D-Link 48-Port 10/100Mbps Web-Smart Switch with 4-Port 10/100/1000Base-T and 2-Port Combo SFP... User Manual Download Page 36

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Tool Menu

The Tool Menu offers global function controls such as Reset,
Configuring Backup and Restoration, Firmware Backup and Upload,
and System Reboot.

Figure 17 – Tool Menu

Reset:

Provides a safe reset option for the Switch. All configurations

will be reset to default.

Figure 18 – Tool Menu > Reset

Configure Backup and Restore:

Allows the current configuration

settings to be saved to a file (not including the password), and if
necessary, to be restored from a backup.

Figure 19 – Tool Menu > Configure Backup and Restore

Summary of Contents for 48-Port 10/100Mbps Web-Smart Switch with 4-Port 10/100/1000Base-T and 2-Port Combo SFP...

Page 1: ...DES 1228P 24 Port 10 100Mbps PoE Web Smart Switch with 4 Port 10 100 1000Base T and 2 Port Combo SFP User Manual V1 20 ...

Page 2: ...nology 4 Power over Ethernet PoE 4 Features 5 Technical Specifications 6 Unpacking and Installation 11 Unpacking 11 Installation 11 Rack Mounting 12 Connecting Network Cables 13 AC Power 14 Identifying External Components 15 Front Panel 15 Rear Panel 17 Understanding LED Indicators 17 Power and System LEDs 18 Configuration 22 Supported web browsers 22 ...

Page 3: ...System Trap Setting 35 System Port Setting 37 System SNMP Setting 38 System Password Access Control 40 Configuration 802 1Q VLAN 40 Configuration Trunking 43 Configuration IGMP Snooping 43 Configuration 802 1D Spanning Tree 47 Configuration Port Mirroring 49 Configuration LLDP 50 Power over Ethernet PoE PoE Port Setting 50 Power over Ethernet PoE PoE System Setting 52 QoS 802 1p Default Priority 5...

Page 4: ...i ii ii i Security Broadcast Storm Control 54 Security 802 1X Setting 54 Security Mac Address Table Static Mac 56 Security Mac Address Table Dynamic Forwarding Table 57 Monitoring Statistics 58 ...

Page 5: ...e Switch provides up to 15 4Watts per port and can be connected to WLAN access points IP phones video cameras and other PD devices The Switch will automatically detect the network appliance s requirements and the Switch will supply the required power current to each appliance Purpose This guide will show you how to install and use the configuration functions of the DES 1228P Web Smart Switch step ...

Page 6: ...ting existing investments in hardware software or trained personnel The increased speed and extra bandwidth offered by Gigabit Ethernet is essential to help solving network bottlenecks that frequently develop as more advanced computer users and newer applications continue to demand greater network resources Upgrading key components such as backbone connections and servers to Gigabit Ethernet techn...

Page 7: ...ions are fueling the need for high performance networks A number of high speed LAN technologies have been proposed to provide greater bandwidth and improve client server response times Among them 100BASE T Fast Ethernet provides a non disruptive smooth evolution from the current 10BASE T technology The non disruptive and smooth evolution nature and the dominating potential market base virtually gu...

Page 8: ...or network transmission capacity The switch acts as a high speed selective bridge between the individual segments The switch without interfering with any other segments automatically forwards traffic that needs to go from one segment to another By doing this the total network capacity is multiplied while still maintaining the same network cabling and adapter cards Power over Ethernet PoE Power ove...

Page 9: ...which complies the IEEE802 3af Power over Ethernet standard IGMP Snooping support IEEE802 1D Spanning Tree Support static Port Trunk IEEE802 3x flow control in full duplex mode Port Mirroring support IEEE802 1Q VLAN IEEE802 1p Priority Queues IEEE802 1x Port based Access Control Supports Broadcast Storm Control Supports Static MAC setting D Link Safeguard Engine support Supports Simple Network Man...

