Cisco Catalyst WS-C4948 network switch Managed L2/L3 Gigabit Ethernet (10/100/1000) 1U Black

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Catalyst 4948 48x 10/100/1000 ports, 4x SFP
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 Cisco® Catalyst® 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.Warranty: Limited lifetime
Management features
ARP inspection Y
Web-based management Y
Quality of Service (QoS) support Y
Switch layer L2/L3
Switch type Managed
Ports & interfaces
Console port RJ-45
Installed SFP modules quantity 4
Basic switching RJ-45 Ethernet ports type Gigabit Ethernet (10/100/1000)
Basic switching RJ-45 Ethernet ports quantity 48
Network
Number of VLANs 4096
Virtual LAN features Private VLAN
VLAN support Y
Link aggregation Y
Broadcast storm control Y
Spanning tree protocol Y
Full duplex Y
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
Data transmission
Packet buffer memory 16 MB
Jumbo frames 9216
Jumbo frames support Y
Number of queues 4
Throughput 72 Mpps
Switching capacity 96 Gbit/s
MAC address table 32768 entries
Security
Security algorithms 802.1x RADIUS,SSH
SSH/SSL support Y
IGMP snooping Y
Access Control List (ACL) Y
DHCP features DHCP client
Multicast features
Multicast support Y
Protocols
Management protocols SNMPv1, v2, v3, EOT, SLA, LMS
Design
Electromagnetic compatibility FCC, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI, EN55024, ETS300 386, EN50082-1, EN61000-3-2, EN61000-3-3
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
LED indicators Y
Product colour Black
Form factor 1U
Rack mounting Y
General
Product family Catalyst
Performance
Flash memory 6 MB
Internal memory 256 MB
Processor frequency 266 MHz
Built-in processor Y
Power
Power supply included N
Power over Ethernet (PoE)
Power over Ethernet (PoE) N
Operational conditions
Operating altitude -60 - 2000 m
Operating relative humidity (H-H) 10 - 90%
Storage temperature (T-T) -40 - 75 °C
Operating temperature (T-T) 0 - 40 °C
Weight & dimensions
Weight 2 kg
Height 44.5 mm
Depth 401 mm
Width 439 mm

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