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12 Fibers MPO OM1 Multimode 62.5/125 Fiber Loopback Cable
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Product Highlights:
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Compact MPO loopback for quick verification and diagnostics of MPO/MTP ports — ideal for lab and field testing.
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Engineered with OM1 62.5/125 multimode fiber and LSZH jacket for safe indoor use and predictable short-reach performance.
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100% factory tested with documented test report and designed for easy, accurate insertion into MPO ports.
Table of Contents
Description
FiberMania’s 12-fiber MPO OM1 (62.5/125) Fiber Loopback Cable is a ready-to-use test accessory that provides a stable optical return path for MPO/MTP ports. It simplifies functional checks, burn-in, and port isolation on equipment and patch panels: plug the loopback into the MPO port and the device receives its own transmit signal back, enabling fast verification of transceiver and system behavior without a second link. Built for reliability and repeatability, every unit is 100% functionally tested and shipped with a test report.
Specification
| Connector | MPO (female), 12 fibers (MPO/MTP compatible) |
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| Fiber count | 12 fibers |
| Fiber type / Mode | OM1 Multimode (62.5 / 125 µm) |
| Core diameter | 62.5 µm |
| Cable length | 5 m (example length from your earlier product listing) — Custom lengths available |
| Jacket type | LSZH (Low Smoke Zero Halogen) |
| Jacket color | Orange (multimode standard) |
| Cable structure | MPO loopback assembly (pre-terminated, no field splicing) |
| Durability / Mating cycles | ≥500 cycles (≤0.2 dB change) — factory verified |
| Reflectance / Return loss | ≥20 dB (minimum) — factory measured |
| Typical insertion loss (per channel) | ≤0.50 dB (typical, factory measured; exact values provided in test report) |
| Testing | 100% functional test; individual test report supplied with each assembly |
| Compliance | RoHS; manufactured to industry fiber optic standards (TIA/EIA / IEC guidelines) |
| Operating temperature (typical) | −20°C to +70°C (custom ranges available on request) |
| Storage temperature (typical) | −40°C to +85°C |
| Minimum bend radius | ≥10 × cable diameter (follow fiber manufacturer recommendations) |
| Tensile rating (typical) | 50 N (example typical) — customizable and testable on request |
Features
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Connector: MPO female, 12-fiber loopback configuration for MPO/MTP ports.
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Fiber grade: OM1 multimode (62.5/125 µm) optimized for short-reach multimode test scenarios.
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Jacket: LSZH (Low Smoke Zero Halogen) — safer for indoor/riser environments.
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Color: Orange (industry standard for multimode).
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Durability: ≥500 mating cycles with ≤0.2 dB change (factory verified).
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Reflectance (return loss): ≥20 dB (minimum).
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100% functional testing with test report provided for each assembly.
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Compact, plug-and-play design for fast, repeatable testing.
Applications
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Fiber optic laboratories and R&D test benches.
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Telecom and transceiver functional testing.
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FTTx verification and MPO port diagnostics.
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Data center MPO/MTP port validation and burn-in.
Frequently Asked Questions (FAQ)
Q: What is the purpose of a MPO loopback cable?
A: It provides an optical return path at an MPO port so transmit channels are looped back to receive channels, allowing quick functional checks and diagnostics without a second transceiver or link.
Q: Is this cable pre-tested?
A: Yes — every unit is 100% functionally tested at the factory and shipped with a test report.
Q: What environments is the cable suitable for?
A: The standard product uses an LSZH jacket and is intended for indoor/riser use (data centers, labs, telecom rooms). Outdoor or armored variants can be supplied on request.
Q: Can you supply this loopback in single-mode or other multimode grades?
A: Yes. FiberMania offers OM2/OM3/OM4 multimode and OS2 single-mode variants as OEM/ODM options.
Q: How many mating cycles will the MPO connector support?
A: Typical durability is ≥500 cycles with ≤0.2 dB change; full batch test results are included with each shipment.
Quality Qulifications and Compliance
To get the detailed certification, please go to the Compliance.
Please Note: Our products comply with all internationally recognized and industry-standard specifications. For customized or special requirement products, we carry out testing and standards in accordance with the conformity criteria specified in the contract.
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