selecting Authenticator from...

Page 100: ...r Authentic Port This is the UDP port on the Radius server that will be used to authenticate users The default is 1812 Accounting Port This is the UDP port on the Radius server that will be used to lo...

Page 101: ...device SNMP settings are configured using the menus located on the SNMP V3 folder of the web manager Workstations on the network that are allowed SNMP privileged access to the switch can be restricte...

Page 102: ...HMAC MD5 96 authentication level will be used SHA Indicates that the HMAC SHA authentication protocol will be used Priv Protocol None Indicates that no authorization protocol is in use DES Indicates...

Page 103: ...vel will be used SHA Specifies that the HMAC SHA authentication protocol will be used Priv Protocol None Specifies that no authorization protocol is in use If an authorization protocol is chosen you m...

Page 104: ...SNMP view being created Subtree OID Type the Object Identifier OID Subtree for the view The OID identifies an object tree MIB tree that will be included or excluded from access by an SNMP manager View...

Page 105: ...ing parameters can be set Parameter Description Group Name Type an alphanumeric string of up to 32 characters This is used to identify the new SNMP group of SNMP users Read View Name This name is used...

Page 106: ...agent The community string acts like a password to permit access to the agent on the switch One or more of the following characteristics can be associated with the community string An Access List of I...

Page 107: ...g SNMP Host Table entry click the corresponding X icon under the Delete heading To display the current settings for an existing SNMP Group Table entry click the blue link for the entry under the Host...

Page 108: ...ntations This is an alphanumeric string used to identify the SNMP engine on the switch To display the switch s SNMP Engine ID open the Management folder and then the SNMPV3 folder Next click on the SN...

Page 109: ...ing a line graph or table format To view the port utilization click on the Network Monitoring folder then the Statistics folder and then the Port Utilization link Figure 19 1 Port Utilization Line Cha...

Page 110: ...d sets the interval at which the error statistics are updated The following fields can be set Parameter Description Unit Allows you to specify a switch in a switch stack using that switch s Unit ID 15...

Page 111: ...nterval field sets the interval at which the error statistics are updated The following fields can be set Parameter Description Unit Allows you to specify a switch in a switch stack using that switch...

Page 112: ...dicates a switch in standalone mode Port Allows you to specify a port to monitor from the switch selected above Update Interval The time between updates received from the switch in seconds Suspend sto...

Page 113: ...nu The Update Interval field sets the interval at which the error statistics are updated The following fields can be set Parameter Description Unit Allows you to specify a switch in a switch stack usi...

Page 114: ...that 64 octets in length excluding framing bits but including FCS octets and had either an FCS or an alignment error Jabber The total number of frames received that were longer than 1518 octets exclud...

Page 115: ...a port to monitor from the switch selected above Update Interval The time between updates received from the switch in seconds Suspend stops the updates The default is 1s Allows you to specify a switc...

Page 116: ...statistics are updated The following fields can be set Parameter Description VLAN ID Enter the VLAN ID of the VLAN you want to view the MAC Address table for MAC Address Enter a particular MAC address...

Page 117: ...onding MAC address from IGMP packets that pass through the switch The number of IGMP reports that were snooped is also displayed in the Reports field Figure 19 9 IGMP Snooping Table The following fiel...

Page 118: ...ed by a user using the console or Web based management interfaces is displayed as a static router port designated by S A router port that is dynamically configured by the switch is designated by D Fig...

Page 119: ...Session Table The Session Table page displays the management sessions since the switch was last rebooted Figure 19 12 Session Table Port Access Control This feature was not supported at the writing of...

Page 120: ...5 indicates a switch in standalone mode Enter the IP address of the TFTP server in the Server IP Address field The TFTP server must be on the same IP subnet as the switch Enter the path and the filena...

Page 121: ...ch History to TFTP Server To upload the switch history log file to a TFTP server click on the Maintenance folder then the TFTP Service folder and then the Save History Log link Figure 20 4 Save Switch...

