B&B Electronics 232PCI1B, 232PCI2A, 232PCI2B manual RS-232 Pinouts Name Description Direction

Table 1: RS-232 Pinouts

Name	Description	Direction	DB9M
			Pin
DCD	Data Carrier Detect	Input	1
RD	Receive Data	Input	2
TD	Transmit Data	Output	3
DTR	Data Terminal Ready	Output	4
GND	Signal Ground	-----	5
DSR	Data Set Ready	Input	6
RTS	Request to Send	Output	7
CTS	Clear to Send	Input	8
RI	Ring Indicator	Input	9

Pinouts

The male DB-9 male connectors on the 232PCIxx cards are configured as standard DTE RS-232 serial ports. Table 1 lists signal names and pin numbers.

232PCIXX4502 Manual Chapter 2 7

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