For Fast Ethernet networks, a switch is an effective way of eliminating the problem of chaining hubs beyond the “two-repeater limit.” A switch can be used to split parts of the network into different collision domains, making it possible to expand your Fast Ethernet network beyond the 205-meter network diameter limit for 100BASE-TX networks.
Cost Reduction: VLANs can be used to create multiple broadcast domains, thus eliminating the need of expensive routers. Port-based (or port-group) VLAN is the common method of implementing a VLAN, and is the one supplied in the Switch. Features and Benefits...
When the Power LED light is on, the Switch is receiving power. When the Power LED light is off, the power cord is improperly connected. CPU (Management Indicator) Blinking : When the CPU is working, the System LED is blinking.
10/100/1000BASE-T Twisted Pair Ports (Port 25~26) The DES-1226G is equipped with two Gigabit twisted pair ports that are auto negotiable 10/100/1000Mbps and also support auto MDI/MDIX crossover detection. These two ports can operate in half- and full- duplex modes.
Rack Mounting The DES-1226G can be mounted in an EIA standard-size, 19-inch rack, which can be placed in a wiring closet with other equipment. Attach the mounting brackets to both sides of the Switch (one at each side), and secure them with the provided screws.
The DES-1226G can be used with AC power supply 100~240V AC, 50~60 Hz. 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.
” represents the trap signal; this symbol will disappear after you review and click on the event record. Note: In order to receive Trap information, the Switch has to be configured with Trap IP and Trap Events in Web browser, available in the Trap Setting Menu (see Page 40 for details).
Device Setting You can set the device by using the function key in the Device Setting Dialog box. Configuration Setting: In Configuration Setting, you can set the IP Address, Subnet Mask, Gateway, Set Trap to (Trap IP Address), System name, and Location. Select the device in the Discovery list or Monitor List and click the “Configuration Setting”...
Configuring the Switch The DES-1226G has a Web GUI interface for smart switch configuration. The Switch can be configured through the Web browser. A network administrator can manage, control, and monitor the Switch from the local LAN. This section indicates how to configure the Switch to enable its smart...
Figure 15. Device Status Setup Menu When the main page appears, find the Setup menu in the left side of the screen (Figure 15). Click on the setup item that you want to configure. There are thirteen options: Port Settings, VLAN Settings, Trunk Setting, Mirror Setting, SNMP Setting, Static MAC, QoS Setting, Device Status, Statistic, System Settings, Trap Setting, Password Setting, Backup Setting, and Reset Setting as shown in the Main Menu screen.
Flow Control: This setting determines whether or not the Switch will be handling flow control. Set FlowCtrl to Enable to avoid data transfer overflow. It is set to Disable when there is either no flow control or other hardware/software management.
Figure 19. VID table setting Port VID Setting: When you select Port VLAN setting, fill in each port’s PVID value between 1 and 4094 Figure 20. Port VID setting Trunk Setting The Trunk function enables to cascade two or more devices with a larger bandwidths. There are three Trunk groups to be set;...
Mirror Setting Port Mirroring is a method of monitoring network traffic that forwards a copy of each incoming and/or outgoing packet from one port of a network switch to another port where the packet can be studied. It enables the manager to keep close track of switch performance and alter it if necessary.
Add Trap: To create a recipient of SNMP traps generated by the Switch’s SNMP agent, press “Add Trap” button, and the SNMP Trap Set window will pop out; you can fill in the community name and trap IP address of the remote management station that will serve as the SNMP host for the Switch and checked the events selection n to enabled selected event traps.
Static MAC The Static MAC function allows you to enable the Switch to forward the data packets to specific MAC address and specific port. Only Static MAC function enabled ports will follow the Static MAC rule from the Static MAC list.
Figure 31. Dynamic forwarding table Static MAC Address Setting: Select the “Static MAC Address Setting” at Operation Tab, add or delete the Static MAC rule the static table. Figure 32. Configure Static MAC Setting Add Static MAC rule: Press “Add Mac” button, and the Static MAC Setting window will pop out; fill in the specific MAC address, select the specific port and Vid.
Static MAC rule to forward the packets. Figure 35. Add/Delete Static MAC QoS Setting To set the Switch QoS base on IEEE 802.1p, Figure36. 802.1P-based QoS Setting Device Status Click on the “Status”...
Password is the invaluable tool used to secure Web Management Switch. Use this function to change the password. If you forget the password, press the “Reset” button in the rear panel of the Switch. The current settings, including VLAN, Port Setting… etc., will be lost and the Switch will restore to the default setting.
Backup Setting The backup tools help you to backup the current settings of the Switch. To backup your settings, press the “Backup” button. To restore a current settings file to the device, you must specify the backup file and click on the “Restore” button to process the setting of the recorded file.
5. Technical Specifications General Standards Protocol Data Transfer Rate Network Cables Number of Ports Physical and Environmental AC inputs Power Consumption Temperature Humidity Dimensions Emissions Safety Performance Transmits Method RAM Buffer Packet Filtering/ Forwarding Rate Learning IEEE 802.3 10BASE-T Ethernet IEEE 802.3u 100 BASE-TX Fast Ethernet IEEE 802.3ab 1000BASE-T Gigabit Ethernet IEEE 802.3z 1000BASE-SX/LX Gigabit Ethernet...
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