Multimode OM1 62.5/125 Fiber Optic Couplers

Our Multimode OM1 62.5/125 Fiber Optic Couplers are designed to provide precise, low-loss connections between two multimode fiber optic cables. These couplers—also known as adapters—feature high-precision alignment sleeves that ensure accurate mating of connectors to maintain signal integrity. Available in LC, SC, ST, and FC connector styles, these couplers are ideal for joining simplex, duplex, or even quad fiber runs in structured cabling systems. All models are finished in the standard beige color for OM1 compatibility and are designed to meet both performance and durability standards.

LC Simplex Multimode OM1 - 6.5/125 Fiber Optic Coupler without Flange - Beige
LC Simplex Multimode OM1 - 6.5/125 Fiber Optic Coupler without Flange - Beige

$2.25
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51 Unit(s) available
LC-FOSC-M1-01
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LC Duplex Multimode OM1 - 6.5/125 Fiber Optic Coupler with Flange - Beige
LC Duplex Multimode OM1 - 6.5/125 Fiber Optic Coupler with Flange - Beige

$2.50
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3,617 Unit(s) available
LC-FODC-M1-02
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LC Duplex Multimode OM1 - 6.5/125 Fiber Optic Coupler without Flange - Beige
LC Duplex Multimode OM1 - 6.5/125 Fiber Optic Coupler without Flange - Beige

$2.25
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815 Unit(s) available
LC-FODC-M1-02-NF
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SC Simplex Multimode OM1 - 62.5/125 Fiber Optic Coupler without Flange - Beige
SC Simplex Multimode OM1 - 62.5/125 Fiber Optic Coupler without Flange - Beige

$1.95
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1,477 Unit(s) available
SC-FOSC-WOF-M1-01
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SC Simplex Multimode OM1 - 62.5/125 Fiber Optic Coupler with Flange - Beige
SC Simplex Multimode OM1 - 62.5/125 Fiber Optic Coupler with Flange - Beige

$2.00
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476 Unit(s) available
SC-FOSC-M1-01
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SC Simplex Multimode Multimode OM1 - 6.5/125 Fiber Optic Coupler with Flange and Hinged Spring-Loaded Dust Cover Door - Beige
SC Simplex Multimode Multimode OM1 - 6.5/125 Fiber Optic Coupler with Flange and Hinged Spring-Loaded Dust Cover Door - Beige

$4.95
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349 Unit(s) available
SC-FOSC-OM1WF-SSD-01
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LC Quad Multimode OM1 - 6.5/125 Fiber Optic Coupler with Flange - Beige
LC Quad Multimode OM1 - 6.5/125 Fiber Optic Coupler with Flange - Beige

$3.55
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1 Unit(s) available
LC-FOQC-M1-04
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SC Duplex Multimode OM1 - 6.5/125 Fiber Optic Coupler with Flange - Beige
SC Duplex Multimode OM1 - 6.5/125 Fiber Optic Coupler with Flange - Beige

$2.50
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1,114 Unit(s) available
SC-FODC-M1-02
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ST Simplex Universal Fiber Optic Coupler for Singlemode and Multimode Fiber
ST Simplex Universal Fiber Optic Coupler for Singlemode and Multimode Fiber

$2.00
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415 Unit(s) available
ST-FOSC-UV-01
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FC Simplex Universal Fiber Optic Coupler for Singlemode and Multimode Fiber
FC Simplex Universal Fiber Optic Coupler for Singlemode and Multimode Fiber

$5.00
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192 Unit(s) available
FC-FOSC-UV-01
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ST Simplex Universal Fiber Optic Coupler with Flange for Singlemode and Multimode Fiber
ST Simplex Universal Fiber Optic Coupler with Flange for Singlemode and Multimode Fiber

$2.50
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243 Unit(s) available
ST-FOSC-UV-WF-01
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ST Duplex Universal Fiber Optic Coupler with Flange for Singlemode and Multimode Fiber
ST Duplex Universal Fiber Optic Coupler with Flange for Singlemode and Multimode Fiber

$4.50
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364 on the way
Icon On Backorder Until TBD
ST-FODC-UV-WF-01

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QuickTreX® Premium Outdoor Harsh Environment Waterproof IP68 Rated and High Performance PA66 Thermoplastic In-Line Custom Fiber Optic Optic MM or SM - LC or SC Coupler - Compatible w/ 1 x 1.5 - 4.5 mm Cable OD
QuickTreX® Premium Outdoor Harsh Environment Waterproof IP68 Rated and High Performance PA66 Thermoplastic In-Line Custom Fiber Optic Optic MM or SM - LC or SC Coupler - Compatible w/ 1 x 1.5 - 4.5 mm Cable OD

$8.50
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270 Unit(s) available
QT-OHE-IP68-INL-PCCCS-1545
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QuickTreX® Premium Outdoor Harsh Environment Waterproof IP68 Rated and High Performance PA66 In-Line Custom Fiber Optic Optic MM/SM - LC, SC, or MTP/MPO Coupler - Compatible w/ 1 x 4.5 - 7.5 mm Cable OD
QuickTreX® Premium Outdoor Harsh Environment Waterproof IP68 Rated and High Performance PA66 In-Line Custom Fiber Optic Optic MM/SM - LC, SC, or MTP/MPO Coupler - Compatible w/ 1 x 4.5 - 7.5 mm Cable OD

