There are many different types of fiber optic cable. Fiber-Mart stocks hundreds of varieties and we can custom build thousands of other types. The sheer number of options can be overwhelming to people that don’t work with fiber optic cable regularly. So here are some common questions.
There are four commonly used OM (multimode) fibers: OM1, OM2, OM3 and OM4. Each type of them has different characteristics. The article will compare these four kinds of fibers from history,the side of core size, bandwidth, data rate, distance, color and optical source in details.
A loopback cable is also known as loopback plug or loopback adapter, which is a plug used to test physical ports to identify network issue. It provides system test engineers a simple but effective way of testing the transmission capability and receiver sensitivity of network equipment.
This article said something about Hidden Cable Cabling, You Must Know the Hidden Rules.