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LAX APM ADA Coordinator Files (LINXS)

California Building Code Excerpt

Section 11B-708 Two-Way Communication Systems

Code excerpt regarding technical requirements for two-way communication systems: audible and visual indicators, handsets, and residential dwelling unit communication systems.

11B-708 Two-way communication systems

11B-708.1 General. Two-way communication systems shall comply with Section 11B-708.

Advisory 11B-708.1 General. Devices that do not require handsets are easier to use by people who have a limited reach.

11B-708.2 Audible and visual indicators. The system shall provide both audible and visual signals.

Advisory 11B-708.2 Audible and visual indicators. A light can be used to indicate visually that assistance is on the way. Signs indicating the meaning of visual signals should be provided.

11B-708.3 Handsets. Handset cords, if provided, shall be 29 inches (737 mm) long minimum.

11B-708.4 Residential dwelling unit communication systems. Communications systems between a residential dwelling unit and a site, building, or floor entrance shall comply with Section 11B-708.4.

11B-708.4.1 Common use or public use system interface. The common use or public use system interface shall include the capability of supporting voice and TTY communication with the residential dwelling unit interface.

11B-708.4.2 Residential dwelling unit interface. The residential dwelling unit system interface shall include a telephone jack capable of supporting voice and TTY communication with the common use or public use system interface.