$8.50
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484 Unit(s) available
QT-OHE-IP68-INL-PCCCS-4575
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QuickTreX® Premium Outdoor Harsh Environment Waterproof IP68 Rated and High Performance PA66 Thermoplastic Panel-Mount Bulkhead MM or SM - LC, SC, or MTP/MPO Custom Fiber Optic Coupler w/ Dust Cap and Lanyard - Compatible w/ 1 x 1.5 - 7.5 mm Cable OD
QuickTreX® Premium Outdoor Harsh Environment Waterproof IP68 Rated and High Performance PA66 Thermoplastic Panel-Mount Bulkhead MM or SM - LC, SC, or MTP/MPO Custom Fiber Optic Coupler w/ Dust Cap and Lanyard - Compatible w/ 1 x 1.5 - 7.5 mm Cable OD

$9.95
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234 Unit(s) available
QT-OHE-IP68-BHS-1A-1545
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QuickTreX® Premium Outdoor Harsh Environment Waterproof IP68 Rated and High Performance PA66 Panel-Mount Bulkhead MM or SM - LC or SC Custom Fiber Optic Coupler w/ Dust Cap and Lanyard - Compatible w/ (Duplex) 2 x 1.5 - 4.5 mm Cable OD
QuickTreX® Premium Outdoor Harsh Environment Waterproof IP68 Rated and High Performance PA66 Panel-Mount Bulkhead MM or SM - LC or SC Custom Fiber Optic Coupler w/ Dust Cap and Lanyard - Compatible w/ (Duplex) 2 x 1.5 - 4.5 mm Cable OD

$9.95
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197 Unit(s) available
QT-OHE-IP68-BHS-2A-1545
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Built for Your Application

These OM1 couplers are essential components for any network that requires reliable multimode connectivity. Whether you're building or expanding a fiber patch panel, wall mount enclosure, or cross-connect system, these couplers enable you to link or extend fiber lines without compromising on quality. Their compatibility with a range of connector formats—including LC, SC, ST, and FC—makes them a flexible choice for mixed environments and future upgrades. With universal models that support both multimode and singlemode, you also gain installation flexibility and simplified inventory management.

Key Features & Benefits:

  • Compatible with OM1 62.5/125 multimode fiber

  • Available in LC, SC, ST, and FC formats

  • Choose from simplex, duplex, or quad configurations

  • Flanged and non-flanged options for a variety of panel mounting needs

  • Universal couplers support both multimode and singlemode fiber

  • High-precision alignment sleeves help ensure low insertion loss and high return loss

  • Spring-loaded dust cover options available for added connector protection

  • Industry-standard beige housing for OM1 identification

  • RoHS compliant and built for long-term reliability in demanding applications

Available Configurations for These Products

All couplers in this category are stock items and typically ship within 24 business hours, making them a great choice for time-sensitive installations. These products are not customizable, but we offer a wide selection of customizable fiber optic components elsewhere on our site if you need something more specific.

Connector configurations include:

  • LC: simplex, duplex, and quad versions

  • SC: simplex and duplex, with or without flange

  • ST: simplex and duplex, with flange options

  • FC: simplex universal

  • Universal compatibility: select ST and FC models support both multimode and singlemode fiber

Mounting options:

  • With flange for secure panel mounting

  • Without flange for cleaner installations where mounting hardware is not required

All models are available as standalone components, meaning no pulling eyes or pre-terminated leads apply. These are in-panel adapters used to interconnect or extend patch cables.

Common Uses for Multimode OM1 62.5/125 Fiber Optic Couplers

  • Patch panels in telecom and data networks

  • Wall mount enclosures and rack-mount fiber systems

  • LAN and backbone infrastructure where OM1 fiber is deployed

  • Laboratory and test environments where temporary connections are needed

  • Expansion or extension of legacy OM1 multimode networks

  • Cross-connects for quick changes and reconfiguration of fiber pathways

FAQ

Are these couplers compatible with other fiber types?

These couplers are optimized for OM1 62.5/125 multimode fiber, but several universal couplers in this category (such as ST and FC versions) are also compatible with singlemode. However, it's generally best practice to match fiber types for optimal performance.

What’s the difference between flanged and non-flanged versions?

Flanged couplers include a mounting tab that allows the coupler to be screwed or snapped into a patch panel or enclosure. Non-flanged couplers are more compact and are useful for cleaner, streamlined installs without panel mounting.

Do these couplers support duplex connections?

Yes. In addition to simplex couplers, the category includes duplex and quad couplers, especially for LC and SC connector types. Duplex versions allow simultaneous bi-directional communication using two fibers.

Can these be reused or re-installed?

Yes. These couplers are durable and reusable, allowing for multiple mating cycles. They’re ideal for both permanent installations and test setups where connections are frequently changed.

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