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LIU and FMS

19-inch rack-mount LIUs and FMS panels, including loaded versions with adapters and pigtails fitted, for terminating fiber cables in racks and data halls.

An open 1U rack LIU with a splice tray, blue LC duplex adapters and yellow pigtails

Listed items

To quote: port count, adapter type, single-mode or multimode, and whether it comes loaded.

What an LIU does

An LIU (light interface unit) is a rack panel where a fiber cable is terminated. The cable enters at the back, each fiber is fusion-spliced to a pigtail in a splice tray, and the pigtail connectors plug into adapters on the front. Patch cords then run from those adapters to the equipment.

A loaded LIU comes with the adapters and pigtails already fitted, so only the cable splicing is left for the site. A sliding LIU has a drawer that pulls out for splicing and maintenance. FMS (fiber management system) is another trade name for the same kind of rack panel.

How to order

  1. Give the port count, for example 12, 24 or 48.
  2. Give the adapter type and polish, for example SC/UPC or LC duplex.
  3. Say single-mode or multimode, loaded or empty, and sliding or fixed.
  4. Send the quantities and delivery city on WhatsApp or through the quote form below.

Common questions

What does 24F mean?

The panel terminates 24 fibers, so it has 24 ports: 24 SC adapters or 12 LC duplex adapters.

LC or SC adapters?

LC fits twice as many ports in the same space, which suits data centres and SFP-based equipment. SC is common in telecom and FTTH.

Do the pigtails have to match the cable?

Yes. Use single-mode pigtails and adapters for single-mode cable and multimode for multimode, and match the polish at every joint.

Related

Request a quote

List the items, one per line. Send drawings or photos on WhatsApp or to rudraopti@gmail.com.