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Friday, December 23, 2011

D-Link DGS-2208 8-Port 10/100/1000 Desktop Switch

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Brand: D-Link Model: DGS-2208 Released on: 2010-10-13 Platform: Windows Format: CD Number of items: 1 Dimensions: 2.80" h x 8.30" w x 10.80" l, 1.19 pounds Add More Devices and Computers to the Network No Software or Configuration Required QoS Feature Helps Reduce Jitter and Lag Non-blocking architecture with 16 Gbps total switching capacity moves data at full wire-speed for maximum throughput Compact size makes it ideal for desktops with limited space

From the Manufacturer The first of the Green Ethernet products the DGS-2208 provides 3 key benefits to end users through its cutting edge innovative technology Reduces power consumption & creates less heat Extended product life Reduces Operating Costs Power Savings by Number of Connected Ports and Link Status Computers do not require Internet access all the time; neither do switches utilize all ports at all times. When a computer or network equipment is shutdown, switches often remain on and continue to consume considerable amount of power. With Green Ethernet technology, D-Link switches can automatically detect link status and reduce power usage of ports that are idle. Computers or any connecting parties set to standby mode (not power off), however, will not provide significant power savings. Power Savings by Cable Length The Green Ethernet switches have the ability to analyze the length of any Ethernet cable connected to them for adjustment of power usage accordingly. Shorter lengths require less power. Overall Power Savings Per Day For a traditional switch, power consumption remains constant even when the ports are not in use. In a standard workday scenario where PCs are used for 10 hours a day and powered off 14 hours a day, and connected to the switch using 20 meter cables, D-Link's Green Ethernet can save up to 40%* power used for each system. Note: Switch uses switching power adapter. The cable length which PCs are connected to switch is 20m cables. Get the blazing speed of Gigabit Ethernet with the D-Link DGS-2208, an 8-port 10/100/1000Mbps Gigabit Switch that delivers power, performance, and reliability in one cost-effective, space-saving design. Increase the speed of your network server and backbone connections, or make Gigabit to the desktop a reality. Power users in the home, office, workgroup, or creative production environment can now move large, bandwidth-intensive files faster. Transfer graphics, CGI, CAD, or multimedia files across the network instantly. Power-Packed The D-Link DGS-2208 10/100/1000 Mbps Gigabit Switch features a non-blocking switching architecture that filters and forwards packets at full wire-speed for maximum throughput. An 8,000 MAC address table provides scalability for even the largest networks. Address learning and aging, 802.3x Flow Control for full duplex mode, and back pressure flow control for half-duplex mode alleviates traffic congestion and ensures reliable data transmission. Designed using industry standards, it is compatible with virtually all 10, 100, and 1000Mbps Ethernet devices and other vendor equipment. The D-Link DGS-2208 10/100/1000 Mbps Gigabit Switch protects your existing network investments while providing you with a straightforward migration path to faster Gigabit speeds. Easy to use The auto features of this gigabit switch make installation plug and play and hassle-free. No configuring is required. Auto MDI/MDI-X crossover on all ports eliminate the need for crossover cables or uplink ports. Auto-negotiation on each port senses the link speed of a network device (either 10, 100, or 1000 Mbps) and intelligently adjusts for compatibility and optimal performance. It also features diagnostic LEDs which display status and activity, allowing you to quickly detect and correct problems on the network. * Power savings may vary depending on products used. Maximum power savings when compared to a D-Link conventional switch. Uses up to 80% less energy when connected devices are powered down and up to 40% less energy when connected devices are used 10 hours and powered down 14 hours over a 24-hour period, when connected via 20 meter Ethernet cables. Green Ethernet features available on hardware version C1 or later.

Most helpful customer reviews 204 of 211 people found the following review helpful. Great for its intended use By Tom Carpenter This is an unmanaged switch, which means that you can not configure Virtual Local Area Networks (VLANS) or Quality of Service (QoS) - though QoS is supported through the implementation of 802.1p, but all the attached devices must support 802.1p in order to use it. Since there is no configuration, all you have to do is plug it into power and plug your devices into it. It really is that simple for any unmanaged switch. It will automatically allow all your devices to talk to each other at the physical layer. Of course, your applications must be configured right to talk to each other, but these unmanaged devices make building the infrastructure a snap. In answer to a previously posted review, I tested this device in the following way: -Port 1 connected to my desktop computer with a Gigabit network interface card (NIC) -Port 2 connected to a 10/100 switch which was connected to a gigabit ethernet storage device -Port 3 connected to a second DGS-2208 switch which was connectedto the exact same model gigabit ethernet storage device -Port 4 connected to a laptop with a 10/100 NIC The point of this setup was to use the identical computer communicating with identical devices through a 10/100 connection and through a gigabit (1000) connection. I transferred a 10 GB file to the ethernet storage device through the gigabit connection first and then I transferred the exact same file through the 10/100 connection. The GB connection was about five times faster. Now, this proves that the switch does not automatically throttle back to the slowest "connected" device. However, it does not indicate whether the gigabit connections will slow to the speed of 10/100 connections if those slower connections are actually active. To test this, I transferred the same file from the laptop to the slower connected ethernet storage device while also transferring the file from the desktop to the faster connected ethernet stoarage device. The results? The gigabit connected devices still transferred the data at rates faster than possible on a 10/100 connection. This proves that the gigabit speeds are still achieved even when a 10/100 connection is active. In the end, due to memory and processor limitations, this device cannot even compare to enterprise-class gigabit switches from Cisco and other providers; however, it is the best performing gigabit switch I've ever seen for under $75. [...] ------------------------------------ 60 of 61 people found the following review helpful. Switch me like you mean it! By Sean P. Logue This is the best unmanaged switch I've been able to find. Unmanaged means that the unit does not have an ethernet interface that can be used to prioritize traffic flow. Unmanaged switches are by far the most common type, and for most residential applications will do the job for significantly less money. The switch operates at full speed, and I haven't had any signs of 100 Mbp/s devices causing it to slow down other devices. I checked this, and it operates each device plugged into it at full speed regardless of the speed of the other devices. Some people say it does slow down, so perhaps there are multiple revisions out there. The two that I have were purchased in August 2007 and do not have a problem with this. The ports are well spaced, and it is easy to plug in and remove cables, even ones with plastic overmolded snagless heads. I've had other switches in the past that had the ports so close together that I started leaving every other port open just to get some space. That is not the case with this one. I have two of them, with one up in my office and the other in the basement wall-mounted beside the wiring closet. The basement unit is the primary backbone for my home network, so it gets a heavy workout. The ability to wall mount them is a nice option. One thing about these switches is that the primary processor in

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