Cisco Catalyst WS-C4948. Switch type: Managed, Switch layer: L2/L3. Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000), Basic switching RJ-45 Ethernet ports quantity: 48, Installed SFP modules quantity: 4, Console port: RJ-45. Full duplex. MAC address table: 32768 entries, Switching capacity: 96 Gbit/s. Networking standards: IEEE 802.1D,IEEE 802.1Q,IEEE 802.1p,IEEE 802.1s,IEEE 802.1w,IEEE 802.1x,IEEE 802.3,IEEE.... Rack mounting, Form factor: 1UThe CiscoВ® CatalystВ® 4948 is a wire-speed, low-latency, Layer 2-4, 1-rack-unit (1 RU) fixed-configuration switch for rack-optimized server switching. Based on the proven Cisco Catalyst 4500 Series hardware and software architecture, the Cisco Catalyst 4948 Series offers exceptional performance and reliability for low density, multilayer aggregation of high performance servers and workstations. The Cisco Catalyst 4948 offers 48 ports of wire-speed 10/100/1000BASE-T with 4 alternative wired ports that can accommodate optional 1000BASE-X Small Form-Factor Pluggable (SFP) optics1. Exceptional reliability and serviceability are delivered with optional internal AC or DC 1 + 1 hot-swappable power supplies and a hot-swappable fan tray with redundant fans.

Характеристики

Rack mounting Yes Form factor 1U Colour of product Black LED indicators Yes Safety UL 60950-1, CAN/CSA-C22.2 No. 60950-1, EN 60950-1, IEC 60950-1 IEC 60950-1, AS/NZS 60950, IEC 60825-1, IEC 60825-2 Electromagnetic compatibility FCC, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI, EN55024, ETS300 386, EN50082-1, EN61000-3-2, EN61000-3-3 Switch type Managed Switch layer L2/L3 Quality of Service (QoS) support Yes Web-based management Yes ARP inspection Yes Basic switching RJ-45 Ethernet ports quantity 48 Basic switching RJ-45 Ethernet ports type Gigabit Ethernet (10/100/1000) Installed SFP modules quantity 4 Console port RJ-45 Networking standards IEEE 802.1D,IEEE 802.1Q,IEEE 802.1p,IEEE 802.1s,IEEE 802.1w,IEEE 802.1x,IEEE 802.3,IEEE 802.3ab,IEEE 802.3ad,IEEE 802.3u,IEEE 802.3z Full duplex Yes Spanning tree protocol Yes Broadcast storm control Yes Link aggregation Yes VLAN support Yes Virtual LAN features Private VLAN Number of VLANs 4096 MAC address table 32768 entries Switching capacity 96 Gbit/s Throughput 72 Mpps Number of queues 4 Jumbo frames support Yes Jumbo frames 9216 Packet buffer memory 16 MB DHCP features DHCP client Access Control List (ACL) Yes IGMP snooping Yes SSH/SSL support Yes Security algorithms 802.1x RADIUS,SSH Multicast support Yes Management protocols SNMPv1, v2, v3, EOT, SLA, LMS Built-in processor Yes Processor frequency 266 MHz Internal memory 256 MB Flash memory 6 MB Power supply included No Power over Ethernet (PoE) No Operating temperature (T-T) 0 - 40 В°C Storage temperature (T-T) -40 - 75 В°C Operating relative humidity (H-H) 10 - 90% Operating altitude -60 - 2000 m Width 439 mm Depth 401 mm Height 44.5 mm Weight 2 kg