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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.

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Model 521A Wire and Valve Locator


Model 521A Wire and Valve Locator

Tempo 521A Wire and Valve Locator

521A Data Sheet (173 KB)

Wire and Valve Locator

Track Buried Irrigation System Wiring and Valves Quickly and Easily

The new and improved 521A Wire and Valve Locator builds on the success of the industry-standard Model 521. The new 521A has added features such as: loudspeaker listening, an extended locating wand for comfort, a slimmer case and a switch to easy to find "D" cell transmitter batteries. Like its predecessor, the 521A combines adjustable transmitter power with a sensitive locating receiver to allow location of buried wires and valves with speed and confidence.

Product Features

  • High power transmitter offers extended long range and allows use on higher resistance wire paths.
  • Adjustable transmit power allows you to select the best signal for maximum performance.
  • Receiver provides adjustable loudspeaker audio, headset audio and visual indications of signal strength.
  • Long-nose receiver wand makes it easy for you to move along quickly to locate even the longest wire path.
  • Valve solenoid 'hotspot' signal makes pinpointing valves easy.
  • Rugged headphones block ambient noise.
  • Includes transmitter, receiver, headset, ground stake, and slim-line carry case.
  • Battery-operated (eight "D" cell batteries and one 9V included).
  • 1-year warranty.

Technical Specifications

Transmitter Frequency: 1748 Hz
Transmitter Power: 750 Vpp, 285 Vrms
Case Dimensions: 851 mm x 210 mm x 95 mm (33.5 in x 8.25 in x 3.75 in)
Battery: Eight D-cells and one 9 Vdc (included)
Battery Life: Transmitter: 50 hours nominal
Receiver: 100 hours nominal
Automatic Shut-off: 90 minutes for receiver; turn-off bumper for transmitter

Price: $640.79 


Quantity:  

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