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Honeywell Enviracom Serial Adapter- W8735A1005 The EnviraCom™ Serial Adapter allows a user to control Honeywell EnviraCom Communicating Thermostats, EnviraZone Systems, and other HVAC products by using any manufacturer's RS-232 compatible home automation control system • Use with T8635L Microelectronic Communicating Programmable Thermostat and W8635A or W8635B Equipment Interface Module. • Can be used with W8735B Telephone Access Module. • Allows easy integration to host controllers, gateways and computers. • Uses standard DB-9 connector. • Powered through EnviraCom bus; no external power source required. • Uses true RS-232 signals; universally compatible. SPECIFICATIONS: Description - Serial Adapter Application - The W8735A Enviracom Serial Adapter provides local access to an Enviracom HVAC system through a host computer, gateway, or controller. The host provides the application to control the W8735A and the HVAC equipment. Terminal Designations - 1,2,3-Enviracom, RS232- Serial Port Dimensions (in.) 4 -.2 in. high x 1.7 in wide x .87 in. deep Required Accessory - T8635L Microelectronic Communicating Programmable Thermostat Required Accessory W8635A or W8635B Equipment Interface Module Optional Accessory C7089B Outdoor Temperature Sensor Optional Accessory W8835A Envirazone Panel Optional Accessory W8703A Damper Interface Module LEDs Enviracom Bus Activity LED Electrical Ratings 20 to 30 Vac Frequency 60 Hz Frequency 50 Hz Ambient Temperature Range (F) 40 F to 125 F Ambient Temperature Range (C) 4.4 C to 51.6 C Used With VICARWORKS (TM), CRESTRON (TM), CORACCESS (TM), PREMISE SYSTEMS (TM), Personal Computer or other user interfaces.