232/485 Protocol Adapter | 8811
232/485 Protocol Adapter | 8811
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Aprilaire 8811 Protocol Adapter for the 8870 Communicating Thermostat. The 8811 acts as a translator for the communication process to the thermostats by converting RS232 serial port communications from the PC or host computer into long distance RS485 communications used by Aprilaire communicating thermostats.
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