InSky OPGW
Used by electric utilities on transmission lines with the voltage of 35 kV and higher for creating optical communication lines and protecting the power lines from lightning strikes.
InAir ADSS
Applied for aerial installation on distribution and power transmission lines for building long distance optical communication systems.
Specialty Cable
Used for distributed fiber optic sensing in different applications.
InFire Rated
Used for indoor and outdoor applications where fire resistance is a must. Remain functional under direct flame for at least 180 minutes.
InDuct
Applied in ducts, conduits and trays with no risk of rodent attacks. Can also be lashed.
InArmor
Designed for high reliability in harsh environments with potential mechanical impact. Applied in all ground types, swamps, and harsh rivers.
BlownIn
Designed for air blowing in ducts and microducts for building reliable underground communication networks.
InWater
Designed for underwater application with increased crush and tensile loads.
InAir Figure 8
Used for cost-effective one-step aerial installation mostly in rural areas where the spans between poles are not long .
InControl
Applied in substations for control purposes.
InHome FTTH
Used to create communication lines between the common distribution box and a location inside the building (including vertical runs), between entrances or corridors in office buildings.
InDrop FTTH
Applied for aerial installation on transmission towers, lightning poles, between buildings and structures for communication networks in rural areas.
Direct buried cable used in rural and urban construction when aerial and conduit space is unavailable.
Central strength member: FRP
Water-swellable yarns
Optical fiber
Dry loose tube
Water-swellable tape
Corrugated steel tape armor
Polymer jacket
Ripcord
Water-swellable yarns
InArmor CST is a cost-effective and one of the most popular designs. It is a multi-tube cable with corrugated steel tape as an anti-rodent armoring. Apart from an excellent rodent resistance, this cable is also UV-resistant, so it features multi-purpose outdoor installation: from direct buried to duct and aerial lashed. Even though it has a reduced weight and size, it provides increased tightness due to application of water-swellable tape.
Typically, this cable consists of a stranded core with a central strength member (FRP) and dry loose tubes with optical fibers. The stranded core is fixed by water-swellable yarns. A water-swellable tape is laid over loose tubes. An armor of corrugated steel tape is laid over the water-swellable tape.
InArmor CST’s maximum rated design tension can reach up to 607 lb but it may be produced with even higher MRDT up to 1.124 lb. It has a wide range of operating temperatures from -40°F to +158°F and installation temperatures from -22°F to +158°F (operating temperature range can be increased on request).
Check how this direct buried fiber optic cable can be deployed in FTTH system.
| Maximum rated design tension (MRDT) | 607 lb (2.7 kN) | ||
| Crush | 126 lb/in (0.22 kN/cm) | ||
| Fiber count, up to | 72 (6x12) | 96 (8x12) | 144 (12x12) |
| Cable diameter, in | 0.476 | 0.539 | 0.681 |
| Cable weight, lb/ft | 0.088 | 0.109 | 0.162 |
| Minimum bending radius, in | 7.2 | 8.1 | 10.2 |
| Operating temperature | -40°F ... +158°F |
| Installation temperature | -22°F ... +158°F |
| Transportation and storage temperature | -58°F ... +158°F |
| Minimum bending radius | 15 x cable diameter |
| Design life | 25 years |
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