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Cisco Catalyst C4948, Refurbished Managed L2/L3 Gigabit Ethernet (10/100/1000) 1U Black

SKU
WS-C4948-RF
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Catalyst 4948 48x 10/100/1000 ports, 4x SFP, Refurbished
UNSPSC: 43222612
The 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.
More Information
SKU WS-C4948-RF
EAN 0882658095306
Specification
Management features
ARP inspectionYes
Switch typeManaged
Web-based managementYes
Quality of Service (QoS) supportYes
Multicast supportYes
MIB supportYes
Switch layerL2/L3
Ports & interfaces
SFP module slots quantity4
Basic switching RJ-45 Ethernet ports quantity48
Basic switching RJ-45 Ethernet ports typeGigabit Ethernet (10/100/1000)
Fiber optic connectorSFP
Console portRJ-45
Network
Networking standardsIEEE 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 duplexYes
VLAN supportYes
Spanning tree protocolYes
Number of VLANs4096
Link aggregationYes
Broadcast storm controlYes
IGMP snoopingYes
Data transmission
Jumbo frames9216
Throughput72 Mpps
Packet buffer memory16 MB
MAC address table32768 entries
Switching capacity96 Gbit/s
Jumbo frames supportYes
Number of VLANs4096
Security
SSH/SSL supportYes
Security algorithms802.1x RADIUS, SSH
IGMP snoopingYes
Access Control List (ACL)Yes
DHCP featuresDHCP client
Multicast features
Multicast supportYes
Protocols
Management protocolsSNMPv1, v2, v3, EOT, SLA, LMS
Design
SafetyUL 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
Form factor1U
Product colourBlack
LED indicatorsYes
Electromagnetic compatibilityFCC, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI, EN55024, ETS300 386, EN50082-1, EN61000-3-2, EN61000-3-3
Rack mountingYes
Performance
Processor frequency266 MHz
Internal memory256 MB
Flash memory6 MB
Built-in processorYes
Packet buffer memory16 MB
Power
Power supply includedNo
Power over Ethernet (PoE)
Power over Ethernet (PoE)No
Operational conditions
Storage temperature (T-T)-40 - 75 °C
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 90%
Operating altitude-2362.2 - 78740.2" (-60 - 2000 m)
Virtual LAN features
VLAN supportYes
Number of VLANs4096
Weight & dimensions
Width17.3" (439 mm)
Depth15.8" (401 mm)
Height1.75" (44.5 mm)
Weight4.41 lbs (2 kg)
Optical fiber
Fiber optic connectorSFP
Technical details
Form factor1U
Product colourBlack
Processor frequency266 MHz
Rack mountingYes
Built-in processorYes
Certificates
SafetyUL 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 compatibilityFCC, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI, EN55024, ETS300 386, EN50082-1, EN61000-3-2, EN61000-3-3
Memory
Packet buffer memory16 MB
Internal memory256 MB
Flash memory6 MB
Indication
LED indicatorsYes
Manufacturer Cisco
Availability Out of Stock
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