D-Link DGS-105/108 Gigabit Ethernet Switch
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Switching Technology
Another key development pushing the limits of Ethernet technology is in the field of switching technology. A switch
bridges Ethernet packets at the MAC address level of the Ethernet protocol transmitting among connected Ethernet or fast
Ethernet LAN segments.
Switching is a cost-effective way of increasing the total network capacity available to users on a local area network. A
switch increases capacity and decreases network loading by making it possible for a local area network to be divided into
different segments that do not compete with each other for network transmission capacity, decreasing the load on each
segment.
The switch acts as a high-speed selective bridge between the individual segments. Traffic that needs to go from one
segment to another (from one port to another) is automatically forwarded by the switch, without interfering with any other
segments (ports). This allows the total network capacity to be multiplied, while still maintaining the same network cabling
and adapter cards.
For Fast Ethernet or Gigabit Ethernet networks, a Switch is an effective way of eliminating problems of chaining hubs
beyond the “two-repeater limit.” A Switch can be used to split parts of the network into different collision domains, for
example, making it possible to expand your Fast Ethernet network beyond the 205-meter network diameter limit for
100BASE-TX networks. Switches supporting both traditional 10Mbps Ethernet and 100Mbps Fast Ethernet are also ideal
for bridging between existing 10Mbps networks and new 100Mbps networks.
Switching LAN technology is a marked improvement over the previous generation of network bridges, which were
characterized by higher latencies. Routers have also been used to segment local area networks, but the cost of a router and
the setup and maintenance required make routers relatively impractical. Today’s Switches are an ideal solution to most
kinds of local area network congestion problems.
Switch Description
The DGS-105/108 Switch is equipped with five ports providing dedicated 10, 100, or 1000 Mbps bandwidth. These ports
can be used for connecting PCs, printers, servers, routers, Switches, hubs, and other network devices. The five multi-speed
ports use standard twisted pair cabling and are ideal for segmenting networks into small, connected subnets. Each port can
support up to 2000 Mbps of throughput in full-duplex mode. This stand-alone Switch enables the network to use some of
the most demanding multimedia and imaging applications concurrently with other user applications without creating
bottlenecks.
Features
The DGS-105/108 5/8-Port 10/100/1000BASE-T Gigabit Ethernet Switch was designed for easy installation and high
performance in an environment where traffic on the network and the number of users increase continuously.
• 5/8 10/100/1000BASE-T Gigabit Ethernet ports
• D-Link’s Green Technology
· IEEE 802.3az Energy-Efficient Ethernet (EEE)
· Power Saving Technology:
· Power saving by link status.
· Power saving by cable length
• Supports Auto-Negotiation for 10/100/1000Mbps and duplex mode
• Supports Auto-MDI/MDIX for each port
• Supports Full/Half duplex transfer mode for 10 and 100Mbps
• Supports Full-duplex transfer mode for 1000Mbps
• Full wire speed reception and transmission
• Store-and-Forward switching method
• Supports 2K(DGS-105)/ 8K(DGS-108) absolute MAC addresses
• Supports 128KBytes RAM for data buffering
• IEEE 802.3x flow control for full duplex
• Back pressure flow control for half duplex
• Jumbo Frame Support at 1000Mbps ( 9216Bytes )
• IEEE 802.1p priority queues
• Cable Diagnostics function at Switch boot up
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General
Weight and Dimensions
