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The I/O density of active devices is increasing. Blade chassis currently reach 48 optical ports (96 LC connectors) per blade with blade densities reaching eight to 18 per chassis. This creates a challenging optical cabling and connectivity management situation. Berk-Tek’s Optical Harness Assembly enables superb cabling management using staggered links optimized to grow as your system grows while maintaining flexibility and control. Each harness connects to the MTP(R) connector of your trunk cabling. This means you can install your trunk cabling sized to lifetime capacity while allowing you to add harnesses as your blade (port) population grows.
CONSTRUCTION Each optical harness is a small diameter twelve fiber cable of the specified fiber type. One end of the assembly is terminated to a 12 fiber pinned MTP (male) connector and the opposing fiber ends are terminated to user specified simplex or duplex connectors (LC or SC are typical). With each harness the stagger between pairs of connectors is set to minimize the excess cabling to be managed. Additionally, individual harnesses incorporated into a kit are themselves staggered precisely so that negligible excess cabling is the norm. Custom configurations are typically designed so the harness is ideally suited for the user’s component layout. . Kits can then be configured to support blade by blade growth.
Standard kits are also available for certain Brocade or Cisco active devices.
DEPLOYMENT
Key components:
By using Berk-Tek Harness Assemblies, you can fully cable your network backbone, safely and effectively terminating these fiber trunks to MTP patch panels located beneath the switch chassis.
Then, you can gradually add blades to the switch chassis to meet increasing traffic demands. This gradual build out approach allows you to not only manage your capital investments, it also enables you to reduce outsourced labor costs by simply having existing staff add the harness assemblies when they are needed.
The schematic explains how to derive the correct harness assembly part number for your specific application needs.