Page 10: ...etc Reset configuration hardware and Web GUI Technical Specifications Key Components Performance Switching Capacity 12 8Gbps Max Forwarding Rate 10M 14 880 pps 100M 148 809 pps 1G 1 488 095 pps Forwarding Mode Store and Forward Packet Buffer memory 128K Bytes SDRAM for CPU 8M Bytes Flash Memory Prom 2M Bytes Port Functions LAN 24 x 10 100BaseT ports Compliant with the following standards IEEE 802 ...

Page 11: ... 802 3ab compliance 4 Support Full Duplex operations SFP Transceivers Supported 1 DEM 310GT 1000BASE LX 2 DEM 311GT 1000BASE SX 3 DEM 314GT 1000BASE LH 4 DEM 315GT 1000BASE ZX 5 DEM 312GT2 1000BASE SX up to 2km 6 DEM 210 100BASE FX up to 2km Multi Mode 7 DEM 211 100BASE FX up to 15km Single Mode WDM Transceivers Supported 1 DEM 330T TX 1550 RX 1310nm up to 10km Single Mode 2 DEM 330R TX 1310 RX 15...

Page 12: ...erations Power over Ethernet PoE Capable Ports Port 1 24 PoE Specification 1 Supplies power to PD device up to 15 4W per port meeting IEEE802 3af standards and more sufficiently is able to provide power to PD devices 2 Power Budget 170W max 3 Auto discovery feature automatically recognize the connection of PD device and immediately sends power to it 4 Auto disable port if the port current is over ...

Page 13: ...1228P follow the PSE pinout standard of Alternative A which is sending out power over number 1 2 3 6 pins of 8 wires of CAT5 UTP cable Chassis Dimensions 19 inch 1U Rack mount size 440mm x 210mm x 44mm Reset button on the front panel A factory reset button x 1 Physical Environment AC input 100 240 VAC 50 60Hz Internal universal power supply Operation Temperature 0 40 C Storage Temperature 10 70 C ...

Page 14: ...ion 10 90 RH Storage 5 90 RH Power consumption 222 watts Heat Dissipation 750 2 btu hr MTBF 149 676 hours Emission EMI and Safety Certifications EMI EMC Compliance FCC class A CE Class A VCCI Class A Safety Compliance cUL UL ...

Page 15: ...for shock cushioning Screws and two mounting brackets CD Rom with the SmartConsole Utility application which includes the full User s Guide Quick Installation Guide If any item is found missing or damaged please contact the reseller for replacement Installation The site chosen for installation greatly affects the Web Smart Switch s performance When installing consider the following points Install ...

Page 16: ...ck For information on rack installation see the next section Rack Mounting When installing the Switch on a level surface attach the rubber pads feet to the bottom The rubber feet cushion the switch and helps protect the case from scratches Figure 1 Attach the adhesive rubber pads to the bottom Rack Mounting The Switch can be mounted in an EIA standard size 19 inch rack or chassis which can be plac...

Page 17: ...etwork Cables The DES 1228P has 24 ports that support 10 100Mbps Fast Ethernet it also has 4 10 100 1000Base T Ports and 2 Combo SFPs Each port on the DES 1228P supports Auto MDI MDI X Auto MDI MDI X is a feature that enables the switch to auto sense what kind of cable is used on a port straight or crossover This allows any type of cables to be used with the switch regardless of what device is bei...

Page 18: ... 50 60Hz The power switch is located at the rear of the unit adjacent to the AC power connector and the system fan The switch s power supply will adjust to the local power source automatically and may be turned on without having any or all LAN segment cables connected ...

Page 19: ...orts Port 1 24 The DES 1228P is equipped with 24 Fast Ethernet twisted pair ports that are auto negotiable 10 100Mbps and also support auto MDI MDIX crossover detection All these 24 ports can operate in half and full duplex modes and will be automatically activated when a compatible terminal is identified The Switch will provide the power needed through the PoE port to the connected PD For Legacy ...

