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Black Box Corporation

Black Box FOCA20M3-3MP12-36LC MTP OM3 LGX Cassette 3x12 MTP to 36 LC Type A adapter

SKU CH-80JN-86FWJ MPN FOCA20M3-3MP12-36LC

An OM3 LGX cassette converts three 12-strand MTP connectors wired to method A into 36 LC ports with 0.3 dB LC and 0.75 dB MTP maximum insertion loss at 850/1300 nm

  • TypeMTP OM3 Fiber Optic LGX Cassette
  • Changer Type3 x MTP 12 to 36 x LC Type A
  • ColorBlack
  • SpecificationsLC connector insertion loss is 0.3 dB (max.) at 850/1300 nm.
  • FeaturesHas 36 LC connectors (18 duplex pairs). Features three 12-st
  • Dimensions1.52"H x 5.3"W x 4.9"D (3.9 x 13.5 x 12.4 cm)
  • Low-loss LC links at .3 dB max insertion loss
  • Low-loss MTP links at .75 dB max insertion loss
  • 36 LC ports (18 duplex pairs) for dense patching
  • Three 12-strand MTP connectors wired to method A
  • Compact LGX cassette fits high-density 108 LC enclosure

LGX Cassette OM3 36 LC

This Black Box LGX cassette provides 36 LC connectors arranged as 18 duplex pairs fed by three 12-strand MTP connectors. It uses OM3 multimode fibre and follows method A polarity wiring. The unit fits the High-Density 108 LC Enclosure for rack mounting.

Installers needing method A polarity

Engineers who require method B or method C polarity wiring should select a different cassette because this model is fixed to method A. Networks that run on single-mode fibre or OM4/OM5 grades also need a separate part.

Insertion loss LC 0.3 dB MTP 0.75 dB

LC connectors present a maximum insertion loss of 0.3 dB at 850/1300 nm while the MTP interfaces are rated at 0.75 dB max at the same wavelengths. These figures determine whether the cassette meets your link-loss budget.

Highlights

  • Low-loss LC links at .3 dB max insertion loss
  • Low-loss MTP links at .75 dB max insertion loss
  • 36 LC ports (18 duplex pairs) for dense patching
  • Three 12-strand MTP connectors wired to method A
  • Compact LGX cassette fits high-density 108 LC enclosure

Specifications

BrandBlack Box
ModelFOCA20M3-3MP12-36LC
TypeMTP OM3 Fiber Optic LGX Cassette
Changer Type3 x MTP 12 to 36 x LC Type A
ColorBlack
SpecificationsLC connector insertion loss is 0.3 dB (max.) at 850/1300 nm.
MTP connector insertion loss is 0.75 dB (max.) at 850/1300 nm.
Made especially for the High-Density 108 LC Enclosure (FOEN50HD-3H-1U).
FeaturesHas 36 LC connectors (18 duplex pairs).
Features three 12-strand MTP MPO-style connectors, which are wired to method A.
Dimensions1.52"H x 5.3"W x 4.9"D (3.9 x 13.5 x 12.4 cm)
Weight0.81 lb. (0.37 kg)
Shipping weight0.48 kg
Package size127 × 127 × 25 mm

Questions about this item

Does the 36 LC adapter panel generate any heat or noise when installed in a rack?

The cassette is completely passive with no moving parts or electronics, so it produces no heat or noise during continuous operation.

What patch cords or enclosures must I already have to use the three 12-strand MTP connectors wired to method A?

You need 12-fibre MTP patch cables with Type A polarity and an LGX-compatible enclosure such as the High-Density 108 LC Enclosure (FOEN50HD-3H-1U).

Will the 0.3 dB LC and 0.75 dB MTP insertion loss figures work with my existing OM3 links at 850 nm and 1300 nm?

Yes, the stated maximum losses at 850 nm and 1300 nm are within typical OM3 link budgets, so the cassette will not add unexpected attenuation to your current runs.

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