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A patch cord, patch cable, or patch lead is an optical cable that terminates with connectors on both ends and is designed to connect active network equipment to ODF. The patch cord can be terminated with any type of connector, designed for both single-mode and multi-mode applications. Patch cords are made from single-fiber or dual-fiber optical cable, known as “simplex” or “duplex” type. The length of the optical cable in the patch cord can range from 0.5 to 100 meters. All optical patch cords are manufactured in compliance with IEC and TELCORDIA standards regarding bend radius, fiber end position in the ferrule, direct and return losses, ferrule apex offset, and resistance to mechanical and climatic impacts.
Optical patch cords are made from standard J-V(ZN)Y or Breakout J-V(ZN)H optical cable with an outer PVC or non-flammable LSZH sheath with a diameter of 1.6 to 2.8 mm.
The patch cord can be terminated with any type of optical connector, both for single-mode (Singlemode) and multi-mode (Multimode) applications. Traditionally, optical patch cords are used for switching optical flows within distribution panels (ODF), as well as for connecting active network equipment to distribution panels, optical boxes (ODF).
A pigtail is a segment of optical connection cord that terminates with an optical connector on one end. Traditionally, pigtails are made in short lengths with buffered fiber in a 900 µm sheath. A pigtail can be terminated with any type of optical connector, both for single-mode (Singlemode) and multi-mode (Multimode) applications. The main purpose of optical pigtails is to terminate the optical cable by welding or mechanical connection in optical distribution panels (ODF) or cable splices.
Patch cords are an important component of fiber optic networks. It is a segment of fiber optic cable of a specific length that terminates on both ends with specified types of connectors. They are designed for switching or connecting equipment with trunk cables or equipment with each other using optical cross-connects. Increasingly, there is a need to connect equipment at a distance of about 200-500 meters. In this case, using copper is impractical due to signal distortion at distances over 100 meters, and the trunk optical cable will require processing, welding, and even basic distribution panels.
To solve these problems, the company “Optokon” develops specialized optical patch cords.
If the optical patch cord will be laid in places with a large crowd of people (concerts, festivals, etc.), and it will also be repeatedly deployed and rolled up, it is recommended to use reinforced patch cords of the AFOP series, manufactured by the Czech company “Optokon a.s.”.
Multifiber patch cords of the MFP series can have from 12 to 144 optical fibers, each of which can be terminated with any type of connector, so it is advisable to use them in sites where free space is limited, making it inconvenient to install a large number of standard patch cords.
There is also often a need to replace multimode transmission systems that operate on OM1 and OM2 standard fibers with more productive single-mode systems. Since replacing the entire cable would be quite costly, for such cases, the company “Optokon a.s.” has developed MCP series patch cords for transitioning from one type of fiber to another with minimal attenuation.
The company “Optokon Ukraine” offers a wide range of special optical patch cords to solve various tasks in fiber optic networks.
Patch cords with ribbon fiber include connection cords with MT-RJ and MPO (MTP) connectors.
MT-RJ type connectors combine advanced precision molding technology and multi-core optical fibers. MT-RJ type connectors double the capacity of the existing network infrastructure. They are half the size of SC-type duplex connectors.
The development of this type of patch cord is carried out by leading electronics companies, including Hewlett Packard, AMP, Siecor, Fujikura US Conec.
The MPO type connector is specifically designed for multi-core ribbon fiber optic cable. The removable housing allows for quick replacement of the contact pin terminals, cleaning of the clamping device, or re-polishing of the connector.
