Specification :

Fiber pigtail and Fiber patch cord
If the fiber connectors are attached to only one end of a cable, it is known as a fiber pigtail, if the fiber connectors are attached to both ends. it is known as a fiber jumper or fiber patch cord.

Singlemode and Multimode
Single mode fiber patch cord uses 9/ 125um glass fiber, Multimode fiber patch cord uses 50/ 125um or 62.5/ 125um glass fiber. Single mode and multimode refer to the fiber cable types. Single mode Fiber Patch Cord is used in long distance data transmission. Multimode Fiber Patch Cord is use in short distance transmission. Typical single mode Fiber Patch Cord used yellow fiber cable; Typically multi mode Fiber Patch Cord used orange fiber cable.

Cable material and cable diameter
There are various kinds of Fiber cable material for different environment and applications, PVC, Riser, Plenum, OFNR, OFNP, LSZH, 10 Gig Aqua. Typical Fiber cable diameter can be 0.25mm, 0.9mm, 2.0mm, 3.0mm.

Simplex and Duplex
Simplex means this Fiber Patch Cord is with one cord, at each end is only one fiber connector. Duplex can be regarded as two Fiber Patch Cord put side by side. Duplex Fiber Patch Cord usually with Clip on the fiber Connector to combine it.