Cable Wire Management

Understanding Rack Unit “U” or “RU”

The hole spacing for standard 19″ racks on the mounting flange is spaced in groups of three holes. This three hole group is defined as a Rack Unit (RU) or sometimes just call a “U”. 1U occupies 1.75″ (44.45 mm) of vertical space. Manufacturers of rackmount equipment make their product lines based upon how many […]

Understanding PON, GPON & EPON

Passive Optical Network (PON) have dominated position in fiber access system. According to the protocols used for upstream and downstream communications, PON is classified as GPON and EPON. PON A PON is a fiber network that only uses optical fiber and passive optical components like PON splitters, OLT, ONUs etc. The typical PON arrangement is a point […]

How To Clean Your Fiber Optic Connectors?

Fiber Optic Connectors play key important role in connecting optical fiber cable with other optical components. As an indispensable connect component in cable installation, the cleanliness of fiber optic connector needs more attention. It is impossible to guarantee that fiber optic connectors are not contaminated before installation, so do not forget to clean the fiber […]

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