The fiber has a very small core diameter of approximately 8 µm. It permits signal transmission at extremely high bandwidth and allows very long transmission distances. Multimode describes a fiber ...

Fiber optic fault locators can interface with two types of cables, single mode and multimode. Single mode is an optical ... The distance range specifies the maximum length of wire the fault locator is ...

For intercity cabling and highest speed, singlemode fiber with a core diameter of less than 10 microns is used. Multimode fiber is very common for short distances and has a core diameter from 50 ...