Saturday, 17 March 2012

Color coding

Color coding

The absorber or anorak on patchcords is generally color-coded to announce the blazon of cilia used. The ache abatement "boot" that protects the cilia from angle at a adapter is color-coded to announce the blazon of connection. Connectors with a artificial carapace (such as SC connectors) about use a color-coded shell. Accepted blush codings for jackets and boots (or adapter shells) are apparent below:

Buffer/jacket blush Meaning

Yellow single-mode optical fiber

Orange multi-mode optical fiber

Aqua 10 gig laser-optimized 50/125 micrometer multi-mode optical fiber

Grey outdated blush cipher for multi-mode optical fiber

Blue Sometimes acclimated to baptize polarization-maintaining optical fiber

Connector Boot Meaning Comment

Blue Physical Contact (PC), 0° mostly acclimated for individual approach fibers; some manufacturers use this for polarization-maintaining optical fiber.

Green Angle Polished (APC), 8° not accessible for multimode fibers

Black Physical Contact (PC), 0°

Grey, Beige Physical Contact (PC), 0° multimode cilia connectors

White Physical Contact (PC), 0°

Red High optical power. Sometimes acclimated to affix alien pump lasers or Raman pumps.

Remark: It is aswell accessible that a baby allotment of a adapter is additionally colour-coded, e.g. the leaver of an E-2000 adapter or a anatomy of an adapter. This added colour coding indicates the actual anchorage for a patchcord, if abounding patchcords are installed at one point.

edit Multi-fiber cables

Individual fibers in a multi-fiber cable are generally acclaimed from one addition by color-coded jackets or buffers on anniversary fiber. The identification arrangement acclimated by Corning Cable Systems is based on EIA/TIA-598, "Optical Cilia Cable Blush Coding." EIA/TIA-598 defines identification schemes for fibers, buffered fibers, cilia units, and groups of cilia units aural alfresco bulb and bounds optical cilia cables. This accepted allows for cilia units to be articular by agency of a printed legend. This adjustment can be acclimated for identification of cilia ribbons and cilia subunits. The fable will accommodate a agnate printed after position amount and/or blush for use in identification.14

No comments:

Post a Comment