PrecisionFlex® High Density MPO-LC Cassettes – Panel and Cassette

Sumitomo Electric’s PrecisionFlex® High Density MPO-LC Cassettes enables high capacity fiber connection between, for example, servers and switches. The LC adapters accommodates 144C / 1RU high density connections while featuring a tilt-up mechanism that enhances the workability of connectors.

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Product Specifications


Recommended Procedure


Kitting Components

Chassis (Slide Type)
Chassis (Fixed Type)
MPO Cassette Mounting Chassis Body1 set1 set
Rack Mount Screw4 pcs4 pcs
Hook-and-Loop Fastener, 1m1 roll

Ordering Information

PrecisionFlex® 19 inch Rack Mounted Cassette Chassis

Part NumberSlide/FixCassettes Cap.LC Connectors Cap.SizeExternal Dimensions (W x H x D)Weight
PFCST-1U-S-RPS-BKSlide121441 U19.4 x 1.7 x 13.6 in
(494 x 44 x 345 mm)
4.8 lbs
2.2 kg
PFCST-1U-F12-BKFIX121441 U19.1 x 1.7 x 6.6 in
(485 x 43 x 168 mm)
2.6 lbs
1.2 kg

PrecisionFlex® MPO Cassette

Part NumberFiber CountFiber TypeFront ConnectorRear ConnectorInsertion LossReturn LossExternal Dimensions (W x H x D)Weight
PFCST-SM-1X12MPOM-LC-S12fSM (Compatible with OS1/OS2)LC12MPO≤ 0.65 dB≥ 50 dB5.9 x 1.7 x 1.3 in
(151 x 43 34 mm)
0.2 lbs
0.1 kg
PFCST-MM-1X12MPOM-LC-S12fMM (Compatible with OM3/OM4)LC12MPO≤ 0.50 dB≥ 25 dB5.9 x 1.7 x 1.3 in
(151 x 43 x 34 mm)
0.2 lbs
0.1 kg


  • The LC Adapters Feature a Tilt-Up Mechanism that Improves the Attachability/Detachability of the Connectors
  • 19” Wide Conform to EIA-310 Racks
  • 144-Fiber Connection per 1RU
  • 12-Fiber (Quad LC x 3 Rows) Modular Cassette x 12pcs Horizontal Arrangements