What Is Structured Cabling Trunk?_
A structured cabling trunk is a pre-terminated, multi-fiber cable assembly, typically using MPO connectors, designed to connect patch panels in a data center's horizontal or backbone cabling. It eliminates the need for field termination, reducing installation time and potential errors. These trunks are used to create a permanent, organized cabling infrastructure that supports high-speed networking, such as InfiniBand or Ethernet, in GPU clusters.
Technical Details
Structured cabling trunks are typically constructed with 12, 24, or 48 fibers per trunk, terminated with MPO-12 or MPO-24 connectors at each end. They are available in various lengths and fiber types (e.g., OM4, OM5 for multimode, or OS2 for singlemode) to match the network's reach and bandwidth requirements. The trunks are routed through cable trays or ladder racks and terminated at patch panels, where shorter patch cords connect to active equipment. Proper bend radius and strain relief are critical to maintain signal integrity, as per the relevant cabling standards.
How Leviathan Systems Works with Structured Cabling Trunk
In our field work, we deploy structured cabling trunks to quickly establish the fiber backbone between top-of-rack switches and the main distribution area, supporting the scale-out network for GPU clusters. This approach minimizes on-site termination and testing time, allowing us to meet tight commissioning schedules.
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