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  • Pdf Drawing... 
  • GigaStation2 Blank Snap Fitting, White, 10-Pack PDF Drawing
    PDF Drawing for FMT359-R2 (Version 1)
 

Product Data Sheets (pdf)...Fiber Optic Multipoint (FOM) Line Drivers

  • Manual... 
  • PoE PSE Switch Manual
    Manual for LPH240A-H and LPH240A-P (Version 1)
 

Black Box Explains...NEMA 12 certification.

The National Electrical Manufacturers’ Association (NEMA) specifies guidelines for cabinet certifications. NEMA 12 cabinets are constructed for indoor use to provide protection against certain contaminants that might come in contact... more/see it nowwith the enclosed equipment. The NEMA 12 designation means a particular cabinet has met the guidelines, which include protection against falling dirt, circulating dust, lint, fibers, and dripping or splashing non-corrosive liquids. Protection against oil and coolant seepage is also a prerequisite for NEMA 12 certification.

Organizations with mission-critical equipment benefit from a NEMA 12 cabinet. Certain environments put equipment at a higher risk than others. For example, equipment in industrial plants is subject to varying degrees of extreme temperature. Even office buildings generate lots of dust and moisture, which is detrimental to equipment. NEMA 12 enclosures help to ensure that your operation suffers from as little downtime as possible. collapse

  • Pdf Drawing... 
  • Yellow GigaBase2 CAT5e Jack with Universal Wiring
    Drawing for the FMT930-R2 and FMT930-R2-25PAK.
 
  • Manual... 
  • RS-232 Surge Protector, DB15 Manual
    Manual for SP507A (Version 1)
 

Black Box Explains...Optical isolation and ground loops.

Optical isolation protects your equipment from dangerous ground loops. A ground loop is a current across a conductor, created by a difference in potential between two grounded points, as in... more/see it nowequipment in two buildings connected by a run of RS-232 or other data line. When two devices are connected and their potentials are different, voltage flows from high to low by traveling through the data cable. If the voltage potential is large enough, your equipment won’t be able to handle the excess voltage and one of your ports will be damaged.

Ground loops can also exist in industrial environments. They can be created when power is supplied to your equipment from different transformers or when someone simply turns equipment on and off. Ground loops can also occur when there is a nearby lightning strike. During an electrical storm, the ground at one location can be charged differently than the other location, causing a heavy current flow through the serial communication lines that damage components.

You can’t test for ground loops. You don’t know you have one until a vital component fails. Only prevention works. For data communication involving copper cable, optical isolation is key.

With optical isolation, electrical data is converted to an optical beam, then back to an electrical pulse. Because there is no electrical connection between the DTE and DCE sides, an optical isolator— unlike a surge suppressor—will not pass large sustained power surges through to your equipment. Since data only passes through the optical isolator, your equipment is protected against ground loops and other power surges. collapse

  • Pdf Drawing... 
  • USOC RJ-11 Jack (Red) PDF Drawing
    PDF Drawing of the FMT245 and FMT245-25PAK (Version 1)
 
  • Pdf Drawing... 
  • GigaStation2 Snap Fitting, F-Connector, Female/Female, Office White PDF Drawing
    PDF Drawing for FMT331-R2 (Version 1)
 
  • Manual... 
  • EFN110-xxxM-LCLC
    Drawing
 
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