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© National Instruments Corporation 21 cFP-2200/2210/2220
COM 1
COM 1 is an RS-232 DTE serial port with a standard DB-9 connector.
The Serial VIs access COM 1 as port 0. The following figure shows the
locations of the DB-9 connector pins and Table 1 lists the signals on
the pins.
Figure 25. Controller Serial Port
COM 2 (cFP-2210 and cFP-2220 Only)
COM 2 is an RS-232 DTE serial port with a 10-position modular jack. The
Serial VIs access COM 2 as port 1. Refer to Figure 26 and Table 2 for pin
locations and signal descriptions.
COM 3 (cFP-2220 Only)
COM 3 is an RS-232 DTE serial port with a 10-position modular jack. The
Serial VIs access COM 3 as port 2. Refer to Figure 26 and Table 2 for pin
locations and signal descriptions.
Table 1. DB-9 Pin Descriptions
Pin Signal
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Pin 1
Pin 5
Pin 6
Pin 9