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Product Profile
16F AR Coated SN MT Testing Cable: Designed for high-density optical testing, this 16-fiber SN-MT® assembly features a precisely recessed, AR-coated end face for controlled non-contact mating. By reducing back reflection and minimizing end-face wear during repeated connections, it helps maintain stable insertion loss and repeatable test results. The compact 16F interface supports efficient multi-lane testing and dense port layouts, making it well suited for transceiver validation, production testing and high-speed AI and data center optical interconnect applications.
Why Choose an AR-Coated SN-MT Testing Cable?
An AR-Coated SN-MT Testing Cable is designed as a stable reference interface for repeated optical testing, rather than as a standard data transmission patch cable.
| Comparison | Standard SN-MT Patch Cable | 16F AR-Coated SN-MT Testing Cable |
| Test Interface | Standard connector end face with normal physical fiber contact during mating. | Recessed, AR-coated fiber end face with a controlled non-contact optical interface. |
| Primary Role | General optical interconnection, patching, and structured cabling. | Reference-link testing, DUT validation, and high-frequency production testing. |
| Repeated Mating | The connector end face is subject to normal mechanical contact and wear during repeated connections. | Helps reduce direct fiber-core contact at the test interface, protecting the DUT connector during repeated testing. |
| Measurement Stability | Not specifically designed to reduce reflection-related variation in a test link. | AR coating helps reduce Fresnel reflection and reflection-related variation in insertion-loss and return-loss measurements. |
| Typical Application | Data center patching, high-density interconnects, and regular optical transmission links. | 400G, 800G, and 1.6T module validation, CPO-related SN-MT interface testing, and on-board or backplane optical-link evaluation. |
Choose the AR-Coated SN-MT Testing Cable when: your test path requires a reusable, stable reference interface that helps protect the DUT and improve test repeatability during frequent mating cycles.
Product Specifications
| Physical Properties | Parameter | ||
| Fiber Count | 16F | ||
| Fiber Mode | SM (OS2) / MM (OM3 / OM4 / OM5) | ||
| Fiber Brand | Corning / YOFC | ||
| Connector | SN-MT | ||
| Coating Configuration | Double-sided coated / Single-sided coated | ||
| Gender | Male (M) / Female (F) | ||
| End-Face Polish | APC / UPC | ||
| Polarity | Type A / B / C | ||
| Cable Jacket | PVC / LSZH / OFNP | ||
| Jacket Color | Yellow (SM) / Aqua (OM3) / Magenta (OM4) / Lime Green (OM5) / Customized | ||
| Cable Diameter | 2.0 mm | ||
| Boot Color | Black / Red / Gray / Others | ||
| Fiber Core Tip | Customized | ||
| Optical Properties | Parameter | ||
| Insertion Loss (dB) | Typical Measured | Low Loss | Ultra Low Loss |
| Approx. 0.20 dB | ≤0.40 dB | ≤0.35 dB | |
| Return Loss (dB) | UPC / PC ≥50 dB; APC ≥65 dB | ||
| Wavelength (nm) | SM: 1310 / 1550; MM: 850 / 1300 | ||
| Mechanical & Environmental Properties | Parameter | ||
| Tensile Strength (N) | Long Term | Short Term | |
| 70 N | 220 N | ||
| Mating Durability | Insertion Loss Change (ΔIL) | Mating Cycles | |
| ≤0.20 dB | Min. 500 | ||
| Non-Contact Geometry | Air Gap | Core Recess | |
| Approx. 1.2 µm after mating | 0.6-6.0 µm | ||
| Operating Temperature (°C) | -20 to +70 | ||
| Storage Temperature (°C) | -40 to +85 | ||
Test Interface Architecture
Unlike a standard 16F SN-MT jumper, this assembly is designed around the DUT-facing test interface. The AR-coated SN-MT end is positioned where repeated mating and optical measurement take place.
01 · REFERENCE SIDE
Test Equipment Connection
The non-test end connects to the selected instrument port, reference cable, adapter, or laboratory test fixture.