Page 20: ...0BASE FX or 1000BASE SX LX Mini GBIC modules for fiber uplinks 10 100 1000 BASE T Twisted Pair Ports Port 27 28 Finally there are 2 Gigabit twisted pair ports that are auto negotiable 10 100 1000Mbps with auto MDI MDIX crossover detection support that can also operate in half and full duplex modes Note When a port is set to Forced Mode the Auto MDI MDIX is disabled ...

Page 21: ...le into a power outlet Supported input voltages range from 100 240V AC and 50 60Hz Understanding LED Indicators The front panel LEDs provides instant status feedback and simplifies monitoring and troubleshooting tasks Figure 6 LED indicators of the Switch Reset button The Reset button resets all configuration settings back to the factory AC Power Connector ...

Page 22: ...Switch is receiving power Off When the Power LED light is off the power cord is not or improperly connected CPU LEDs Management Indicator Blinking When the CPU is working the CPU LED is blinking Off The CPU is idle Ports 1 24 Status LEDs Link Act On When the Link Act LED light is on the respective port is successfully connected to an Ethernet network Blinking When the Link Act LED is blinking the ...

Page 23: ...ort is providing 48V of power Off When the light is off either the respective port is receiving power from an AC power source or no 802 3af PD is found Red Light When the Red light is on an error has occurred at the respective port Option Ports 25 26 10 100 1000 Base T Mini GBIC Status LEDs FX Link On When the FX Link LED light is on the respective port is connected to a 100 or 1000Mbps Gigabit Et...

Page 24: ...rt is connected to a 1000Mbps Gigabit Ethernet network Off When the respective port is connected to a 100Mbps Fast Ethernet or no link 100Mbps On When the 100Mbps LED lights on the respective port is connected to a 100Mbps Fast Ethernet network Off When the respective port is connected to a 1000Mbps Gigabit Ethernet network or no link Ports 27 28 10 100 1000 Base T LEDs Link Act On When the Link A...

Page 25: ...pective port is connected to a 1000Mbps Gigabit Ethernet network Off When the respective port is connected to a 10Mbps Ethernet or 100Mbps Fast Ethernet network or no link 100Mbps On When the 100Mbps LED light is on the respective port is connected to a 100Mbps Fast Ethernet network Off When the respective port is connected to a 10Mbps Ethernet or 1000Mbps Gigabit Ethernet network ...

Page 26: ...le Utility The SmartConsole Utility allows a user to monitor and configure multiple D Link Web Smart Switches from a workstation connected to the network Follow these steps to install the SmartConsole Utility 1 Insert the Utility CD in your CD Rom Drive 2 From the Start menu on the Windows desktop choose Run 3 In the Run dialog box type D SmartConsole Utility setup exe where D represents the drive...

Page 27: ...sole Utility Menu Toolbar The Menu Toolbar in the SmartConsole Utility has four main tabs File View Option and Help File includes Monitor save Monitor save as Monitor load and Exit Monitor Save To record the setting of the Monitor List as default for the next time the SmartConsole Utility is used Monitor Save As To record the setting of the Monitor List in an appointed filename and file path ...

Page 28: ... log entries Option includes Refresh Time and Group Interval functions Refresh time refreshes the monitoring time of the device Choices include 15 secs 30 secs 1 min 2 min and 5 min for selecting the monitoring time intervals Group Interval establishes the intervals in seconds that the Web Smart Switch will be discovered in the SmartConsole Utility Discovery List NOTE If the Group Interval is set ...

Page 29: ...es are listed in the discovery list Double click or press the Add to monitor list button to select a device from the Discovery List to the Monitor List Definitions of the Discovery List features MAC Address Shows the device MAC Address IP Address Shows the current IP addresses of devices Protocol version Shows the version of the Utility protocol Product Name Shows the device product name System Na...

