Cisco 208051-00 6236a - System Clock; Scc/lec

Overview

The Cisco 6236a System Clock (part number 208051-00) is a precision timing module designed to provide accurate clock synchronization for a wide range of Cisco networking equipment. Engineered for reliability and ease of integration, this system clock ensures that time-critical applications such as voice, video, and data services operate with optimal performance and minimal latency.

Key Features

• High precision timing source supporting both NTP and PTP protocols
• Compact form factor compatible with standard Cisco chassis slots
• Robust thermal design for operation in harsh data center environments
• Plug-and-play installation reduces deployment time
• Low power consumption helps lower overall system energy costs
• Built-in diagnostics and status LEDs simplify troubleshooting

Technical Specifications

• Model: 6236a (SCC/LEC)
• Part Number: 208051-00
• Input Voltage: 12 VDC +/- 10 percent
• Power Consumption: max 5 W
• Operating Temperature Range: 0 deg to 50 deg C (32 deg F to 122 deg F)
• Storage Temperature Range: -40 deg to 85 deg C (-40 deg F to 185 deg F)
• Clock Accuracy: +/- 1 ppm typical
• Supported Interfaces: RJ45 Ethernet for NTP, optional SFP module for PTP
• Dimensions: 1U rack height, 17.3 mm depth

Applications

• Enterprise campus networks requiring synchronized timestamps for security logs and event correlation
• Carrier grade voice over IP (VoIP) platforms where precise timing reduces jitter and improves call quality
• Video conferencing systems that depend on accurate frame alignment across multiple endpoints
• Data center environments that use time-sensitive networking protocols such as PTP for storage replication
• Industrial automation networks where coordinated actions rely on a common clock source

This Cisco 6236a System Clock delivers dependable timing performance, helping network administrators maintain seamless operation across diverse services while simplifying management and reducing total cost of ownership.