Fiber optic patch cable, one of the optical network components also known as fiber jumper or fiber optic patch cord, is a cable assembly used to connect optical devices and equipment. It consists of a fiber optic cable with connectors on both ends, allowing for quick and easy connection between devices. Patch cables are available in various lengths and connector types to accommodate different requirements in fiber optic networks. They enable the efficient transmission of data and signals over long distances in high-speed and high-bandwidth applications.
Core Diameter: Single-mode patch cables have a smaller core diameter, typically around 9 micrometers, while multimode patch cables have a larger core diameter, usually 50 or 62.5 micrometers. The smaller core in single-mode cables allows only one light path (mode) to travel, while the larger core in multimode cables allows multiple light paths.
Transmission Distance: Due to the smaller core and single light path, single-mode patch cables can transmit data over longer distances without losing signal quality. In contrast, multimode patch cables are better suited for shorter distances because signal quality can degrade over longer distances due to multiple light paths causing dispersion.
Data Rate: Single-mode patch cables can support higher data rates due to the lack of signal dispersion. Multimode cables, while capable of high data rates over short distances, can experience reduced data rates over longer distances.
Cost: Single-mode patch cables and related equipment are generally more expensive due to the precision required in aligning the smaller cores. Multimode patch cables and equipment are typically less expensive and easier to work with, making them a popular choice for shorter distance applications, such as within a data center.
Applications: Single-mode patch cables are commonly used in long-distance applications, such as telecommunications and cable TV networks. Multimode patch cables are typically used in short-distance applications, such as local area networks (LANs) and data centers.
The common types of fiber optic patch cables include single-mode and multimode cables, with various connector options such as LC, SC, ST, and MTP/MPO.
The selection depends on factors like the transmission distance, network speed, and connector compatibility. Consider the fiber type, connectors, and required cable length for your specific application.
Yes, it is common to have different connectors on each end of a patch cable to accommodate equipment or network interface requirements.
Yes, fiber optic patch cables are available in various standard lengths, and it is also possible to get them customized to meet specific requirements.
Not all patch cables are suitable for outdoor or harsh environment use. Outdoor-rated or armored patch cables are recommended for such scenarios to withstand environmental factors.
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