Cisco WS-X4K-CLOCK Catalyst 4507R-E/4510R-E Internal Clock Module

Overview
The Cisco WS-X4K-CLOCK is the internal clock module designed for the Catalyst 4507R-E and 4510R-E chassis. This compact, hot-swap module provides a reliable timing source for network synchronization, ensuring accurate time stamps for logging, security, and quality of service functions across the entire switching platform. Its seamless integration with Cisco IOS software makes it an essential component for enterprises that demand precise network coordination.

Key Features

• High precision timing for network devices
• Hot-swap capable for zero downtime installation
• Compatible with both Catalyst 4507R-E and 4510R-E chassis
• Supports Network Time Protocol (NTP) and Precision Time Protocol (PTP)
• Low power consumption and compact form factor
• Built-in diagnostics and status LEDs for easy monitoring

Technical Specifications

• Model number: WS-X4K-CLOCK
• Form factor: Internal module, 1U height
• Power draw: less than 5 watts
• Operating temperature: 0 to 55 degrees Celsius
• Storage temperature: -40 to 85 degrees Celsius
• Interface: Dedicated clock interface for chassis backplane
• Supported protocols: NTP, PTP, IEEE 1588
• LED indicators: Status, fault, and synchronization

Applications

• Enterprise data centers that require synchronized logging and event correlation
• Service provider networks using time-sensitive applications such as voice over IP and video streaming
• Financial institutions that need precise transaction timestamps for compliance
• Industrial automation environments where coordinated control signals depend on accurate timing
• Any Cisco Catalyst deployment that benefits from reliable, centralized time distribution