Cisco CRS-MSC-IMPEDANCE CRS-1 Series Impedence Cover / Module

Overview
The Cisco CRS-1 Series Impedance Cover / Module (part number CRS-MSC-IMPEDANCE) is a precision engineered component designed to protect and optimize the impedance matching of Cisco Carrier Routing System (CRS) chassis. This cover provides a robust physical barrier while maintaining the electrical characteristics required for high-performance carrier-grade networking. It is an essential accessory for service providers and large enterprises that demand reliable, low-latency transport across their backbone infrastructure.

Key Features

• Designed specifically for the Cisco CRS-1 series chassis and line cards
• High-quality shielding material reduces electromagnetic interference
• Precision fit ensures consistent impedance across the full frequency range
• Easy installation with tool-free snap-in design
• Durable construction suitable for high-temperature data center environments
• Compatible with both new installations and retrofit upgrades

Technical Specifications

• Impedance: 100 ohms differential
• Frequency range: DC to 10 GHz
• Operating temperature: -10 deg C to 55 deg C
• Material: Flame retardant polymer with copper plating
• Dimensions: 440 mm (height) x 380 mm (width) x 30 mm (depth)
• Weight: 1.2 kg
• Connector type: Standard CRS-1 module interface

Applications
The CRS-1 Series Impedance Cover / Module is ideal for:

• Carrier core networks requiring strict impedance control
• Metro aggregation points where signal integrity is critical
• Data center interconnects that demand low latency and high reliability
• Network upgrades and expansions that need seamless integration with existing CRS hardware
• Environments with high electromagnetic activity where additional shielding improves performance

By incorporating this Cisco impedance cover, operators can enhance the stability of their transport layer, reduce signal loss, and extend the lifespan of valuable CRS assets, all while simplifying maintenance procedures.