Cisco WS-C4948-RF Catalyst 48-Port RJ-45 4x SFP GbE Network Switch
Refurbished
![WS-C4948-RF]()
Photos are representative. Refurbished units may show light cosmetic wear; all ports and PSUs tested.
CiscoCisco Catalyst 4900 Switches
Cisco WS-C4948-RF Catalyst 48-Port RJ-45 4x SFP GbE Network Switch
- Part number
- WS-C4948-RF
Benefits
- 48 Gigabit Ethernet ports provide dense aggregation
- High-speed uplinks support server connectivity
- Layer 3 features enable routed aggregation
- Low-latency switching suits data center networks
- Advanced QoS supports converged applications
- Compact rack design supports enterprise deployments
CONDITION
Ideal for
Data Center Aggregation, Server Access, Enterprise Distribution, Campus Distribution, High-Density Gigabit Networks
Cisco WS-C4948-RF Catalyst 4948 48-Port 10/100/1000 Ethernet with 4 SFP Uplinks Rack-Mount Design Network Switch
Overview
Cisco Catalyst 4948 WS-C4948-RF Cisco Refresh fixed-configuration data center switch with 48 Gigabit Ethernet ports and four shared SFP interfaces. Designed for high-density server and enterprise aggregation switching.
Application & Use Cases
- Data center server access switching
- High-density Gigabit Ethernet aggregation
- Enterprise distribution deployments
- Low-latency Layer 2/Layer 3 switching
- Rack-optimized server connectivity
Features
- 48 × 10/100/1000BASE-T ports
- 4 shared SFP interfaces
- 96Gbps nonblocking switching fabric
- 72Mpps hardware forwarding
- Redundant hot-swappable power architecture
Benefits
- High-density Gigabit connectivity for servers
- Shared SFP ports support optical uplinks
- 96Gbps fabric supports wire-speed switching
- 72Mpps forwarding supports low latency
- Redundant PSUs improve service availability
- Hot-swappable fan tray simplifies maintenance
Key Specifications
- Product Family: Catalyst 4948
- Ethernet Ports: 48 × 10/100/1000BASE-T
- Shared Uplinks: 4 × SFP
- Switching Fabric: 96Gbps
- Forwarding Rate: 72Mpps
- MAC Addresses: Up to 32,000
- VLAN IDs: 4096
- SVIs: Up to 2000
- SDRAM: 256MB
- Form Factor: 1RU
- Power: Redundant hot-swappable AC/DC options
No compatible accessories listed for this product.
| Product Line | Catalyst |
| Product Series | 4900 |
| Model | C4948 |
| Product Type | Layer 3 Switch |
| POE/POE+ Supports | Non-PoE |
| USB Port | No |
| Console Management Port | Yes |
| Quantity of Fixed Ports/Expansion Slots | 52 |
| Quantity of Network Ports | 52 |
| Stacking Port | No |
| Quantity of Expansion Slots | 4 |
| Expansion Slots Details | SFP |
| Quantity of SFP Slots | 4 |
| Ethernet Standard | Gigabit Ethernet,10 Gigabit Ethernet |
| Media Standard | Twisted Pair,Optical Fiber |
| Technology Standard | 10/100/1000Base-T,10GBase-X |
| Supported Layer Standard | Layer 2/3 |
| Manageable | Yes |
| MAC Address Table Capacity | 32000 MAC Addresses |
| Jumbo Frames | 9216 Bytes |
| Form Factor | Rack-mountable |
| Supported Rack | 1U |
| Compliance Standards | FCC |
| Airflow Direction | Front-to-Back Airflow |
| Source of Power | Power Supply |