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  • Manual... 
  • EncrypTight%X99 Appliance ETEP User Guide
    ETEP User Guide for the ET0010A, ET0100A, ET1000A, ET10000A (Version 2.1.1)
 

Black Box Explains...How fiber is insulated for use in harsh environments.

Fiber optic cable not only gives you immunity to interference and greater signal security, but it’s also constructed to insulate the fiber’s core from the stress associated with use in... more/see it nowharsh environments.

The core is a very delicate channel that’s used to transport data signals from an optical transmitter to an optical receiver. To help reinforce the core, absorb shock, and provide extra protection against cable bends, fiber cable contains a coating of acrylate plastic.

In an environment free from the stress of external forces such as temperature, bends, and splices, fiber optic cable can transmit light pulses with minimal attenuation. And although there will always be some attenuation from external forces and other conditions, there are two methods of cable construction to help isolate the core: loose-tube and tight-buffer construction.

In a loose-tube construction, the fiber core literally floats within a plastic gel-filled sleeve. Surrounded by this protective layer, the core is insulated from temperature extremes, as well as from damaging external forces such as cutting and crushing.

In a tight-core construction, the plastic extrusion method is used to apply a protective coating directly over the fiber coating. This helps the cable withstand even greater crushing forces. But while the tight-buffer design offers greater protection from core breakage, it’s more susceptible to stress from temperature variations. Conversely, while it’s more flexible than loose-tube cable, the tight-buffer design offers less protection from sharp bends or twists. collapse

  • Manual... 
  • Miniature Media Converter Power Tray with AC Power Manual
    Manual for LHC018A-AC-R2 (Version 1)
 

Black Box Explains...DIN rails.

A DIN rail is an industry-standard metal rail, usually installed inside an electrical enclosure, which serves as a mount for small electrical devices specially designed for use with DIN rails.... more/see it nowThese devices snap right onto the rails, sometimes requiring a set screw, and are then wired together.

Many different devices are available for mounting on DIN rails: terminal blocks, interface converters, media converter switches, repeaters, surge protectors, PLCs, fuses, or power supplies, just to name a few.

DIN rails are a space-saving way to accommodate components. And because DIN rail devices are so easy to install, replace, maintain, and inspect, this is an exceptionally convenient system that has become very popular in recent years.

A standard DIN rail is 35-mm wide with raised-lip edges, its dimensions outlined by the Deutsche Institut für Normung, a German standardization body. Rails are generally available in aluminum or steel and may be cut for installation. Depending on the requirements of the mounted components, the rail may need to be grounded. collapse


Product Data Sheets (pdf)...Heavy-Duty Edge Switches

  • Quick Start Guide... 
  • Getting Started Guide
    Getting Started Guide for the ET0010A, ET0100A, and ET1000A.
 
  • Manual... 
  • Value Line Console Server
    (Version 3)
 
  • Firmware... 
  • 20 + 4 Port Gigabit Smart Switch (Eco Fanless) Firmware
    Firmware for the LGB2124A (Version v1.08)
 
  • Manual... 
  • FlexPoint 100BASE-TX to 100BASE-FX Media Converters
    Installation/User (Aug-03)
 

Product Data Sheets (pdf)...10-, 26-, and 48-Port Gigabit Managed Switches

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