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Home Legacy Intercom Series Legacy Video Intercoms IS Series Installation Manuals

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    IS-HTR Instructions

    Updated on May 26th, 2026

    This station is discontinued and may no longer be supported. These instructions are provided to assist with operation and maintenance, and to guide upgrade paths.

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    IS Series Installation Manual IS IP Installation Manual IS-RA Relay Board IS-HTR Instructions
    • protocols
    • guidelines

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    IS Series Installation Manual
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