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232PCIXX4502 Manual Chapter 2 7
B&BElectronicsMfgCo–707DaytonRd-POBox1040-OttawaIL61350-Ph815-433-5100-Fax815-433-5104
B&BElectronicsLtd–WestlinkComm.Pk.–Oranmore,Galway,Ireland–Ph+35391-792444–Fax+35391-792445
Table 1: RS-232 Pinouts
Pinouts
ThemaleDB-9 male connectors on the 232PCIxx cards are
configured as standard DTE RS-232 serial ports. Table 1 lists signal
names and pin numbers.
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