Page 30: ...atus information of the device Definitions of the Monitor List functions and terms S Shows the system symbol of the Web Smart device represents the device system is inactive IP Address Shows the current IP address of the device MAC Address Shows the device MAC Address Protocol version Shows the version of the Utility protocol Product Name Shows the device product name System Name Shows the appoint...

Page 31: ...o view Figure 8 Figure 8 View trap When the View Trap button is clicked a Trap Information window will pop up showing the trap information such as Symbol Time Device IP and the Event occurred Figure 9 The symbol represents a new trap signal and will disappear after the event record is reviewed clicked Figure 9 Trap information Note To receive Trap information the switch must be configured with Tra...

Page 32: ...ess Subnet Mask Gateway Set Trap to Trapping IP Address System name Location Password and DHCP ON OFF OFF is default After selecting the device from the Discovery List or Monitor List and pressing Configuration Setting modify the information necessary and press Set Figure 10 Configuration Setting Password Change To change the password fill in the new and original password and press Set Figure 11 P...

Page 33: ...lect a device in the Monitor List and press the Web Access button to open the Web based Utility To see the list of web browsers the Web based Utility supports see Supported web browsers on page 22 DHCP Refresh select a device in the Monitor List and press the DHCP Refresh and enter the password if applicable to trigger the Web Smart Switch to request an IP address from a DHCP Server Figure 13 DHCP...

Page 34: ... switch For example if the switch has an IP address of 192 168 0 1 the PC should have an IP address of 192 168 0 x where x is a number between 2 and 254 and a subnet mask of 255 255 255 0 Open your web browser and enter http 192 168 0 1 the factory default IP address in the address box Then press Enter Figure 14 Figure 14 Logging into the Switch s DHCP assigned IP address The web configuration can...

Page 35: ...successfully logged in the device status page will appear In the top right corner the user name default admin is displayed with the IP address of the Switch Below this is a Logout option for use when the session is complete Figure 16 Device Status ...

Page 36: ...t Figure 17 Tool Menu Reset Provides a safe reset option for the Switch All configurations will be reset to default Figure 18 Tool Menu Reset Configure Backup and Restore Allows the current configuration settings to be saved to a file not including the password and if necessary to be restored from a backup Figure 19 Tool Menu Configure Backup and Restore ...

Page 37: ... reboot the system Ensure the configuration has been saved or all the changes you just made may be lost after system reboot Figure 21 Tool Menu System Reboot Setup Menu All configuration options on the switch are accessed through the Setup menu on the left side of the screen Figure22 Click on the setup item that you want to configure The following sections describe in more detail each of the featu...

Page 38: ...P server to provide it with an IP address network mask and default gateway before using the default or previously entered settings By default the IP setting is static mode By entering a System Name and System Location the device can more easily be recognized through the SmartConsole Utility and in other Web Smart devices on the LAN The Login Timeout controls the idle time out for security purposes...

Page 39: ... send IGMP v1 report according the value which unit is seconds Figure 23 System System Setting System Trap Setting By configuring the Trap Setting it allows SmartConsole Utility to monitor specified events on this Web Smart Switch By default Trap Setting is Disabled When the Trap Setting is Enabled enter the Destination IP address of the managing PC that will receive trap information ...

Page 40: ...p information Illegal Login Traps events of incorrect password logins recording the IP of the originating PC Fiber Port Events Monitors the fiber port status Link Up Link Down Traps fiber connection information Twisted pair Port Events Monitors the copper cable port status Link Up Link Down Traps copper connection information ...

Page 41: ...w the latest Link Status and Priority press the Refresh button Figure 25 System Port Setting Speed Fiber connections can operate in Forced Mode settings 1000M Full Auto or Disable Copper connections can operate in Forced Mode settings 100M Full 100M Half 10M Full 10M Half Auto or Disable The default setting for all ports is Auto 100Base FX Fiber supports 100M full half force mode NOTE Be sure to a...

