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Name:
WS-F4531
- Description:
- Catalyst 4500 PoE 802.3af 10/ 100/1000 24-ports (RJ45) Linecard
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- Brand:
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- 746320659176
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3 Year Extended Warranty
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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WS-F4531 Overview
WS-F4531 is an Ethernet module engineered for high-speed connectivity, supporting data rates of up to 10Gbps via an SFP+ connector. Designed with compatibility for routers, switches, and servers, it delivers robust performance and reliable network integration for enterprise environments.
WS-F4531 supports critical protocols including TCP/IP, iSCSI, and Fibre Channel, ensuring seamless communication for data-intensive applications. Its PCIe form factor and modular installation make it ideal for expanding data center capacity and upgrading server network interfaces in high-speed network infrastructures.
What is the price of WS-F4531?
Pricing for WS-F4531 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for WS-F4531.
Explore more options from Network Modules And Cards or explore other Cisco products.
WS-F4531 Specifications
| Product Type | Network Module |
| Module Type | Ethernet |
| Data Rate | 10G |
| Connector Type | SFP+ |
| Supported Protocols | TCP/IP, iSCSI, Fibre Channel |
| Form Factor | PCIe |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Routers, Switches, Servers |
| Max Speed | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 5W |
| Interface Ports | Ethernet |
| Expansion Slots | N/A |
| Product Name | WS-F4531 High-Speed Ethernet Module |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
WS-F4531 Use Case
Enterprise Campus PoE Wireless & Voice Expansion
Scenario: A large corporate campus deploys Cisco Catalyst 4500 with the WS-F4531-Catalyst 4500 PoE 802.3af 10/100/1000 24-ports (RJ45) Linecard to power 200+ access points and IP phones over a single chassis. Benefit: Centralized PoE delivery and 1 Gbps uplinks simplify cabling, accelerate rollouts, and ensure high availability with redundant power and hot-swappable modules.
Retail Branch IP Surveillance & Unified Communications
Scenario: A nationwide retail chain equips each store’s wiring closet with a Catalyst 4500 chassis populated by the WS-F4531-Catalyst 4500 PoE 802.3af 10/100/1000 24-ports (RJ45) Linecard to feed VoIP handsets and HD security cameras. Benefit: Consolidated 24-port PoE feeds reduce rack space and power costs, enable remote monitoring, and streamline maintenance with Cisco IOS management and PoE power budgeting.
Industrial IoT & Environmental Sensor Network
Scenario: An automated manufacturing facility implements real-time monitoring using environmental sensors, RFID readers and access controllers powered via the WS-F4531-Catalyst 4500 PoE 802.3af 10/100/1000 24-ports (RJ45) Linecard in a resilient Catalyst 4500 chassis. Benefit: High-density Gigabit PoE simplifies infrastructure, supports remote diagnostics, and delivers consistent power to edge devices for maximum uptime in harsh industrial environments.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco Catalyst 4500 Series | Cisco | Cisco | Cisco | Routers, Switches, Servers |
| Connector Type | N/A | SFP | RJ-45 | RJ-45 | SFP+ |
| Data Rate | 10Gbps | 1Gbps | 1Gbps | 1Gbps | 10G |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | Modular | Modular | Modular | Modular | PCIe |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | N/A | N/A | N/A | 3.3V | 3.3V |
| Interface Ports | N/A | SFP | Ethernet | Ethernet | Ethernet |
| Max Speed | 10Gbps | 1Gbps | 1Gbps | 1Gbps | 10Gbps |
| Module Type | N/A | SFP Ethernet Module | Ethernet | Ethernet Module | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 50°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | N/A | N/A | N/A | 5W |
| Product Name | WS-X4606-X2-E Enhanced Supervisor Engine | WS-X4612-SFP-E | WS-X4748-RJ45-E | WS-X4424-GB-RJ45 | WS-F4531 High-Speed Ethernet Module |
| Product Type | Supervisor Engine | Network Module | Network Module | Network Module / Network Card | Network Module |
| Storage Temperature | -40 to 85°C | -40 to 70°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Routing, Switching, QoS, High Availability | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP | TCP/IP, Ethernet | TCP/IP, iSCSI, Fibre Channel |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
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Questions & Answers
Q
What is the Cisco WS-F4531 Catalyst 4500 PoE 802.3af 10/100/1000 24-port line card?
