Cisco WS-C4900M Modular Layer 3 Switch – 2 x PSU – 6 x CVR-X2-SFP – 4 x X2-10GB-SR – 1 x WS-X4920-GB-RJ45 – Refurb

The Cisco WS-C4900M is a refurbished modular Layer 3 switch for compatible enterprise aggregation and data centre networks. This package includes six CVR-X2-SFP converter modules, four X2-10GB-SR optics, and one WS-X4920-GB-RJ45 module with 20 Gigabit copper ports, offering a mix of optical and RJ45 connectivity.

Two listed 1000W AC power supplies and a modular rackmount chassis provide a practical platform for maintaining or expanding compatible network infrastructure. Confirm installed module placement, optical link requirements, and software capabilities before deployment; separate SFP/GBIC modules are not included according to the source listing.

• ✔ Modular Connectivity – Two listed half-card slots for compatible interface modules.
• ✔ Included Copper Module – One WS-X4920-GB-RJ45 with 20 × 10/100/1000 RJ45 ports.
• ✔ Included Converter Modules – Six CVR-X2-SFP modules for compatible 1Gb SFP use.
• ✔ Included 10Gb Optics – Four X2-10GB-SR modules for compatible multimode-fibre links.
• ✔ Dual Power Supplies – Two listed 1000W AC PSUs for a redundant-power configuration.
• ✔ Layer 3 Platform – Listed routing, VLAN, QoS, and ACL capabilities depend on installed software and configuration.
• ✔ Listed Switching Capacity – 320Gbps platform rating; actual throughput depends on traffic and configuration.

• ✔ Compatible Enterprise Network Aggregation
• ✔ Campus Gigabit and 10Gb Connectivity
• ✔ Data Centre Access and Aggregation
• ✔ Existing Cisco Modular-Switch Infrastructure
• ✔ IPv6 Routing Deployments – Subject to Installed Software and Configuration

• ✔ Condition: Refurbished device with minor scratches or scuffs. Device has been tested and is fully functional.
• ✔ Manufacturer: Cisco
• ✔ Model: Catalyst WS-C4900M
• ✔ Form Factor: 2RU Modular Layer 3 Switch (as listed)
• ✔ Half-Card Slots: 2 (as listed)
• ✔ Included Converter Modules: 6 × CVR-X2-SFP
• ✔ Included Optical Modules: 4 × X2-10GB-SR; X2 form factor, not SFP+
• ✔ Listed Optical Specification: 10GBASE-SR, 850nm, Multimode Fibre, up to 300m; reach depends on fibre grade and link conditions
• ✔ Included Copper Module: 1 × WS-X4920-GB-RJ45, 20 × 10/100/1000Base-T RJ45
• ✔ Port Capacity: Source lists up to 40 Gigabit or 24 10-Gigabit Fibre Ports depending on configuration; these are platform maxima, not confirmed usable totals for this package
• ✔ Module Placement: Additional Installed Half-Cards and Slot Allocation Unspecified; confirm how the listed converters and optics fit the supplied chassis
• ✔ Listed Switching Capacity: 320Gbps
• ✔ Listed Forwarding Rates: IPv4 250Mpps / IPv6 125Mpps; platform ratings, not verified unit performance
• ✔ Latency: Source describes low-latency design; measured value unspecified
• ✔ Listed CPU: 1.3GHz
• ✔ Listed DRAM: 512MB
• ✔ CompactFlash Support: Listed; installed card capacity unspecified
• ✔ USB Port and Reset Button: Listed
• ✔ Listed Active VLANs / SVIs: 4096 each; source limits require verification for installed software
• ✔ Listed Multicast Entries: 70,000 IPv4 / 35,000 IPv6
• ✔ Listed MAC Address Table: 55,000
• ✔ Listed QoS / ACL Security Entries: 128,000; resource allocation depends on configuration
• ✔ Listed Spanning Tree: PVST, 4094 Instances; supported scale requires verification
• ✔ Listed VLAN IDs: 4096; source counting terminology requires verification
• ✔ Jumbo Frame Support: Listed
• ✔ Power Supplies: 2 × 1000W AC Redundant (as listed); rating is not actual power consumption
• ✔ Cooling: Built-In Fan System with Listed Front-to-Back Airflow
• ✔ Listed Dimensions (H × W × D): 89 × 437 × 455mm
• ✔ Listed Device Weight: 13.4kg with Fan and One PSU; not the weight of this dual-PSU package or shipping weight
• ✔ Operating Temperature: 0–40°C (as listed)
• ✔ Storage Temperature: -40–70°C (as listed)
• ✔ Humidity: 10–90%, Non-Condensing (as listed)
• ✔ Listed MTBF: 850,000 Hours; statistical platform rating, not remaining life or warranty
• ✔ Source Certification Claims: CE, FCC, UL; unit markings and applicable certification scope require confirmation
• ✔ Software: Source lists Cisco IOS 12.2(46)SG or later; installed version unspecified
• ✔ Listed Layer 3 Features: Static Routing, VLAN Routing, QoS, ACLs, and IPv4/IPv6; availability depends on installed software
• ✔ MPLS and SSL Claims: Source applicability requires confirmation; not established as enabled capabilities
• ✔ Separate SFP / GBIC Modules: Not Included according to source; four listed X2-10GB-SR modules remain included
• ✔ Power Cables: Included; quantity and connectors unspecified
• ✔ Fibre Cables and Rack Hardware: Inclusion Unspecified

12 Month Warranty

• ✔ Cisco WS-C4900M Modular Switch
• ✔ 2 × Listed 1000W AC Power Supplies
• ✔ 6 × CVR-X2-SFP Converter Modules
• ✔ 4 × X2-10GB-SR Optical Modules
• ✔ 1 × WS-X4920-GB-RJ45 Copper Module
• ✔ Power Cables – Quantity and Connectors Unspecified