Page 42: ... to read and modify the settings of gateways routers switches and other network devices Use SNMP to configure system features for proper operation monitor performance and detect potential problems in the Switch or LAN Managed devices that support SNMP include software referred to as an agent which runs locally on the device A defined set of variables managed objects is maintained by the SNMP agent...

Page 43: ...ed for SNMP v 1 management access are Public The community with read only privilege allows authorized management stations to retrieve MIB objects Private The community with read write privilege allows authorized management stations to retrieve and modify MIB objects Trap Setting Traps are messages that alert network personnel of events that occur on the Switch Such events can be as serious as a re...

Page 44: ... Up Link Down Twisted Pair Abnormal Receive Error Twisted Pair Abnormal Transmit Error System Password Access Control Setting a password is a critical tool for managers to secure the Web Smart Switch After entering the old password and the new password two times press Apply for the changes to take effect Figure 27 System Password Access Control Configuration 802 1Q VLAN A VLAN is a group of ports ...

Page 45: ...med default and all 28 ports as Untagged see Figure 29 Rename Click to rename the VLAN group Delete VID Click to delete the VLAN group Add New VID Click to create a new VID group assigning ports from 01 to 28 as Untag Tag or Not Member A port can be Untagged in only one VID To save the VID group press Apply You may change the name accordingly to the desired groups such as the aforementioned R D Ma...

Page 46: ...4 42 2 Figure 29 Configuration 802 1Q VLAN Add VID Figure 30 Configuration 802 1Q VLAN Example VIDs Figure 31 Configuration 802 1Q VLAN VID Assignments ...

Page 47: ...ports Add a Trunking Name and select the ports to be trunked together and click Apply to activate the selected Trunking groups Figure 32 Configuration Trunking NOTE Each combined trunk port must be connected to devices within the same VLAN group Configuration IGMP Snooping With Internet Group Management Protocol IGMP snooping the Web Smart Switch can make intelligent multicast forwarding ...

Page 48: ...or route IP multicast packets To send IP multicast packets across subnetworks a multicast routing protocol will be necessary Figure 33 Configuration IGMP Snooping Configuration By default IGMP is Disabled If Enabled the IGMP Global Settings will need to be entered Query Interval 60 600 sec The Query Interval is the interval between General Queries sent By adjusting the Query Interval the number of...

Page 49: ...ent in response to Leave Group messages and is also the amount of time between Group Specific Query messages This value may be adjusted to modify the leave latency of the network A reduced value results in reduced time to detect the loss of the last member of a group Default is 1 second Host Timeout 130 1225 sec This is the interval after which a learnt host port entry will be purged For each host...

Page 50: ... timer is started with a time interval equal to IgsLeaveProcessInterval If a report message is received before above timer expires the Leave message is dropped Otherwise the Leave message is either forwarded to the port Default is 1 second To enable IGMP snooping for a given VLAN select Enable and click on the Apply button Then press the Edit button under Router Port Setting and select the ports t...

Page 51: ...2 1D Spanning Tree Protocol STP implementation is a backup link s between switches bridges or routers designed to prevent network loops that could cause a broadcast storm When physical links forming a loop provide redundancy only a single path will be forwarding frames If the link fails STP activates a redundant link automatically Figure 36 Configuration Spanning Tree ...

Page 52: ...redundant paths in the network preventing the effective propagation of the new information Set by the Root Bridge this value will aid in determining that the Switch has spanning tree configuration values consistent with other devices on the bridged LAN If the value ages out and a BPDU has still not been received from the Root Bridge the Switch will start sending its own BPDU to all other switches ...

Page 53: ...ets The default value is 19 Path Priority Select a value between 0 and 255 to specify the priority for a specified port for forwarding packets the lower the value the higher the priority The default is 128 Configuration Port Mirroring Port Mirroring is a method of monitoring network traffic that forwards a copy of each incoming and or outgoing packet from one port of the Switch to another port whe...

