The Cisco Catalyst 3750 Series of products offers stackable, fixed-configuration switches with Fast Ethernet, Gigabit Ethernet and 10 Gigabit Ethernet connectivity, as well as integrated wireless LAN controller supporting up to 200 access points. They support up to 48 10/100/1000 ports per stackable switch, and offer AC power supply failure protection with external redundant power supply. This series of switches is ideal for organizations with more than 250 employees who want to quickly deploy and easily manage their networks. It should also be considered for organizations who are planning to deploy IP telephony, wireless or gigabit-to-the-desktop. General Device Type: Switch - stackable Enclosure Type: Rack-mountable - 1.5U Width: 17.5 in Depth: 11.6 in Height: 2.6 in Weight: 12.6 lbs Memory RAM: 128 MB Flash Memory: 16 MB flash Networking Ports Qty: 24 x Ethernet 10Base-T, Ethernet 100Base-TX, Ethernet 1000Base-T Data Transfer Rate: 1 Gbps Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet Routing Protocol: RIP-1, RIP-2, HSRP, static IP routing Remote Management Protocol: SNMP 1, SNMP 2, RMON 2, SNMP, RMON, Telnet, SNMP 3 Connectivity Technology: Wired Communication Mode: Half-duplex, full-duplex MAC Address Table Size: 12K entries Status Indicators:Port status, link activity, port transmission speed, port duplex mode,power Features: Flow control, full duplex capability, routing, auto-sensing per device, DHCP support, auto-negotiation, ARP support, trunking, load balancing, VLAN support, IGMP snooping, manageable, stackable Compliant Standards:Expansion / Connectivity Expansion Slots Total (Free):4 ( 4 ) x SFP (mini-GBIC) Interfaces: 24 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ 1 x management - console - RJ-45 ¦ 2 x network stack device Power Power Device: Power supply - internal Voltage Required: AC 120/230 V ( 50/60 Hz ) Power Consumption Operational: 165 Watt Software / System Requirements Software Included: Standard Multilayer Software Image (SMI)