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Bend Insensitive G657A2 12 Fiber MPO MTP Patch Cord for Tight Cabinet Corners

  • Bend Insensitive G657A2 12 Fiber MPO MTP Patch Cord for Tight Cabinet Corners
  • Bend Insensitive G657A2 12 Fiber MPO MTP Patch Cord for Tight Cabinet Corners
Place of Origin Guangdong, China
Brand Name KCO
Certification RoHS, ISO 9001:2015, ITU-T G.657.A2
Model Number MPO-12F-G657A2-BI
Minimum Order Quantity 10 Pieces
Price USD 12-68 / Piece
Packaging Details Individual PE bag with dust caps, shock-proof foam divider, export carton with desiccant, wooden pallet for bulk orders
Delivery Time 3-7 working days for stock items, 12-18 days for customized assemblies
Payment Terms T/T, L/C, Western Union
Supply Ability 30000 Pieces per Month
Product Details
Product Name Bend Insensitive G657A2 MPO MTP Patch Cord Application Tight Cabinet Corners And Dense Rear Panel Routing
Bend Radius 10 Mm Installed, 5 Mm Short Term Fiber Type G657A2 Bend Insensitive Single Mode 9/125 Um
Fiber Count 12 Fibers, 8 And 24 Fiber Available Insertion Loss 0.35 DB Maximum, Elite Grade
Return Loss 60 DB Minimum APC Polish Jacket Material LSZH, 2.0 Mm Or 3.0 Mm
Polarity Type A, Type B, Type C Operating Temperature -40 To +85 Celsius
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Bend Insensitive G657A2 Cord

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12 Fiber Tight Cabinet Cord

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Low Bend Loss MPO Cord
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Product Description

Bend Insensitive G657A2 12 Fiber MPO MTP Patch Cord for Tight Cabinet Corners

A cabinet door that closes on a loop of cord, or a bundle that runs behind a dense patch field, will quietly add loss to a standard single mode fiber long before anyone notices a fault. This bend insensitive G657A2 12 fiber MPO MTP patch cord uses a trench assisted core profile that holds loss below 0.1 dB at a 10 mm radius, so routing behind a rear panel no longer works against the link budget. The APC polish keeps return loss at 60 dB, which matters on analog RFoG and DWDM overlay links where reflection is the real enemy. Because the fiber can turn a tight corner, an installer can drop a bend insensitive MPO MTP patch cord into a 600 mm cabinet without a service loop and without a cable management accessory.

Technical Specifications

Connector AMPO or MTP female, 12 fiber, APC polish
Connector BMPO or MTP female, 12 fiber, APC polish
Fiber TypeG657A2 bend insensitive single mode 9/125 um
Bend Radius10 mm installed, 5 mm short term
Bend Loss0.1 dB maximum at 10 mm radius, 1550 nm
Fiber Count12 fibers, 8 and 24 fiber available
Insertion Loss0.35 dB maximum
Return Loss60 dB minimum
JacketLSZH, 2.0 mm or 3.0 mm, halogen free
PolarityType A, Type B, Type C
Length1 m to 60 m, cut to order
ComplianceITU-T G.657.A2, IEC 61754-7, RoHS

Application Fit and Advantage Points

  • 600 mm deep cabinets — a bend insensitive G657A2 MPO MTP patch cord routes behind the rear panel without a service loop, which frees space for airflow.
  • Door swing clearance — 10 mm installed radius means the cord survives a cabinet door that closes on the bundle every day.
  • Dense patch fields — tight radius tolerance keeps loss inside budget when 12 fibers share a narrow vertical manager.
  • RFoG and DWDM overlay — 60 dB return loss protects analog video and narrow linewidth sources from back reflection.
  • Rooftop and outdoor cabinets — the assembly is proven from -40 to +85 Celsius, so thermal contraction does not add bend loss.

Buyer Questions on This Specification

Q: How much loss does a tight bend actually add?

A: On this bend insensitive G657A2 MPO MTP patch cord the added loss stays at or below 0.1 dB at a 10 mm radius at 1550 nm, against 0.5 dB or more for standard G652D fiber.

Q: Does bend insensitive fiber cost more?

A: The fiber premium is small, and it usually disappears once you remove a cable management accessory or a longer service loop from the bill of materials.

Q: Is G657A2 compatible with existing G652D spans?

A: Yes. G657A2 is fully splice and connector compatible with G652D and G657A1, so a bend insensitive MPO MTP patch cord drops into an existing single mode plant without a redesign.

Q: Can multimode be supplied in the same build?

A: Yes. OM3 and OM4 versions use the same housing and jacket, and the bend radius specification is 15 mm installed for the multimode variant.

Manufacturing and Quality Control

Bend performance is tested rather than claimed: each fiber lot is wrapped on a 10 mm mandrel and measured at 1550 nm before the ribbon is terminated. A bend insensitive MPO MTP patch cord from this line ships with that wrap test summary together with the insertion loss and 3D end face record. Our engineers have designed single mode assemblies for telecom and utility networks since 2011, and the plant holds ISO 9001:2015 with full incoming fiber traceability to the preform lot.

Assembly drawings, insertion loss records and end face images are available before shipment. Custom fiber counts, leg lengths, polarity and jacket colours are confirmed in writing before production.

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