JOINT BOX
Optical fiber cable hardwares are key components in power communication and power transmission and distribution systems, used for fixing, connecting and protecting optical fiber cables, ensuring the stability of optical fiber cables in complex environments and the quality of signal transmission.
Optical fiber cable hardwaresmainly include the following categories:
- Suspension sets
Such as suspension clamps, they are used to suspend optical fiber cables on poles and towers, buffering wind vibration and mechanical loads. - Tension sets
Such as tension clamps, they are used at the end or corner of the line to withstand the tension of optical fiber cables. - Connectings
Such as optical fiber splicing boxes, protecting the optical fiber fusion joints and preventing water and dust - Protective hardwares
Such as spiral vibration dampar and anti-bird stings, to reduce the impact of wind vibration and external force damage on optical fiber cables. - Down lead clamps
Fix the direction of the optical fiber cable from the tower to the equipment to prevent loosening.
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Advantages
- High reliability
Strictly adhere to standards (such as GB, GB/T, IEC, ISO) to ensure stable performance under extreme weather conditions (high temperature, ice and snow, typhoon). - Lightweight design
Aluminum alloy material reduces the load on the poles and towers, lowering installation and maintenance costs. - Anti-corrosion and anti-aging
The surface is galvanized, suitable for corrosive environments such as coastal areas and industrial zones. - Convenient installation
Modular design supports tool-free installation and shortens construction time (such as pre-twisted fittings). - Good compatibility
It is compatible with various types of optical fiber cables such as OPGW and ADSS.
JOINT BOX Data Sheet
NOTE:
1. Fiber bending additional attenuation : ≤0.01dB;
2. Fiber bending radius : ≥43mm;
3. Retaining fiber length : ≥2m;
4. Environment temperature : – 40 ℃ ~+65 ℃;
5. IP grade : IP 66;
6. Number of cable entries : 2;
7. All dimensions are in millimeters.
| 10 | Joint Box Cover | Al-alloy | 1 | |
| 9 | “S” Tighten steel | Galv. Steel | 1 | |
| 8 | Front and Back Clips outside the Box (including optical cable filling piece) | Al-alloy | 1 | |
| 7 | Joint Box Body’s Seal Ring | Rubber | 1 | |
| 6 | Joint Box Body | Al-alloy | 1 | |
| 5 | Adapter | Al-alloy | 2 | |
| 4 | Tray Sheet Tighten Tray Support | Galv. Steel | 1 | |
| 3 | Fiber Splicing Tray Cover | Plastic | 1 | |
| 2 | Fiber Splicing Tray | Plastic | 1 | 48 core per tray |
| 1 | Top Lock Ribbon | Stainless Steel | 1 | |
| Item | Description | Material | QTY | RFL |
| General Tolerance | Joint Box for OPGW on Tower | |||||||
| <=30 | ±1.5mm | ANGLE: ± | ||||||
| >30 | ±5% | |||||||
| Weight | ±15% | |||||||
| Drawing | TG CABLE | Mass | Scale | NTS | ||||
| Checked | REV | A | ||||||
| Approved | ||||||||
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Application
- Power system
OPGW: It is used for high-voltage transmission lines and has both grounding and communication functions. The hardware must meet the requirements of electrical insulation and mechanical strength.
ADSS: It should be independently suspended from the transmission tower to avoid electromagnetic interference and be equipped with tension and suspension fittings. - Communication Base Station
Fix the down conductors and terminals of the optical fiber cables to ensure the stable transmission of 5G/ optical fiber network signals. - Railways and urban power grids
Optical fiber cable fixation and protection for electrified railway catenary systems and urban distribution networks. - New energy
The overhead laying of optical fiber cables for photovoltaic power stations and wind farms is resistant to salt spray and UV. - Special environment
For large-scale crossing projects that span rivers and canyons, custom-made high-strength anti-vibration hardware is required.
