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WS-X4516
Catalyst 4500 10/100 Auto Module, 48-Ports (RJ-45)
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WS-X4516 is a high-performance Ethernet module designed to support 10Gbps networking via its SFP+ connector. It is compatible with leading routers, switches, and servers, and delivers robust performance for TCP/IP data transmission in demanding networking environments.
WS-X4516 features a modular form factor that allows for straightforward installation in data centers, facilitating network interface upgrades and capacity expansion. Its design emphasizes high-speed connectivity and reliable operation, making it ideal for upgrading server network interfaces and connecting to high-speed networks with minimal latency.
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In a multi-location retail chain, the WS-X4516-Catalyst 4500 10/100 Auto Module (48-Ports RJ-45) delivers 48 fast-Ethernet ports at the network edge to connect POS terminals, Wi-Fi access points and staff workstations. By consolidating high-density copper connectivity on a single Catalyst 4500 slot, IT teams achieve simplified provisioning, granular VLAN segmentation and consistent QoS—driving 30% faster roll-outs and reducing branch-office CAPEX by up to 20%.
University IT leverages the WS-X4516 module in a Catalyst 4500 to aggregate 48 lab PCs and VoIP phones per building floor, enforcing role-based VLANs for students, faculty and voice traffic. This high-port-count solution streamlines network management under Cisco IOS, ensures predictable 100 Mbps performance for e-learning applications and improves uptime with redundant supervisor support—boosting lab availability to 99.99%.
In a manufacturing plant, engineers deploy the WS-X4516-Catalyst 4500 module to connect 48 sensors, PLCs and barcode scanners with dedicated VLANs for production, safety and analytics traffic. The result is hardened network segmentation, real-time data flows at 100 Mbps and centralized policy enforcement via Cisco’s Secure Group Tag—minimizing downtime by 40% and accelerating OT-IT convergence securely.
To get the detailed certification, please go to the Compliance Center.
| WS-X4516 |  WS-X45-SUP6-E |  WS-X4624-SFP-E |  WS-X4K-CLOCK-E |  WS-X4418-GB | |
|---|---|---|---|---|---|
| Product Type | Network Module | Supervisor Engine Module | Network Module / Network Card | Clock Card | Network Module |
| Module Type | Ethernet | N/A | SFP | N/A | Ethernet |
| Data Rate | 10G | N/A | 1Gbps | N/A | 1Gbps |
| Connector Type | SFP+ | N/A | SFP | N/A | RJ-45 |
| Supported Protocols | TCP/IP | TCP/IP, SNMP | TCP/IP | N/A | TCP/IP, iSCSI |
| Form Factor | Modular | Modular | Modular | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 55°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 70°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | N/A | N/A | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Arista, Dell, HP | Cisco Catalyst 4500 Series Switches | Cisco Catalyst 4500-E Series | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 10Gbps | N/A | 1Gbps | N/A | 1Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | High availability, redundancy, advanced network management | Auto-negotiation, Jumbo Frames, QoS | High Precision Timing / Low Jitter Operation | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 15W | N/A | N/A | N/A | 15W |
| Interface Ports | Ethernet | N/A | SFP | N/A | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | WS-X4516 10G Ethernet Module | Cisco WS-X45-SUP6-E Enhanced Supervisor Engine | Cisco WS-X4624-SFP-E Ethernet Services Module | WS-X4K-CLOCK-E | WS-X4418-GB Ethernet Module |
| Height | 1.5 inches | N/A | N/A | N/A | 1.0 inches |
| Width | 3.5 inches | N/A | N/A | N/A | 4.0 inches |
| Depth | 7.0 inches | N/A | N/A | N/A | 8.0 inches |
| Weight | 0.8 lbs | N/A | N/A | N/A | 0.8 lbs |
The WS-X4516 line card provides excellent performance and reliability. It's perfect for handling high-density networks and heavy traffic.
We use the WS-X4516 for our network, and it's been great. It handles multiple connections effortlessly, providing reliable performance.
The WS-X4516 offers solid, fast connectivity. It integrates well into our infrastructure and works flawlessly even under heavy traffic.
Reliable and efficient. The WS-X4516 provides excellent speed and stability for our growing network needs.
The WS-X4516 delivers consistent performance. It's ideal for high-density networks and offers great scalability and reliability.
The Cisco WS-X4516 is a 48-port 10/100 Mbps auto-sensing RJ-45 line card for Catalyst 4500 Series switches, delivering high-density Layer 2 access and flexible enterprise connectivity.
The WS-X4516 provides 48 auto-sensing RJ-45 ports that operate at 10 or 100 Mbps, supporting full-duplex and half-duplex modes on each port.
The WS-X4516 is supported in Cisco Catalyst 4500 Series chassis with Supervisor III, IV, V, or 6-slot and 7-slot Supervisor Engines running an appropriate Cisco IOS image.
The WS-X4516 delivers up to 24 Gbps of switching capacity and a forwarding rate of approximately 17.8 Mpps, ensuring wire-speed performance on all 48 ports.
Yes. As a Layer 2 access module, the WS-X4516 supports IEEE 802.1Q VLAN tagging, Private VLANs, Spanning Tree Protocol, and integrates with supervisor-based Layer 3 routing features.
The WS-X4516 is hot-swappable. To install, power down or stand by the supervisor, slide the module into an available slot until it clicks, then power up and verify module status via CLI or front-panel LEDs.
The WS-X4516 consumes up to 50 Watts, operates at 0°C to 40°C (32°F to 104°F), and requires 10%–90% non-condensing humidity, meeting NEBS-Level 3 and RoHS compliance.
The WS-X4516 measures 1.75” (H) × 16.4” (W) × 13.1” (D) and weighs approximately 4.2 lbs (1.9 kg), fitting standard 19-inch rack mounting in Catalyst 4500 chassis.
Yes. Each RJ-45 port supports Auto-MDIX for automatic crossover detection and IEEE 802.3x flow control in full-duplex mode and backpressure in half-duplex mode.
The WS-X4516 is compatible with Cisco IOS 12.2(33)SXH and later Enterprise and Advanced Enterprise feature sets, enabling QoS, security, multicast, and management features.
After installation, access the switch CLI, enter global configuration mode, and use interface range GigabitEthernet or FastEthernet commands to assign VLANs, QoS, or security settings per port.
Yes. The module leverages supervisor-based QoS features including classification, priority queuing, policing, shaping, and Weighted Random Early Detection (WRED) on all ports.
Manage the module via Cisco IOS CLI, SNMP, Cisco Prime Infrastructure, or web-based Device Manager to monitor port status, traffic statistics, and alarms in real time.
Cisco offers a limited lifetime warranty on the WS-X4516 plus 90-day limited replacement. Optional SMARTnet support covers 24/7 technical assistance, software updates, and advanced hardware replacement.
Verify module status LEDs, confirm IOS recognition with show module, check port configurations and cable integrity, and review logs with show logging for error messages.
You can purchase the WS-X4516 through authorized Cisco partners, distributors, or online marketplaces. Provide SKU WS-X4516 to ensure correct product ordering.