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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: Test Equipment and ToolsCable & Wire TestingTelecommunications Test Equipment → Tempo PE830 Tele-Mate™ Pro Telephone Test Set

PE830 Tele-Mate Pro Telephone Test


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PE830 Tele-Mate Pro Telephone Test

Tempo PE830 Tele-Mate™ Pro Telephone Test Set

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Tele-Mate Pro Telephone Test Set

The Tele-Mate Pro Telephone Test Set will help you deal with the increasing complexity of telecom installation and maintenance. A complete butt-in test set, the PE830 adds useful features like loudspeaker monitor, caller ID, speed dial, callback, intercom and line voltage/current/frequency meter. The Tele-Mate Pro not only works in handset mode, but can be used with the standard headset included and with the amplified loudspeaker line monitor. You can use the premium telco-type test leads and clips or the integral modular jack for line connection.

Features:

  • Complete telephone set with ringer
  • Phone-to-phone intercom
  • Modular or alligator clip connection
  • LCD Display in English, Spanish or French
  • Caller ID with name display
  • Call waiting Caller ID
  • Missed call indication
  • Line voltage and current display
  • High voltage detect and lockout
  • High current detect and lockout
  • Amplified loudspeaker line monitor
  • Headset or handset operation
  • Tone and pulse dialing
  • Large 10-location speed dialing memory
  • Multi-memory redial

Benefits

  • Bellcore and ETSI Caller ID compatible
  • TIA/EIA RS-470-B telephone performance
  • High voltage alert 120 VDC
  • High current alert 125 mA

Technical Specifications

Line Performance: EIA/TIA RS-470-B
Working Temperature: 0° Celsius to +50° Celsius
Storage Temperature: -10° Celsius to +70° Celsius
Relative humidity: up to 90% operating up to 95% storage
Battery Life: 3 months (nominal)

The PE830 automatically checks for high voltages and currents. Re-dial any one of five most recently called numbers. Find the number and flick the Talk switch.


Price: $203.56 


Quantity:  

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