FEATURES- Cisco Catalyst Express 500-24LC Switch
       Twenty 10/100 ports for desktop connectivity and four 10/100 Power 
        over Ethernet ports to connect and power wireless access points, IP 
        telephony, or closed-circuit TV cameras. Includes two 
        10/100/1000BASE-T or Small Form-Factor Pluggable (SFP) ports for 
        uplink or server connectivity.
       Cisco Catalyst Express 500 Series switches deliver Cisco class 
        networking tailored for businesses with up to 250 employees. 
        Powered by Cisco Systems technology, this family of Layer 2-managed 
        Fast Ethernet and Gigabit Ethernet switches offers nonblocking, 
        wire-speed performance that provides a secure network foundation 
        optimized for data, wireless, and voice. Built-in advanced security 
        features help ensure that your devices and network are protected.
       The intuitive GUI simplifies setting up, running, and 
        troubleshooting a network. Embedded Cisco Smartports with preset 
        Cisco recommended network configurations, quality of service (QoS), 
        security, and multicast settings allow for transparent integration 
        of data, video, IP Communications, and wireless LAN applications. 
        With Cisco Smartports technology, mission-critical traffic is 
        prioritized; voice conversations are clear; bandwidth-intensive 
        video traffic does not impact other applications on the network-and 
        your wireless network is secure. Integrated intelligence within the 
        switch helps you detect device and network problems before they 
        impact your business.
       You can manage each switch with the embedded GUI device manager, or 
        manage your network with Cisco Network Assistant, an advanced PC-
        based network management application. Cisco Network Assistant 
        offers centralized management and configuration of Cisco switches 
        and other Cisco devices such as routers and wireless access points. 
        With Cisco Network Assistant, in addition to configuring multiple 
        switches at a time, you can configure Cisco wireless access points, 
        and invoke the device manager on Cisco routers and access points. 
        Software upgrades on Cisco switches, routers, and wireless access 
        points are as easy as a drag-and-drop process. You can download 
        Cisco Network Assistant (available at no cost) from the Cisco 
        website http://www.cisco.com/go/cna.
       The Cisco Catalyst Express 500 Series switches also offer Power over 
        Ethernet (PoE), reducing the cost and complexity of IP 
        Communications and wireless LAN deployments. PoE is an advanced 
        technology that allows a switch to supply power and provide 
        Ethernet connectivity at the same time over Category 5 cable to 
        inline power devices, such as wireless access points, closed-
        circuit TV cameras, and IP phones. The PoE ports eliminate the cost 
        and complexity of running additional power outlets or cables to 
        inline power devices.
* PERFORMANCE
   With nonblocking, wire-speed switching on all ports, the Cisco Catalyst 
   Express 500 Series offers 10-/100-Mbps ports for desktop, wireless 
   access point, printer, and IP phone connectivity, and 10/100/1000BASE-T 
   or SFP ports for server or backbone connectivity. With head-of-line 
   blocking prevention, a heavily congested port will not affect 
   performance on other ports on the switch.
* EASY TO USE
   The Cisco Catalyst Express 500 Series switches are designed for ease of 
   use. The switch is initialized through the GUI device manager-no console 
   cable or terminal emulation application is needed. Integrated 
   intelligence optimizes the switch at the system level. Optimal 
   configuration for each port can be applied by choosing from 10 preset 
   Cisco Smartports roles. And, all PoE ports can supply up to the IEEE 
   standard maximum of 15.4W simultaneously. There is no need to do 
   creative power budgeting or worry about exceeding the power limit or 
   adding an external power shelf. And all ports support autonegotiation of 
   port speed and duplex. With automatic medium-dependent interface 
   crossover (Auto-MDIX) detection support, you do not have to worry about 
   incorrect cable types.
* SMART 
   Deploying and running an end-to-end Cisco network for up to 250 
   employees has never been easier. With Cisco Smartports Advisor, the 
   Cisco Catalyst Express 500 Series switches automatically discover 
   connected Cisco devices and suggest appropriate Smartport roles. With 
   the Smartports phone and desktop role, voice quality is guaranteed. 
   Telephone conversations are not affected by employees sending or 
   downloading large files. The switches also can autodetect 
   misconfigurations and suggest corrections.
* SECURE
   The Cisco Catalyst Express 500 Series switches offer you layers of 
   security to protect your business. To secure the device, management 
   traffic to and from the GUI device manager can be encrypted with Secure 
   Sockets Layer (SSL) and Simple Network Management Protocol Version 3 
   (SNMPv3). For network security, you can choose from three business-
   optimized security levels. Tight integration with Cisco Aironet wireless 
   access points allows you to quickly and easily deploy a secure wireless 
   LAN network. With the Cisco Self-Defending Network and Cisco Clean 
   Access solutions, the Cisco Catalyst Express 500 Series helps protect 
   your network against worms and viruses, and raises the overall security 
   protection of your network to the next level.
* EASY MONITORING AND TROUBLESHOOTING
   Troubleshooting is easy with the Cisco Troubleshooting Advisor, which 
   identifies cabling problems such as wiring opens and shorts, common 
   configuration errors, and other potential problems in your network, and 
   recommends corrective action. Graphical trend charts and an Alert LED 
   help you identify problems before they cause network outages.
