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WS-X45-SUP6L-E
Catalyst 4507R-E/4510R-E Clock Module (Spare)
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WS-X45-SUP6L-E is a high-performance Ethernet module engineered for enterprise-grade networks and data center applications. Designed to support speeds up to 10Gbps, this module features an SFP+ connector that ensures versatile and robust connectivity with routers, switches, and servers, while also supporting industry-standard protocols such as TCP/IP and iSCSI. Its modular PCIe form factor simplifies installation, making it an ideal solution for upgrading server network interfaces and connecting to high-speed networks.
Optimized for scalability and reliability, the WS-X45-SUP6L-E module is perfectly suited for expanding data center capacity and enhancing network efficiency. It offers advanced features including auto-negotiation, wake-on-LAN, jumbo frame support, and QoS, ensuring superior data throughput and minimal latency for mission-critical deployments. With its efficient power management and durable construction, this Ethernet module delivers consistent performance in demanding operating environments.
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In a financial services data center running Cisco Catalyst 4507R-E with a WS-X45-SUP6L-E clock module (spare), traders require sub-microsecond precision for algorithmic trading. By installing the spare clock module, the network automatically switches to a redundant timing source if the primary fails, ensuring continuous IEEE 1588 PTP synchronization across cores and leaf switches. Benefit: Maintains ultra-low latency and deterministic packet delivery, preventing costly trade execution delays and preserving SLAs.
At a 5G edge point-of-presence, a telecom operator deploys Cisco Catalyst 4510R-E with a WS-X45-SUP6L-E spare clock module to support Synchronous Ethernet and PTPv2 timing distribution. In the event of a supervisor failure, the hot-swappable spare instantly assumes clock duties, preserving seamless timing for cell site backhaul. Benefit: Guarantees uninterrupted service delivery, reduces network downtime risk, and enhances subscriber QoS in latency-sensitive mobile applications.
A large university campus upgrades its core layer with Catalyst 4507R-E switches equipped with a WS-X45-SUP6L-E clock module (spare) to synchronize VoIP, video lecture streaming, and time-sensitive lab instrumentation. The spare module provides automatic clock master failover and supports dual-redundant timing. Benefit: Delivers consistent multimedia quality, avoids class disruptions, and ensures accurate time stamping for academic research data.
To get the detailed certification, please go to the Compliance Center.
| WS-X45-SUP6L-E |  WS-X4748-RJ45-E |  WS-X4013+10GE |  WS-X4K-CLOCK-E |  WS-X45-SUP8L-E= | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module | Network Module / Network Card | Clock Card | Supervisor Module |
| Module Type | Ethernet Module | Ethernet | Ethernet | N/A | Supervisor Module |
| Data Rate | 10Gbps | 1Gbps | 10Gbps | N/A | N/A |
| Connector Type | SFP+ | RJ-45 | SFP+ | N/A | N/A |
| Supported Protocols | TCP/IP, iSCSI | TCP/IP | TCP/IP, iSCSI | N/A | N/A |
| Form Factor | PCIe | Modular | Modular | PCIe | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | N/A | -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 | Cisco | Cisco / Juniper / Arista / Dell / HP | Cisco Catalyst 4500 Series |
| Max Speed | 10Gbps | 1Gbps | 10Gbps | N/A | N/A |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | High Precision Timing / Low Jitter Operation | Redundancy, High Availability, Modular Integration |
| Power Consumption | 15W | N/A | N/A | N/A | N/A |
| Interface Ports | Ethernet | Ethernet | SFP+ | N/A | N/A |
| Expansion Slots | SFP+ | N/A | N/A | N/A | N/A |
| Product Name | WS-X45-SUP6L-E | WS-X4748-RJ45-E | WS-X4013+10GE | WS-X4K-CLOCK-E | WS-X45-SUP8L-E= |
| Height | 0.3 inches | N/A | N/A | N/A | N/A |
| Width | 4.4 inches | N/A | N/A | N/A | N/A |
| Depth | 1.7 inches | N/A | N/A | N/A | N/A |
| Weight | 1.2 lbs | N/A | N/A | N/A | N/A |
The WS-X45-SUP6L-E supervisor engine offers excellent performance. It supports our growing network with fast, reliable processing and smooth integration.
The WS-X45-SUP6L-E provides fast processing and is easy to integrate into our infrastructure. It offers great scalability and stability.
The WS-X45-SUP6L-E has been an excellent addition. It ensures smooth operation with high-speed data handling and minimal downtime.
The WS-X45-SUP6L-E is reliable and powerful. It provides excellent performance and handles heavy data traffic effortlessly.
We've had no issues with the WS-X45-SUP6L-E. It integrates easily and supports our network's growth with minimal maintenance required.
The WS-X45-SUP6L-E is a genuine Cisco clock module spare designed for Catalyst 4507R-E and 4510R-E chassis, providing precise timing for line cards and supervisor engines.
The WS-X45-SUP6L-E is compatible only with Cisco Catalyst 4507R-E and 4510R-E chassis and is not supported in other Catalyst series.
The WS-X45-SUP6L-E ensures accurate network timing, enhances synchronization across line cards, and supports redundant configurations for high availability.
Yes. You can install or replace the WS-X45-SUP6L-E without powering down the Catalyst 4507R-E/4510R-E chassis, minimizing network downtime.
Insert the module into the designated clock-module slot in the 4507R-E/4510R-E chassis until it clicks, then verify installation via 'show module' in the CLI.
The WS-X45-SUP6L-E requires Cisco IOS 12.2(33)SXH or later on the Catalyst 4507R-E/4510R-E to ensure full functionality.
Run the CLI command 'show diagnostic result module <slot>' or 'show module' to confirm the clock-module status is listed as OK.
Yes. It supports redundant clocking in dual-supervisor and high-availability configurations for uninterrupted timing services.
The WS-X45-SUP6L-E carries Cisco’s limited lifetime hardware warranty when purchased as a genuine spare part.
Contact Cisco TAC or your authorized partner, provide the serial number, and follow the standard RMA instructions for a replacement.
No. The WS-X45-SUP6L-E clock module is not compatible with Catalyst 4506 chassis—it only fits 4507R-E and 4510R-E.
The module measures 13.5 × 1.57 × 17.5 cm and consumes under 1 W of power, fitting standard Cisco 4507R-E/4510R-E specifications.
No. The clock-module functionality is managed by the chassis supervisor’s IOS image and does not require separate firmware.
Re-seat the module, verify diagnostics via CLI, update your IOS, and if the issue persists, initiate an RMA with Cisco.
Yes. The WS-X45-SUP6L-E is an original Cisco-manufactured spare part for Catalyst 4507R-E and 4510R-E chassis.
Delivery typically occurs within 1–3 business days for in-stock items, though lead times may vary by region and order priority.