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DROP CABLE
Communication optical cables are communication lines that take several optical fibers as the main body, and are protected by multiple layers of coating to achieve the transmission of optical signals.
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Advantages
- High bandwidth: Fibers can provide extremely high bandwidth, meeting the requirements for high-speed data transmission. With technological advancements, the transmission rate of a single fiber has reached several tens of Gbps or even higher, capable of easily carrying a large amount of data, voice, and video signals, and meeting the requirements of future communication networks for large-capacity transmission.
- Low attenuation: During the transmission of optical signals, the attenuation of fibers is very low. Especially for single-mode fibers, at specific wavelength windows (such as 1310nm and 1550nm), the attenuation coefficient can be as low as below 0.3dB/km, allowing optical signals to be transmitted over long distances without frequent signal amplification, reducing communication costs and system complexity.
- Resistance to electromagnetic interference: Fibers are made of insulating materials such as glass or plastic and are not affected by external electromagnetic interference. In strong electromagnetic environments (such as substations, radar stations) or places with electromagnetic shielding requirements, they can ensure stable signal transmission without signal distortion or error codes.
- Good confidentiality: Optical signals are transmitted within fibers, making them difficult to be eavesdropped. Compared to copper cables, fiber communication has higher confidentiality in terms of information security, suitable for transmitting sensitive information and important data, such as military communication, financial data transmission, and other fields.
Data Sheet
Cross Section:
| Sketch map | No | Parts | Spec | Remark | |
 |
1 | Fiber | Φ0.25mm±0.05 | Blue | |
| Number：1 | |||||
| 2 | Phosphating steel wire | 1.2mm±0.1 | |||
| 3 | Outer sheath | (2.0×3.0×5.2)±0.2mm | LSZH，Black colour | ||
| (H×w×W) | |||||
| 4 | Phosphating steel wire | 0.45±0.05mm | |||
| Number：2 | |||||
| 5 | |||||
| 6 | |||||
Mechanical and Environmental Characteristics:
| Item | Test standard | Spec | Acceptance Criteria |
| Temperature Range Transportation& Storage | IEC 60794-1 | –20 to +70℃ | Additional Loss≤0.3dB/km |
| Temperature Range Installation | IEC 60794-1 | –20 to +70℃ | no damage |
| Temperature Cycling | IEC 60794-1-F1 | –20 to +70℃ | No fiber break and shaeth damage |
| Cable Bend | IEC 60794-1-E11 | 20 x D | no damage |
| Dynamic Load（short term） | IEC 60794-1 | 600N | Increase Att.reversible fible strain<0.33% |
Optical Characteristics：
| Type of Fible | G.657A1 | ||||
| Mode field diameter | 8.5-9.3 um at 1310nm | ||||
| Attenuation in cable | 0.40dB/km at 1310nm
0.30dB/km at 1550nm |
| Sheath Color | Black | ||||
| Sheath Marking | Print:As Required | ||||
| Drum Length | As Required | ||||
Applications
- Telecommunication networks: It is one of the most widely applied fields for communication optical cables. In long-distance communication trunk lines, it undertakes the communication tasks of connecting various cities, regions and even countries, achieving high-speed transmission of various services such as voice, data and images; In local access networks, the fiber-to-the-home (FTTH) technology directly lays optical fibers to users’ homes, providing users with ultra-high-speed broadband services.
- Data centers: The data volume in data centers is huge and the transmission is frequent, requiring extremely high network bandwidth and transmission speed. Communication optical cables, with their high bandwidth and low latency characteristics, become the preferred transmission medium for internal servers, server-to-storage devices and data center-to-external network connections, ensuring the rapid and stable transmission of massive data.
- Cable television: From the program production center of the TV station to the transmission station, and to various cable TV user terminals, the application of communication optical cables ensures the high-fidelity transmission of signals, achieving the widespread popularization of high-definition television, digital television and other services.
- Smart transportation: In intelligent transportation systems, communication optical cables are used to connect traffic monitoring cameras, toll station equipment, vehicle automatic identification systems, etc., to realize real-time collection and transmission of traffic information, providing accurate data support for traffic management departments, thereby optimizing traffic flow, improving road traffic efficiency and ensuring traffic safety.
