Cisco WS-C4948 Switch - Cisco 4948 FREE 5-Year Warranty Refurbished Cisco 48 Port Catalyst Switch (4000 / 4948 Series) - 48 x 10/100/1000 Ports - 4 x SFP Slots - No Power Supply General Information Manufacturer Part Number: WS-C4948 Device Type: Switch - 48 ports - managed Enclosure Type: Rack-mountable - 1U Ports: 48 x 10/100/1000 + 4 x shared SFP MAC Address Table Size: 32K entries Remote Management Protocol: SNMP 1, SNMP 2, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, HTTPS Authentication Method: Secure Shell (SSH), RADIUS, TACACS+, Secure Shell v.2 (SSH2) Features: Layer 2 switching, DHCP support, auto-negotiation, BOOTP support, ARP support, trunking, Cisco Fast EtherChannel, VLAN support, Cisco Gigabit EtherChannel , IGMP snooping, Syslog support, manageable, MAC address filtering, Trivial File Transfer Protocol (TFTP) support Compliant Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s Processor: 1 : 266 MHz RAM: 256 MB - SDRAM Flash Memory: 64 MB flash Status Indicators: Link activity, power, system, status Product Line: Cisco Catalyst Model: 4948 Compatibility: PC Manufacturer: Cisco Systems> Packaged Quantity: 1 Expansion / Connectivity Interfaces: 48 x 10Base-T/100Base-TX/1000Base-T - RJ-45 1 x 10Base-T/100Base-TX - RJ-45 - management 1 x console - RJ-45 - management 4 x SFP (mini-GBIC) Physical Characteristics Width: 17.3 inch Depth: 16.1 inch Height: 1.7 inch Weight: 16.5 lbs Power Power Device: Power supply - integrated Installed Qty: 0 (installed) / 2 (max) Miscellaneous Compliant Standards: NEBS level 3, ETSI, CISPR 22 Class A, EN 60950, EN 61000-3-2, IEC 825-1/EN 60825-1 class 1, VCCI Class A ITE, IEC 60950, EN 61000-3-3, EN55024, EN55022 Class A, UL 60950, EN50082-1, CSA 22.2 No. 60950, AS/NZS 60950-1, FCC Part 15, ICES-003 Class A, AS/NZS 3548 Subcategory: Network hubs and switches Subtype: Gigabit Ethernet