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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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In stock
Catalyst 4948 48x 10/100/1000 ports, 4x SFP, Refurbished
UNSPSC: 43222612
| SKU | WS-C4948-RF |
|---|---|
| EAN | 0882658095306 |
| Manufacturer | Cisco |
| Availability | Out of Stock |
| Product Family | Catalyst |
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.
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.
| Management features | |
|---|---|
| ARP inspection | Yes |
| Switch type | Managed |
| Web-based management | Yes |
| Quality of Service (QoS) support | Yes |
| Multicast support | Yes |
| MIB support | Yes |
| Switch layer | L2/L3 |
| Ports & interfaces | |
| SFP module slots quantity | 4 |
| Basic switching RJ-45 Ethernet ports quantity | 48 |
| Basic switching RJ-45 Ethernet ports type | Gigabit Ethernet (10/100/1000) |
| Fiber optic connector | SFP |
| Console port | RJ-45 |
| Network | |
| 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 |
| VLAN support | Yes |
| Spanning tree protocol | Yes |
| Number of VLANs | 4096 |
| Link aggregation | Yes |
| Broadcast storm control | Yes |
| IGMP snooping | Yes |
| Data transmission | |
| Jumbo frames | 9216 |
| Throughput | 72 Mpps |
| Packet buffer memory | 16 MB |
| MAC address table | 32768 entries |
| Switching capacity | 96 Gbit/s |
| Jumbo frames support | Yes |
| Number of VLANs | 4096 |
| Security | |
| SSH/SSL support | Yes |
| Security algorithms | 802.1x RADIUS, SSH |
| IGMP snooping | Yes |
| Access Control List (ACL) | Yes |
| DHCP features | DHCP client |
| Multicast features | |
| Multicast support | Yes |
| Protocols | |
| Management protocols | SNMPv1, v2, v3, EOT, SLA, LMS |
| Design | |
| 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 |
| Form factor | 1U |
| Product colour | Black |
| LED indicators | Yes |
| Electromagnetic compatibility | FCC, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI, EN55024, ETS300 386, EN50082-1, EN61000-3-2, EN61000-3-3 |
| Rack mounting | Yes |
| Performance | |
| Processor frequency | 266 MHz |
| Internal memory | 256 MB |
| Flash memory | 6 MB |
| Built-in processor | Yes |
| Packet buffer memory | 16 MB |
| Power | |
|---|---|
| Power supply included | No |
| 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 support | Yes |
| Number of VLANs | 4096 |
| Weight & dimensions | |
| Width | 17.3" (439 mm) |
| Depth | 15.8" (401 mm) |
| Height | 1.75" (44.5 mm) |
| Weight | 4.41 lbs (2 kg) |
| Optical fiber | |
| Fiber optic connector | SFP |
| Technical details | |
| Form factor | 1U |
| Product colour | Black |
| Processor frequency | 266 MHz |
| Rack mounting | Yes |
| Built-in processor | Yes |
| Certificates | |
| 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 |
| Memory | |
| Packet buffer memory | 16 MB |
| Internal memory | 256 MB |
| Flash memory | 6 MB |
| Indication | |
| LED indicators | Yes |