A
The WS-F4531 is a 24-port 1 Gbps line card for Cisco Catalyst 4500 series with integrated IEEE 802.3af PoE support, delivering up to 15.4 W per port at wire-speed switching.
Q
Which Catalyst 4500 chassis models are compatible with the WS-F4531?
A
The WS-F4531 is compatible with Cisco Catalyst 4503, 4506, 4507R+E and 4510R+E chassis when used with an appropriate Supervisor Engine (E or XE) module.
Q
How many PoE ports does the WS-F4531 support and what power standard does it use?
A
The WS-F4531 provides 24 RJ45 ports, each supporting IEEE 802.3af PoE at up to 15.4 W per port for IP phones, wireless access points and other powered devices.
Q
What is the switching capacity and forwarding throughput of the WS-F4531?
A
The WS-F4531 delivers up to 32 Gbps of non-blocking switching capacity and can forward up to 26 million packets per second at line rate across all 24 ports.
Q
Which Cisco IOS platforms does the WS-F4531 require?
A
The WS-F4531 operates under Cisco IOS Software on Catalyst 4500-series Supervisor Engines; it does not support IOS XE directly on the line card.
Q
How do I install the WS-F4531 in a Catalyst 4500 chassis?
A
Power down the chassis, slide the WS-F4531 into an available line-card slot until the ejector handles engage, reconnect power and boot the Supervisor to detect the new module.
Q
What is the maximum total PoE power budget for the WS-F4531?
A
The WS-F4531 supplies a total PoE budget of up to 370 W, dynamically allocating up to 15.4 W to each of the 24 ports per IEEE 802.3af.
Q
Can the WS-F4531 deliver PoE+ (802.3at) power?
A
No. The WS-F4531 supports only IEEE 802.3af PoE at 15.4 W per port and does not provide IEEE 802.3at or Cisco UPOE power levels.
Q
What is the MTBF (Mean Time Between Failures) of the WS-F4531?
A
The WS-F4531 has an MTBF of approximately 300,000 hours under standard operating conditions, ensuring high availability in enterprise deployments.
Q
Is a separate software license required to enable PoE and advanced features on the WS-F4531?
A
No separate license is needed for basic IEEE 802.3af PoE. Advanced features such as QoS, ACLs and multicast require the feature license on the Supervisor Engine.
Q
Does the WS-F4531 support advanced QoS and ACL functionality?
A
Yes. When paired with a feature-licensed Supervisor, the WS-F4531 supports granular QoS, rate limiting, class-based ACLs and multicast optimization.
Q
Can I stack or virtualize multiple WS-F4531 modules?
A
The WS-F4531 does not support physical stacking; however, it benefits from Virtual Switching System (VSS) when used with VSS-capable Supervisor Engines.
Q
What are the environmental operating conditions for the WS-F4531?
A
The WS-F4531 operates at 32°F to 104°F (0°C to 40°C), 10–90% non-condensing relative humidity and a maximum altitude of 5,000 ft (1,524 m).
Q
What warranty and support options are available for the WS-F4531?
A
The WS-F4531 includes a 1-year limited hardware warranty. Cisco SMARTnet or Cisco Solution Support contracts extend coverage for parts replacement and technical assistance.
Q
How can I troubleshoot PoE issues on the WS-F4531?
A
Use IOS commands such as "show power inline" and "show module" to verify PoE status, power draw and port diagnostics; check cabling and powered-device compatibility.
Q
Where can I purchase an authentic Cisco WS-F4531 line card?
A
Cisco WS-F4531 line cards are available through Cisco’s authorized resellers, distribution partners or directly via Cisco’s online ordering portal.