02 · TEST SIDE
AR-Coated SN-MT Interface
The DUT-facing 16F SN-MT connector uses a recessed, AR-coated optical interface for controlled non-contact optical coupling.
03 · DUT SIDE
High-Density Device Interface
The cable mates with the designated SN-MT device interface, including optical modules, CPO-oriented test fixtures, and parallel-optics assemblies.
Designed for the Repeated-Mating Position
In a test link, the DUT connection is often mated and disconnected far more frequently than other interfaces. Placing the AR-coated SN-MT end at this location helps create a more controlled measurement interface while reducing direct fiber-core contact at the DUT-facing connection.
Single- or Double-Sided Test Interface
The AR-coated interface can be applied on one or both cable ends according to the link topology, the location of the reference connection, and the interfaces that require frequent test cycles.
Product Features
AR-Coated Non-Contact Test Interface
The recessed, AR-coated fiber end face creates a controlled non-contact optical interface, helping reduce Fresnel reflection and minimize direct fiber-core contact during testing.
16F SN-MT VSFF Test Interface
The compact 16F SN-MT interface uses a precision MT ferrule in an SN-format footprint, providing a high-density reference connection for parallel-optics testing.
Protects the DUT and Stabilizes Testing
Placed between the test equipment and device under test, the cable helps reduce DUT end-face wear, insertion-loss drift, and reflection-related measurement variation during repeated mating.
CPO and On-Board Link Validation
SN-MT is used for dense connectivity at the edge, on the board, and in the backplane of CPO-oriented systems. This testing cable provides a matching reference interface for evaluating those high-density links.
Designed for advanced parallel-optics testing: The 16F AR-Coated SN-MT Testing Cable is suitable for 400G, 800G, and 1.6T module validation, CPO-related interface testing, high-density patch-panel verification, and on-board or backplane optical-link evaluation.
Product Applications
High-Speed Data Center Testing
100% Tested Before Delivery
Our products undergo comprehensive testing before shipment to ensure high-quality delivery to our customers.
IL/RL Test
Polarity Test
End-surface Test
Temperature Test
Certificates
CE
CPR
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ISO
RoHS
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Product Specifications
| Physical Properties | Parameter | ||
| Fiber Count | 16F | ||
| Fiber Mode | SM (OS2) / MM (OM3 / OM4 / OM5) | ||
| Fiber Brand | Corning / YOFC | ||
| Connector | SN-MT | ||
| Coating Configuration | Double-sided coated / Single-sided coated | ||
| Gender | Male (M) / Female (F) | ||
| End-Face Polish | APC / UPC | ||
| Polarity | Type A / B / C | ||
| Cable Jacket | PVC / LSZH / OFNP | ||
| Jacket Color | Yellow (SM) / Aqua (OM3) / Magenta (OM4) / Lime Green (OM5) / Customized | ||
| Cable Diameter | 2.0 mm | ||
| Boot Color | Black / Red / Gray / Others | ||
| Fiber Core Tip | Customized | ||
| Optical Properties | Parameter | ||
| Insertion Loss (dB) | Typical Measured | Low Loss | Ultra Low Loss |
| Approx. 0.20 dB | ≤0.40 dB | ≤0.35 dB | |
| Return Loss (dB) | UPC / PC ≥50 dB; APC ≥65 dB | ||
| Wavelength (nm) | SM: 1310 / 1550; MM: 850 / 1300 | ||
| Mechanical & Environmental Properties | Parameter | ||
| Tensile Strength (N) | Long Term | Short Term | |
| 70 N | 220 N | ||
| Mating Durability | Insertion Loss Change (ΔIL) | Mating Cycles | |
| ≤0.20 dB | Min. 500 | ||
| Non-Contact Geometry | Air Gap | Core Recess | |
| Approx. 1.2 µm after mating | 0.6-6.0 µm | ||
| Operating Temperature (°C) | -20 to +70 | ||
| Storage Temperature (°C) | -40 to +85 | ||
