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5-8
PROGRAMMING AND INTERFACING
RS232 COMMUNICATION
Figure 5.4: RS-232 Connector (J4)
Please refer to CA-22-36 in the accessory sheet.
RS232 Settings
The Model 1750 comes from the factory preset with the RS232 protocol. These settings are not user
definable. A null modem connection is not required..
Handshake None
Baud rate 9600 BPS
Data Bits 8
Start Bit 1
Stop Bits 2 (Unit will function with only one Stop Bit)
Parity None
Pin 1 = Pin 4 = Pin 6
Pin 2 =1750 transmit