Page 122: ...s to NV RAM before rebooting the switch To retain any configuration changes permanently click on the Save Configuration button in the Save Changes page as shown below Figure 20 6 Save Changes Once the...

Page 123: ...the last saved configuration when rebooted In addition the Reset System option is added to reset all configuration parameters to their factory defaults save these parameters to the switch s non volat...

Page 124: ...D Link DGS 3212SR Layer 2 Gigabit Ethernet Switch Logout Use the Logout page to logout of the switch s Web based management agent by clicking on the Log Out button Figure 20 9 Logout 114...

Page 125: ...IEEE 802 3 Nway auto negotiation Protocols CSMA CD Data Transfer Rates Ethernet Fast Ethernet Gigabit Ethernet Fiber Optic Half duplex Full duplex 10 Mbps 20Mbps 100Mbps 200Mbps 1000Mbps 2000Mbps IEC...

Page 126: ...441 mm x 309 mm x 44 mm 17 36 x 12 16 1 73 inches 1 0U 19 inch rack mount width Weight 4 4 kg 9 7 lbs EMI FCC Part 15 IECES 003 Canada EN55022 EN50082 1 or EN55024 BSMI CNS13438 Safety UL 1950 CSA22...

Page 127: ...ed In addition the protocol can assign the subnet mask and default gateway to a device bridge A device that interconnects local or remote networks no matter what higher level protocols are involved Br...

Page 128: ...ed systems The Switch contains its own internal MIB multicast Single packets copied to a specific subset of network addresses These addresses are specified in the destination address field of the pack...

Page 129: ...minal service letting a user log in to another computer system and access a host as if the user were connected directly to the host TFTP Trivial File Transfer Protocol Allows you to transfer files suc...

Page 130: ...ble warranty period D Link will provide repair or replacement of the product D Link shall have the sole discretion whether to repair or replace and replacement product may be new or reconditioned Repl...

Page 131: ...anty that operation of its software products will be uninterrupted or absolutely error free and no warranty that all defects in the software product within or without the scope of D Link s applicable...

Page 132: ...ren Zeitraum nicht benutzt sollten Sie es vom Stromnetz trennen Somit wird im Falle einer berspannung eine Besch digung vermieden 13 Durch die L ftungs ffnungen d rfen niemals Gegenst nde oder Fl ssig...

Page 133: ...Hardware D Link warrants each of its hardware products to be free from defects in workmanship and materials under normal use and service for a period commencing on the date of purchase from D Link or...

Page 134: ...his warranty but shall not apply to any update or replacement which may be provided for download via the Internet or to any update which may otherwise be provided free of charge D Link s sole obligati...

Page 135: ...ion from the date of original retail purchase of the Software for a period of ninety 90 days Warranty Period provided that the Software is properly installed on approved hardware and operated as conte...

Page 136: ...PRODUCT IS WITH THE PURCHASER OF THE PRODUCT Limitation of Liability TO THE MAXIMUM EXTENT PERMITTED BY LAW D LINK IS NOT LIABLE UNDER ANY CONTRACT NEGLIGENCE STRICT LIABILITY OR OTHER LEGAL OR EQUITA...

Page 137: ...let on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help For detailed warranty outside the United States please contact...

Page 138: ...iao Road Haidan District 100081 Beijing China TEL 86 10 68467106 FAX 86 10 68467110 URL www dlink com cn E MAIL liweii digitalchina com cn Denmark D Link Denmark Naverland Denmark Naverland 2 DK 2600...

Page 139: ...92 FAX 7 095 737 3390 URL www dlink ru E MAIL vl dlink ru Singapore D Link International 1 International Business Park 03 12 The Synergy Singapore 609917 TEL 6 6774 6233 FAX 6 6774 6322 E MAIL info dl...

Page 140: ...8731 5555 SALES 44 020 8731 5550 FAX 44 020 8731 5511 SALES 44 020 8731 5551 BBS 44 0 181 235 5511 URL www dlink co uk E MAIL info dlink co uk U S A D Link U S A 17595 Mt Herrmann Fountain Valley CA...

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