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A5.4 SERIAL DATA INTERFACE CONNECTOR
A DB9 connector on the side of the humidifier provides the interface connections.
pin 2 | Remote shut down input (Serial in). |
pin 3 | Serial Data output. |
pin 5 | Humidifier Earth. |
pin 7 | +5 V (30 mA max) |
Ref. 185040646 MR730/720/700/480 Technical Manual ¯ Revision F ¯ Issued March 2001
