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12F or 24F MTP fanned to individual 0.9 mm simplex legs.
A hydra takes the fanout one step further: instead of duplex legs it breaks out to individual 0.9 mm simplex fibres, one per MPO position. That is what you want when the far end is a splice tray, an OTDR port, a test set or a splitter — anywhere the fibres need to be handled one at a time.
Assemblies are built on US Conec MTP® ferrules and terminated in a controlled environment, then measured fibre by fibre. Interferometry checks the three geometry parameters that decide whether a multi-fibre ferrule mates properly — radius of curvature, apex offset and fibre height — and every end face is inspected and graded to IEC 61300-3-35 before the dust cap goes on.
Fibre count, fibre type, polish, polarity, gender, jacket rating, leg length and overall length are all build options rather than catalogue limits. Use the selector above to configure the exact assembly and the specification table will follow your choices; the measured test report ships with the cable.
| Fiber Count | 12F |
|---|---|
| Connector A | MTP® / MPO 12-fibre, male (pinned) |
| Connector B | 12 × LC/UPC simplex |
| Fiber Type | OS2 single-mode, G.652.D — Corning SMF-28 Ultra |
| Wavelength | 1310 / 1550 nm |
| Insertion Loss | ≤ 0.35 dB |
| Return Loss | ≥ 60 dB |
| Connector Polish | APC — 8° angled, green housing |
| Attenuation | ≤ 0.4 dB/km @1310 nm, ≤ 0.3 dB/km @1550 nm |
| Leg Cable | 0.9 mm Hytrel semi-tight buffered |
|---|---|
| Breakout Leg Length | 1.0 m |
| Leg Identification | Numbered 1–12, colour-coded to TIA-598 |
| Cable Jacket | LSZH round, 3.0 mm |
| Jacket Colour | Yellow |
| Length | 5 m (custom lengths to 500 m) |
| Min. Bend Radius | 10 × cable OD dynamic, 5 × static |
| Crush Resistance | ≥ 1000 N / 100 mm |
| Tensile Strength | Short term 100 N / long term 30 N |
| Operating Temp | -10 °C to +60 °C |
| Storage Temp | -40 °C to +75 °C |
| Compliance | IEC 61754-7, TIA-604-5 (FOCIS-5/10), RoHS |
| Optical Test | 100% — every fibre measured for insertion loss and return loss before shipment |
|---|---|
| Ferrule Geometry | Interferometer-verified: radius of curvature, apex offset and fibre height to IEC 61755-3 |
| End-Face Inspection | Every ferrule inspected and graded to IEC 61300-3-35 |
| Test Report | Per-fibre measured data supplied with the assembly, traceable to the serial number |
| Connector Source | US Conec MTP® ferrules; genuine-brand or FOT MPO to your preference |
| Customisation | Fibre count, type, polish, polarity, gender, jacket, leg length and overall length built to order |
| Lead Time | Stock configurations 3–5 days; custom builds 7–10 days |
| Warranty | 3 years |
| Part Number | Configuration | Fibre count | Availability |
|---|---|---|---|
| FOT-MPO-HYDRA | Standard configuration | 12F | Build to order |
| FOT-MPO-HYDRA-8F | Fibre count: 8F → 8 legs | 8F | Build to order |
| FOT-MPO-HYDRA-16F | Fibre count: 16F → 16 legs | 16F | Build to order |
| FOT-MPO-HYDRA-24F | Fibre count: 24F → 24 legs | 24F | Build to order |
| FOT-MPO-HYDRA-SC | Leg connector: SC simplex | 12F | Build to order |
| FOT-MPO-HYDRA-FC | Leg connector: FC simplex | 12F | Build to order |
| FOT-MPO-HYDRA-BARE | Leg connector: Bare fibre (unterminated) | 12F | Build to order |
Part numbers are indicative. Send us the fibre count, type, polish, polarity, gender, jacket and length and we confirm the exact build code on the quotation.
Insertion loss and return loss recorded for every fibre, not sampled.
Interferometer data on ferrule radius, apex offset and fibre height.
Every end face checked against IEC 61300-3-35 before packing.
Dust-capped, coiled on a reel or in a bag with the test report and pulling sock.
Parallel 40G/100G/400G/800G backbone between spine, leaf and top-of-rack panels.
Rail-optimised accelerator fabrics where one switch port breaks out to several GPUs.
Pre-terminated backbone that installs in hours instead of days, with the loss budget known up front.
Loopbacks, attenuators and inspection for proving ports before the link goes live.
A harness gives you duplex legs for transceivers. A hydra gives you one leg per fibre, which is what a splice tray, an ODF or a test bench needs. If the far end is equipment, order the harness; if the far end is fibre management, order the hydra.
They coil into a splice tray or a cassette without fighting the bend radius, and they are far easier to route individually than 2.0 mm furcation. The trade-off is fragility — 0.9 mm buffered fibre wants to live inside a tray or a panel, not draped across a rack.
Both ends carry a printed label with the part number, fibre count, fibre type, polarity type and the serial number, and breakout legs are individually numbered. Tell us your own labelling convention on the RFQ and we print to it — it costs nothing and it saves an afternoon at installation.
Yes. We supply qualification samples so you can measure the loss and check the fit in your own panels before committing. Per-order test reports are standard, and sample reports can be provided in advance for tender documentation.
Tell us the platform and the quantity. An engineer checks the part against your switch and software version before quoting — if it will not work, we say so.
Goes to our engineers and the quotation desk together. Replies come from sales@topnetsystem.com, usually within one working day.