3 connection specifications, Serial com port – RMS Technologies ACC-03 RS485 TO RS232 CONVERTER CARD (ROHS) User Manual
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3 Connection Specifications
This card is used with several products (see section 7). Below is a general
diagram of how to connect the RS485-232 converter card to a PC and an RS485
communicating device.
Figure 2:General connections diagram
For specific connection specifications with the IMC/IMCE17, IMC/IMCE23, R256,
or R356, please see the specific product manual.
Serial COM Port
The DB9 side of the RS485-232 Converter card is a female DB9 and pinouts are
standard to all PC serial COM Ports (Pin 2: RxD, Pin 3: TxD, Pin 5: GND):
Figure 3: DB9 pinouts
RS485-232 Converter Card
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3/20/2009