Page 54: ...ssigned Target Port None Turns off the mirroring of the port Configuration LLDP LLDP Link Layer Discovery Protocol provides a IEEE 802 1AB standards based method for switches to advertise themselves to neighbor devices and to learn about neighbor LLDP devices as well DES 1228P will keep those information in the Management Information Base MIB SNMP utilities can learn the network topology by get th...

Page 55: ... renew the information Figure 39 PoE PoE Port Setting PoE Enable Select to enable or disable the PoE function Power Limit This function allows you to manually set the port power current limitation to be given to the PD To protect the DES 1228P and the connected devices the power limit function will disable the PoE function of the port when the power is overloaded Select from Class 1 4W Class 2 7W ...

Page 56: ...rger than or smaller than the System Power Threshold Setting the Switch will send trap events to the Management Station Note When there is a system power shortage with the PD the Switch will enforce the PoE port priority management The lower port numbers will have priority over the higher port numbers For example Port 1 Port 2 Port 24 QoS 802 1p Default Priority This feature displays the status Qu...

Page 57: ...ine is a robust and innovative technology that automatically throttles the impact of packet flooding into the switch s CPU This function helps protect the Web Smart Switch from being interrupted by malicious viruses or worm attacks By default this is Enabled Figure 42 Security Safeguard Engine ...

Page 58: ...ossibly gain access to sensitive data IEEE 802 1X provides a security standard for network access control especially in Wi Fi wireless networks 802 1X holds a network port disconnected until authentication is completed The switch uses Extensible Authentication Protocol over LANs EAPOL to exchange authentication protocol client identity such as a user name with the client and forward it to another ...

Page 59: ...ty select Enabled and set the 802 1X Global Settings for the Radius Server and applicable authentication information Authentication Port sets primary port for security monitoring Default is 1812 Key Masked password matching the Radius Server Key Confirm Key Enter the Key a second time for confirmation TxPeriod Sets the number of seconds that the switch waits for a response to an EAP request identi...

Page 60: ... seconds MaxReq This parameter specifies the maximum number of times that the switch retransmits an EAP Request packet to the client before it times out the authentication session Default is 5 times ReAuthPeriod This command affects the behavior of the switch only if periodic re authentication is enabled Default is 3600 To establish 802 1X port specific assignments select the From and To Ports and...

Page 61: ...ddresses connected as well as the VID Press Delete to remove a device To add a new Mac address assignment press Add Mac then select the assigned Port number enter both the Mac Address and VID and press Apply Security Mac Address Table Dynamic Forwarding Table For each port this table displays the Mac address of each packet passing through the Switch To add a Mac address to the Static Mac Address L...

Page 62: ...5 58 8 Figure 46 Security Dynamic Forwarding Table Monitoring Statistics The Statistics screen displays the status of each port packet count Figure 47 Monitoring Statistics ...

Page 63: ...f packets transmitted successfully RxOK Number of packets received successfully TxError Number of transmitted packets resulting in error RxError Number of received packets resulting in error To view the statistics of individual ports click one of the linked Port numbers for details Figure 48 Monitoring Port Statistics ...

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Page 91: ...my D Link D Link poskytuje svým zákazníkům bezplatnou technickou podporu Zákazníci mohou kontaktovat oddělení technické podpory přes webové stránky mailem nebo telefonicky Web http www dlink cz suppport E mail support dlink cz Telefon 224 247 503 Telefonická podpora je v provozu PO PÁ od 09 00 do 17 00 ...

Page 92: ...t munkanapokon hétfőtől csütörtökig 9 00 16 00 óráig és pénteken 9 00 14 00 óráig kérhet a 1 461 3001 telefonszámon vagy a support dlink hu emailcímen Magyarországi technikai támogatás D Link Magyarország 1074 Budapest Alsóerdősor u 6 R70 Irodaház 1 em Tel 06 1 461 3001 Fax 06 1 461 3004 email support dlink hu URL http www dlink hu ...

