سوئیچ شبکه cisco مدل SD2008

Cisco SD2008 8-Port 10/100/1000 Gigabit Switch Cisco Small Business Unmanaged Switches Wire-Speed Switching and Cisco Reliability in an 8-Port Gigabit Switch Highlights ● Connect up to eight network devices - PCs, printers, and servers - to share and transfer files and videos across your network ● High-speed conectivity to support bandwidth-intensive applications ● Works right out of the box with no software to configure ● Compact size provides multiple placement option for areas with limited space Product Overview The Cisco(r) SD2008 8-Port 10/100/1000 Gigabit Switch (Figure 1) provides nonblocking, wirespeed switching for your 10-, 100-, and 1000 megabit (Mb) network clients. Use this switch to replace your current workgroup hub or switch, and you can upgrade your high-requirement workstations to full Gigabit speeds as necessary, while continuing to service other clients at their current speeds. Or build your network from the ground up, with appropriate link speeds for each users requirements. Either way, its perfect for graphics, multimedia, and other applications that have to move large files across the network quickly. With the Cisco SD2008, you can connect your existing 10/100 Ethernet network to a Gigabit server backbone without any additional equipment. All ports have automatic medium dependent interface (MDI) and MDI crossover (MDI-X) cable detection, so you dont have to worry about the cable type. Each port independently and automatically negotiates for best speed and determines whether to run in half- or full-duplex mode. Address Learning and Aging are supported, as well as 802.3x flow control with head-of-line blocking prevention to keep your high-speed clients from bogging down in lower-speed traffic. Fast store-and-forward switching prevents damaged packets from being passed on to the network. World-famous Cisco reliability gives you peace of mind, and the ultracompact case design is sure to fit into your workgroup environment. Let the Cisco SD2008 8-Port 10/100/1000 Gigabit Switch kick your network into high gear. Features ● Eight RJ-45 10/100/1000-Mbps auto-sensing half- or full-duplex switched ports ● Auto MDI/MDI-X cable detection on all ports ● Fully compliant with IEEE 802.3, 802.3u, 802.3x, and 802.3ab ● Non-head-of-line blocking architecture ● Full-duplex IEEE 802.3x flow control and half-duplex back pressure with intelligent port-based congestion detection and broadcast rate control Specifications Table 1 gives the specifications and package contents for the Cisco SD2008 8-Port 10/100/1000 Gigabit Switch. Table 1. Specifications for the Cisco SD2008 8-Port 10/100/1000 Gigabit Switch Specifications Standards IEEE 802.3, 802.3u, 802.3x, 802.3ab Ports 8 RJ-45 10/100/1000-Mbps ports Cabling type Category 5 Ethernet LEDs System, 1 through 8 Security feature Security slot Environmental Dimensions W x H x D 5.12 x 1.18 x 5.00 in. (130 x 30 x 127 mm) Unit weight 0.94 lb (0.425 kg) Power DC12V/1A Certification FCC Class B, CE Operating temperature 32 to 104F (0 to 40C) Storage temperature -40 to 158F (-40 to 70C) Operating humidity 20% to 95%, noncondensing Storage humidity 5% to 90%, noncondensing Package Contents ● Cisco SD2008 8-Port 10/100/1000 Gigabit Switch ● AC power adapter ● User guide