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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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When room aesthetics are critical, the Leviton/JBL AEC65 and AEC80 Ceiling
Speakers may be used in surround-sound installations. The JBL low-diffraction
swivel tweeter makes it easy for the installer to optimize the sound field for a
particular listening room's geometry.
AEC65 6.5 inch (170 mm)
Two-Way In-Ceiling Loudspeaker
| Driver complement: |
1 in (25 mm) Titanium-laminate dome tweeter;
6.5 in (170mm) Titanium laminate woofer |
| Frequency Response (-10dB): |
40 Hz-20 kHz |
| Sensitivity (2.83V/1m): |
88 dB |
| Power Handling: |
80 Watts |
| Impedance: |
Nominal 8 Ohms |
| Physical Dimensions and Weight: |
| Diameter: |
9.18 in (233 mm) |
| Depth: |
4.25 in (108 mm) |
| Mounting Cutout size: |
7.88 in (200.16 mm) Diameter |
| Weight: |
4.5 lb/2.0 kg per speaker |
Price: $111.79
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