Individually buffered fibers
Colored 900 ±50 µm tight buffers protect the fibers and support identification during connector assembly. The PDF specifies color and black-ring identification.
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I-A-V(ZN)H(BN)H · Indoor LSZH · Non-metallic
Tight Buffer Breakout Fiber Optic Cable
Tight buffer breakout fiber optic cable I-A-V(ZN)H(BN)H is a dry, all-dielectric indoor cable with 900 µm tight-buffered fibers, non-metallic reinforcement and an LSZH outer jacket. The datasheet covers 2–24 fibers for riser, horizontal cabling and fiber-to-the-desk routes.
The compact construction supports direct connector assembly. Choose the fiber type and count to match the link, then check the corresponding diameter, weight and tensile load.
2–24 fibersPublished range
900 ±50 µmTight buffer diameter
4.5–8.6 mmOuter cable diameter
Dry designIndoor installation
Tight Buffer Breakout Cable Construction
Non-metallic reinforcement
The construction drawing identifies glass yarn armor; the technical table lists aramid or glass yarn strength members. Confirm the reinforcement in the ordered variant. This model contains no corrugated steel tape armor.
Dry LSZH structure
The published indoor version uses LSZH buffer and outer jackets and contains no gel or metallic element. It suits indoor cable preparation and direct termination where a low-smoke, halogen-free sheath is specified.
Indoor Riser, Horizontal and FTTD Applications
Use this mini breakout cable in shafts, underfloor spaces, indoor backbone risers and horizontal working-area routes. It can form trunk, patch and adapter cables after the required termination work.
The linked datasheet defines an indoor cable. Direct burial and outside-plant use are not standard applications for this model. A PE-jacket drawing option must be separately specified; it does not establish burial suitability.
Tight Buffer Breakout Specifications
Values are taken from the linked UPCOM datasheet, Rev. 00, published 11 April 2018. Tensile loads are shown separately for permanent service and installation.
| Fiber count | Outer diameter | Weight | Permanent load | Installation load |
|---|---|---|---|---|
| 2 | 4.5 mm | 26 kg/km | 400 N | 600 N |
| 4 | 5.5 mm | 31 kg/km | 400 N | 600 N |
| 6 | 6.0 mm | 42 kg/km | 600 N | 1000 N |
| 8 | 6.8 mm | 48 kg/km | 600 N | 1000 N |
| 12 | 7.2 mm | 54 kg/km | 800 N | 1200 N |
| 16 | 8.0 mm | 67 kg/km | 1000 N | 1600 N |
| 24 | 8.6 mm | 85 kg/km | 1200 N | 2000 N |
Shared mechanical values
| Parameter | Published value |
|---|---|
| Tight buffer diameter | 900 ±50 µm |
| Buffer / outer jacket | LSZH / LSZH |
| Strength members | Aramid yarn or glass yarn |
| Crush resistance | 1000 N; IEC 60794-1-2 E3 |
| Temperature range | −20 °C to +60 °C; IEC 60794-1-2 F1 |
| Minimum bending radius | 20 × outer cable diameter; IEC 60794-1-2 E11 |
| Maximum published length | 2000 m |
Optical options and attenuation
The PDF's “Bandwidth (nm)” label refers to test wavelengths. Bandwidth is not expressed in nm. G.657A is the designation in this document; request the required subclass when ordering.
| Fiber type | Wavelengths | Maximum attenuation |
|---|---|---|
| OM1, 62.5/125 µm | 850 / 1300 nm | 3.2 / 1.2 dB/km |
| OM2, 50/125 µm | 850 / 1300 nm | 3.0 / 1.0 dB/km |
| OM3, 50/125 µm | 850 / 1300 nm | 2.8 / 0.8 dB/km |
| OM4, 50/125 µm | 850 / 1300 nm | 2.7 / 0.7 dB/km |
| G.652-D, 9/125 µm | 1310 / 1550 nm | 0.34 / 0.25 dB/km |
| G.657A, 9/125 µm | 1310 / 1550 nm | 0.34 / 0.22 dB/km |
Specify the Cable Before Installation
- Match the link: state single-mode or multimode type, fiber count, distance and connector requirement.
- Check the pathway: use the diameter for the selected count when calculating pathway space and the 20 × diameter bending radius.
- Control pulling tension: follow the installation load for the selected construction and support the cable in permanent risers.
- Define the fire requirement: LSZH describes the sheath; it does not by itself establish a CPR Euroclass. Request the relevant evidence for your ordered cable.
- Complete the RFQ: total quantity, drum lengths up to the published limit, printing, color identification, termination and delivery details.
Test references in the datasheet
The PDF cites DIN VDE 0888 Part 6, IEC 61034, IEC 60332-1/2, IEC 60754-2 and the IEC 60794 family. Ask for the configuration-specific documentation required by your project.
For handling background, see the FOA fiber optic cable guide.
Tight Buffer Breakout Cable FAQ
Does this model have corrugated steel tape armor?
No. The linked I-A-V(ZN)H(BN)H datasheet describes a non-metallic construction with glass yarn reinforcement. A steel-armored cable is a different construction.
Which fiber counts are listed?
2, 4, 6, 8, 12, 16 and 24 fibers. Diameter, weight and tensile load vary with the selected count.
Can it be terminated directly?
The tight-buffer design is suitable for direct connector assembly. Specify the connector, polish, fiber type and required termination method; connectors are not implied by the bare cable designation.
What is the minimum bend radius for the 12-fiber version?
The listed outer diameter is 7.2 mm. At 20 times the diameter, the published minimum radius is 144 mm.
Is it a direct-burial cable?
The datasheet defines indoor applications. Select a separately specified outdoor or burial construction when the route requires it.