WS-C4948-S | Cisco Managed Rack-mountable Network Switch

Cisco · HMIs & Displays

Description  The Cisco WS-C4948-S is a high-performance, fully managed Layer 3 rack-mountable switch from the Catalyst 4900 Series, designed for top-of-rack server aggregation and low-latency data center deployments.     Technical Specifications  Condition New/Never Used Surplus Brand Cisco Category PLCs/Machine Control Part Number WS-C4948-S Subcatecory PLC Module/Rack Total Number of Network Ports 48 Port/Expansion Slot Details 48 x Gigabit Ethernet Network 4 x Fast Ethernet Expansion Slot Media Type Supported Twisted Pair Ethernet Technology Gigabit Ethernet Network Technology 10/100/1000Base-T Number of Total Expansion Slots 4 Expansion Slot Type SFP Shared SFP Slot Yes Number of SFP Slots 4 Layer Supported 4 Manageable Yes Redundant Power Supply Supported Yes Height 1.7" Width 17.3" Depth 16.1" Weight 23.8 lbs       Information About WS-C4948-S The Cisco WS-C4948-S is a high-performance, fixed-configuration Layer 2–4 switch designed for enterprise, data center, and metro Ethernet deployments. Engineered for low-latency and wire-speed forwarding, this 1RU switch offers robust performance with 48 Gigabit Ethernet ports and 4 10-Gigabit uplink ports, making it ideal for high-density aggregation and top-of-rack deployments. Key Features: Downlink Ports: 48 × 10/100/1000 Mbps RJ-45 Ethernet ports Uplink Ports: 4 × 1G/10G SFP/SFP+ uplink slots Performance: 136 Gbps switching capacity, 102 Mpps forwarding rate Latency: Sub-10 microseconds for Layer 2/3 forwarding Buffer Size: 16 MB shared packet buffer for efficient traffic handling Layer 2/3 Capabilities: Supports VLANs, STP, RSTP, MSTP, static and dynamic routing (OSPF, EIGRP, RIP, limited BGP) Quality of Service (QoS): Advanced QoS features for traffic shaping and prioritization Security Features: Includes Port Security, DHCP Snooping, DAI, IP Source Guard, CoPP, ACLs Redundancy and Power: Dual hot-swappable AC or DC power supply support, redundant fan tray Form Factor: 1RU fixed-form switch suitable for rack-mount deployment Management: Cisco IOS Software, CLI-based configuration, SNMP, SSH, and web-based tools Use Case: Ideal for enterprise aggregation, top-of-rack in data centers, or metro-E deployments requiring low latency and high throughput Operating Environment: Temperature range 0°C to 45°C; humidity 10% to 90% non-condensing This switch is ideal for environments demanding high reliability, low latency, and scalability, and supports seamless migration to 10G core or distribution layers. Though now end-of-life, the WS-C4948-S remains a robust solution in legacy networks requiring stable and efficient performance.

Brand: Cisco · Category: HMIs & Displays

Key features

• Downlink Ports: 48 × 10/100/1000 Mbps RJ-45 Ethernet ports
• Uplink Ports: 4 × 1G/10G SFP/SFP+ uplink slots
• Performance: 136 Gbps switching capacity, 102 Mpps forwarding rate
• Latency: Sub-10 microseconds for Layer 2/3 forwarding
• Buffer Size: 16 MB shared packet buffer for efficient traffic handling
• Layer 2/3 Capabilities: Supports VLANs, STP, RSTP, MSTP, static and dynamic routing (OSPF, EIGRP, RIP, limited BGP)
• Quality of Service (QoS): Advanced QoS features for traffic shaping and prioritization
• Security Features: Includes Port Security, DHCP Snooping, DAI, IP Source Guard, CoPP, ACLs
• Redundancy and Power: Dual hot-swappable AC or DC power supply support, redundant fan tray
• Form Factor: 1RU fixed-form switch suitable for rack-mount deployment
• Management: Cisco IOS Software, CLI-based configuration, SNMP, SSH, and web-based tools
• Use Case: Ideal for enterprise aggregation, top-of-rack in data centers, or metro-E deployments requiring low latency and high throughput
• Operating Environment: Temperature range 0°C to 45°C; humidity 10% to 90% non-condensing

Specifications

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