     
  -- SPECIFICATIONS ---------------------------------
PERFORMANCE  - Switching Capacity: 8.8 Gbps
               Forwarding Rate   : 6.6-Mpps wire-speed performance 
LAYER 2 SWITCHING-
               MAC Addresses     : 8000 MAC addresses
               Number of VLANs   : 32 VLANs (1000 range)
               Number/Type Queues: 4 queues per port
                                   Shaped Round Robin (SRR) queuing 
SMARTPORTS   - Desktop           : The port is configured for optimal 
                                     desktop performance.
               Phone and Desktop : Voice traffic is prioritized to ensure 
                                     clear voice conversation.
               Router            : The port is configured for optimal 
                                     connection to a router or firewall for 
                                     WAN connectivity.
               Switch            : The port is configured as an uplink port 
                                     to a backbone switch for fast 
                                     convergence.
               Access Point      : The port is configured for optimal 
                                     connection to a wireless access point.
               Server            : Servers can be prioritized as trusted, 
                                     critical, business, or standard.
               Printer           : The port is optimized so that printer 
                                     traffic does not affect mission-
                                     critical and voice traffic.
               Guest             : Guests are allowed access to the 
                                     Internet, but not to the company 
                                     network.
               Diagnostic        : Customers can connect diagnostics 
                                     devices to monitor traffic on other 
                                     switches (configurable via Cisco 
                                     Network Assistant only).
               Other             : Customers can configure the VLAN.
SECURITY     - Levels            : Low, medium, and high (configurable via 
                                     Cisco Network Assistant only).
                                   Low-For business environments where 
                                     there is limited guest access; limited 
                                     number of devices are allowed per 
                                     port.
                                   Medium-For business environments where 
                                     security is important; only authorized 
                                     devices (by MAC address) are allowed 
                                     on the company network.
                                   High-For business environments where 
                                     security is critical; only authorized 
                                     devices and authenticated users (via 
                                     IEEE 802.1x) are allowed on the 
                                     company network.
               Multicast         : High-bandwidth video traffic is 
                                     optimized so that it does not impact 
                                     other applications on the network.
               Inline Power (PoE): All 4 PoE ports on Cisco Catalyst 
                                     Express 500-24LC switches can supply 
                                     up to 15.4W of power over Category 5 
                                     cable, for a total of 62W of inline 
                                     power.
                                   Both the IEEE 802.3af PoE standard and 
                                     Cisco Prestandard Inline Power are 
                                     supported.
STANDARDS    - IEEE 802.1d Spanning Tree Protocol
               IEEE 802.1p Class of service (CoS) classification
               IEEE 802.1q VLAN
               IEEE 802.1w Rapid Convergence Spanning Tree Protocol
               IEEE 802.1x Port Access Authentication
               IEEE 802.3ad Link Aggregation Control Protocol (LACP)
               IEEE 802.3af Power over Ethernet
               IEEE 802.3x full duplex on 10BASE-T, 100BASE-TX, and 
                 1000BASE-T ports.
               IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-T/TX
               IEEE 802.3ab 1000BASE-T, IEEE 802.3z 1000BASE-X
               IGMP (v1, v2, and v3) snooping
               Secure Sockets Layer (SSL), SNMPv3 (read-only)
MANAGEMENT   - (for Monitoring Only) 
               BRIDGE-MIB, ENTITY-MIB, ETHERNET-MIB, IF-MIB
               RFC1213-MIB (MIB II)
               RMON-MIB (statistics, history, alarms, and events groups 
                 only).
               CISCO-PRODUCTS-MIB, CISCO-SYSLOG-MIB, CISCO-ENVMON-MIB 
CONNECTORS   - (20) 10/100 ports for desktop connectivity
               ( 4) 10/100 PoE ports for desktop, wireless access point, IP 
                    telephony, or closed-circuit TV camera connectivity.
               ( 2) 10/100/1000BASE-T or Small Form-Factor Pluggable (SFP) 
                    ports for uplink or server connectivity.
APPROVALS    - UL to UL 60950-1; CUL to CAN/CSA C22.2 No. 60950-1
               TUV/GS to EN 60950-1
               CB to IEC 60950-1 with all country deviations
               NOM to NOM-019-SCFI; CE Marking
               FCC Part 15 Class A; EN 55022 Class A (CISPR22)
               EN 55024 (CISPR24); VCCI Class A; AS/NZS CISPR22 Class A
               MIC; China EMC requirements; GOST
NOISE- 40 dBa 
MTBF - 282,705 hours or 32 years
POWER- Power Consumption (maximum): 110W or 375 BTUs per hour
       Power Dissipation          : 45W
       AC input voltage/frequency : 100-240Vac, 1.3-0.8A, 50-60Hz
SIZE - 17.5"w x 1.73"h x 9.9"d          WT.- 8.0 lbs.

Cisco Catalyst Express 500-24LC, 20-Port 10/100Mbps + 4-Port 10/100Mbps PoE + 2-Port 10/100/1000Mbps or SFP Uplinks and GUI-based Management.