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TIA568 Wiring Standards

How to decide which wiring pattern to use:

1. Does the job specification call out a wiring pattern?
2. Does the customer/end user have a preference for T568A or T568B?
3. Have patch panels already been purchased for the job? If so, they will probably be either T568A or T568B. The jacks should be wired to the same pattern as the panels.
4. Are you adding on to an existing wiring plant? If so, your new wiring should match the existing wiring.

If none of the factors above apply, either T568A or T568B may be used. It is important to ensure that the workstation connectors and the patch panels are wired to the same pattern. T568B is commonly used in commercial installations, while T568A is prevalent in residential installations.

Click Here for a Full-Color Acrobat pdf file ( 697k ) - Right click to save it to disk.


For a more complete selection of products (no online ordering available at that site), visit the original Lashen Electronics website located at http://www.lashen.com.

Now In: AtlasAtlas Sound Masking → Atlas AA-GPN1200 Sound Masking Generator

Atlas AA-GPN1200 Sound Masking Generator


Atlas AA-GPN1200 Sound Masking Generator

Atlas AA-GPN1200 Sound Masking Generator

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The Atlas Sound AA-GPN1200 analog signal generator is ideal to use for many basic Sound Masking systems. The analog topology design eliminates repeating cycles commonly found in other manufactures digital designs. The AA-GPN1200 supports selections between Pink or White noise signals. This generator incorporates a variable balanced output and will deliver a 1V balanced output allowing it to match input circuits of Atlas Sound equalizers and amplifiers. Also a variable Hi-Cut filter when engaged, supports most equalizing requirements for most basic Sound Masking systems. The EQ filter operating range is between 1 kHz and 8 kHz with a slope of 6 dB per octave.

This small but effective generator can be used standalone or rack mounted. If multiple zones are required up to three AA-GPN1200 can be mounted onto a single 1 RU panel. The balanced output connection is via a Phoenix type (Euro block) connector. Rear mounted controls also help prevent unauthorized tampering.

  • Compact
  • Analog Topology
  • Balanced Output
  • Selectable Between Pink & White Noise
  • Defeatable EQ
  • Variable Hi-Cut Filter
  • Variable Gain
  • Stand Alone or Rack Mountable
  • Rear Panel Adjustments
Technical Specifications
MODEL AA-GPN1200
PRE EQ 500mV
POST EQ 1V
Line Output Balanced, Phoenix Type Connector
EQ Control Variable Hi Cut 1kHz - 7kHz, Bypass Switch
Power Supply UL Rated External 24VDC
Panel Finish Black
Chassis Height 1-3/4" (45mm)
Chassis Width 4" (100mm)
Chassis Depth 3.16" (80mm)
Rack Mount Panel Width 19" (485mm)
Rack Mount Panel Height 1.75" (45mm)

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