Abstract: The structured cabling two advantages, combined with the actual building all weak system, with the development and instability only telephone system and computer network systems.
As for the other weak systems, such as automatic fire alarm system, security surveillance systems, broadcast systems,glue stick cable television systems, equipment, with high fixed root, and the general location will not move, with a fixed structure for these systems The equipment is chosen, the possibility and necessity of frequent replacement are low.
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