Page 93: ...sider D Link tilbyr sine kunder gratis teknisk support under produktets garantitid Kunder kan kontakte D Links teknisk support via våre hjemmesider eller på tlf Teknisk Support D Link Teknisk telefon Support 800 10 610 Hverdager 08 00 20 00 D Link Teknisk Support over Internett http www dlink no ...

Page 94: ... support til kunder i Danmark i hele produktets garantiperiode Danske kunder kan kontakte D Link s tekniske support via vores hjemmeside eller telefonisk D Link teknisk support over telefonen D Link teknisk support over telefonen Tlf 7026 9040 Åbningstider kl 08 00 20 00 D Link teknisk support på Internettet http www dlink dk ...

Page 95: ...a teknistä tukea asiakkailleen Tuotteen takuun voimassaoloajan Tekninen tuki palvelee seuraavasti Arkisin klo 9 21 numerosta 0800 114 677 Internetin kautta Ajurit ja lisätietoja tuotteista http www dlink fi Sähköpostin kautta voit myös tehdä kyselyitä ...

Page 96: ... annan användarinformation D Link tillhandahåller teknisk support till kunder i Sverige under hela garantitiden för denna produkt Teknisk Support för kunder i Sverige D Link Teknisk Support via telefon 0770 33 00 35 Vardagar 08 00 20 00 D Link Teknisk Support via Internet http www dlink se ...

Page 97: ... site de D Link Portugal http www dlink pt A D Link fornece suporte técnico gratuito para clientes no Portugal durante o período de vigência de garantia deste produto Suporte Técnico para clientes no Portugal Assistência Técnica Email soporte dlink es http www dlink pt support ftp ftp dlink es ...

Page 98: ...δωρεάν υποστήριξη στον Ελλαδικό χώρο Μπορείτε να επικοινωνείτε με το τμήμα τεχνικής υποστήριξης μέσω της ιστοσελίδας ή μέσω τηλεφώνου Για πελάτες εντός του Ελλαδικού χώρου Τηλεφωνική υποστήριξη D Link Τηλ 210 86 11 114 Φαξ 210 86 53 172 Δευτέρα Παρασκευή 09 00 17 00 e mail support dlink gr Τεχνική υποστήριξη D Link μέσω Internet http www dlink gr ftp ftp dlink it ...

Page 99: ...国路71号惠通时代广场C1座 202室邮编 100025 技术支持中心电话 8008296688 028 66052968 技术支持中心传真 028 85176948 维修中心地址北京市朝阳区建国路71号惠通时代广场C1座 202室邮编 100025 维修中心电话 010 58635800 维修中心传真 010 58635799 网址 http www dlink com cn 办公时间周一到周五早09 00到晚18 00 ...

Page 100: ...6 URL www dlink pl Hungary R70 Irodahaz 1 emelet Rakoczi ut 70 72 Budapest H 1074 Magyarorszag TEL 36 0 1 461 30 00 FAX 36 0 1 461 30 09 URL www dlink hu Singapore 1 International Business Park 03 12 The Synergy Singapore 609917 TEL 65 6774 6233 FAX 65 6774 6322 URL www dlink intl com India D Link House Plot No 5 Kurla Bandra Complex Road Off CST Road Santacurz E Mumbai 400 098 India TEL 91 022 26...

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D-Link 48-Port 10/100Mbps Web-Smart Switch with 4-Port 10/100/1000Base-T and 2-Port Combo SFP..., User Manual

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Summary of Contents for 48-Port 10/100Mbps Web-Smart Switch with 4-Port 10/100/1000Base-T and 2-Port Combo SFP...

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Related manuals for 48-Port 10/100Mbps Web-Smart Switch with 4-Port 10/100/1000Base-T and 2-Port Combo SFP...

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