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Product Code: WS-C4948-E

  • Product Description
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.
  • Condition

  • Refurbished
    ex vat
    inc vat
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Technical Specifications

Safety UL 60950-1, CAN/CSA-C22.2 No. 60950-1, EN 60950-1, IEC 60950-1, AS/NZS 60950, IEC 60825-1, IEC 60825-2, EN 60825-1, EN 60825-2, 21 CFR 1040
Basic switching RJ-45 Ethernet ports quantity 52
I/O ports 48x 10/100/1000 Ports 4x SFP Gigabit Ethernet ports Power Adapter port
Data transmission
Switching capacity (Gbit/s) 96
Full duplex Y
Packet transfer speed 72 Mpps
Latency 6 microseconds for 64-byte packets
Maximum data transfer rate (Gbit/s) 1
Energy management
Power consumption (typical) (W) 300
Environmental conditions
Operating temperature range (T-T) (°C) 0 - 40
Operating relative humidity range (%) 10 - 90
Storage temperature range (T-T) (°C) -40 - 75
MAC address table (entries) 32768
Networking standards IEEE 802.1D, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ad, IEEE 802.3u, IEEE 802.3z
Other features
Bundled software Enhanced multilayer image Software (EMI)includes: OSPF, IS-IS, EIGRP, BGP
Management platform Cisco CLI, Cisco Works LMS
Memory and processor Flash Memory 16 MB
Dimensions (WxDxH) (mm) 439 x 401 x 44.5
Built-in processor CPU 266 MHz
Switching protocols EIGRP, OSPF, RIP, RIP2, MBGP, HSRP, IGMPv1-3, DVMRP
Data link protocols Ethernet, Fast Ethernet, Gigabit Ethernet
Management protocols GMP, ICMP, SNMP, Telnet, TFTP, RMON
System requirements
Minimum RAM (MB) 256
Weight & dimensions
Weight (g) 2000