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6912F rollable ribbon cable at 38.0mm OD and 1064 kg per km (LSZH), built as 432 ribbons of sixteen fibers on G.657A1 or G.657A2. Sourced build-to-order from tier 1 manufacturers using Fujikura preform glass, in up to 10 weeks for hyperscale and custom builds.
Need 1728F or a different count? We also build to custom order.
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Send the fiber count, type and footage. We reply with a spec, price and lead time.

6912F is the top of the count range for a single cable today. Hyperscale campus runs sit at 3,456 to 5,184 fibers, and 6,912-fiber cable is now shipping from several manufacturers. It gets there with rollable ribbon: sixteen-fiber ribbons that flex along their length, so 432 of them fit inside a 38.0mm cable and still splice on a mass fusion machine. Specify it when duct space, not fiber cost, is the limit on the route.
Fiber count
6912F, as 432 ribbons of sixteen fibers
Fiber type
G.657A1 or G.657A2 bend-insensitive single-mode
Outside diameter
38.0mm
Weight
1064 kg per km (LSZH jacket)
Construction
Rollable ribbon on Fujikura preform glass
Bend radius, pulling tension, duct and reel
Confirmed with your quote, per jacket and route
Lead time
Up to 10 weeks from PO for hyperscale and custom builds
Cloud and colocation routes run 864F to 1728F. Hyperscale campuses run 3,456F to 5,184F. 6912F is the top of the range, specified per route and supplied to order.
864F
1728F
3456F
5184F
6912F
Build-to-order: specified to your route, count and jacket, not off a fixed shelf.
Fujikura preform glass: tier 1 manufacturing, consistent quality.
Lead times that move: supply when domestic loose-tube is quoted months out.
Import/export handled: documentation, customs and delivery coordinated.
Founded in 1993: a supplier that also runs networks.
What is the outside diameter and weight of 6912F cable?
38.0mm OD and 1064 kg per km with an LSZH jacket, built as 432 ribbons of sixteen fibers.
Which fiber type does 6912F cable use?
G.657A1 or G.657A2 bend-insensitive single-mode fiber, on Fujikura preform glass.
What is the lead time for 6912F cable?
Up to 10 weeks from PO for hyperscale and custom builds. Domestic ribbon at high count is frequently quoted in months, sometimes longer where a manufacturer has pre-existing contract commitments.
Why is 6912F built with rollable ribbon?
Rollable ribbon flexes along its length instead of staying flat, so it packs into a smaller cable diameter. At 20mm OD, flat ribbon carries 432F and rollable carries 864F. The same principle is what fits 6912F into a 38.0mm cable, and it still splices on a mass fusion machine.
Is there a smaller high-count option?
Yes. The 1728F dielectric spec is 28.4mm OD and 482 kg per km, built as 144 ribbons of twelve fibers on G.652D. Ribbon cable runs from 12F to 6912F, so the count can be matched to the route.
What about the outdoor jacket, duct size, bend radius, pulling tension and reel?
These depend on the jacket and the route, so they are confirmed with your quote. Send the route length, duct size and install method and we will return the full spec with price and lead time.
Need 6912F for a Specific Route?
Send the route length, duct size and install method. We will confirm the full spec, price and lead time against your build.
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