Bose FREESPACE 4400 Руководство по установке - Страница 5
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Microphone installation
The wall plate-microphone assembly can be installed using a single-gang
junction box, or the microphone can be removed from the wall plate and
mounted directly on a flat surface.
Single-gang junction box installation
Surface-mounted mic
Recommended wire length
2
Up to 2000 feet (610 m) max., 24 AWG (0.2 mm
) shielded twisted pair (shield
tied to minus at FreeSpace
4400 system, floated at sense mic).
®
Note: Cable for use in-wall must be CL or CM rated for the application
(plenum use, riser use, general use etc.) per the National Electrical Code
(NEC).
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