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Help & Info
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.
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Load Coil Detector
Model 88 does what no other affordable, hand-held tester can. It will identify the presence and count the number of load coils on an active or inactive circuit. No complicated screens or test instructions to decipher. Designed to withstand the rigors of daily use, the Model 88 speeds troubleshooting dedicated data circuits. Simply connect the test leads and turn the switch. It's that easy. While gradually turning the control, the display will "kick" to signify each coil detected on the pair. The tester will accurately identify and count up to four load coils on the circuit under test.
Technical Specifications
| Power requirements: |
one 9v battery |
| Battery Life: |
100 hours nominal |
| Construction: |
high impact ABS plastic |
| Dimensions: |
4" x 2.25" x 1.5" |
| Weight: |
5.8 oz. with battery |
Price: $100.34
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