PCI Express Boards Pin Assignments
CP-168EL-A
The CP-168EL-A board has a female SCSI VHDCI68 connector on the board, with various connection options
available to connect from the board to your serial devices. In this chapter, we give pin assignments for the
board side connector, as well as pin assignments for device side connectors for the different connection
options. The CP-168EL-A board supports the RS-232 interface onboard.
Board Side Pin Assignments-Female SCSI VHDCI68
RS-232
Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal
1 RxD6 13 DCD4 25 TxD2 37 RI7 49 RI5 61 TxD1
2 CTS6 14 RTS4 26 GND 38 RTS7 50 CTS5 62 DSR1
3 RI6 15 RI4 27 TxD0 39 DCD7 51 RxD5 63 DTR1
4 RTS6 16 CTS4 28 DSR0 40 DTR7 52 RxD3 64 DCD1
5 DCD6 17 RxD4 29 DTR0 41 DSR7 53 CTS3 65 RTS1
7 DSR6 19 CTS2 31 RTS0 43 GND 55 RTS3 67 CTS1
8 TxD6 20 RI2 32 RI0 44 TxD5 56 DCD3 68 RxD1
9 GND 21 RTS2 33 CTS0 45 DSR5 57 DTR3
10 TxD4 22 DCD2 34 RxD0 46 DTR5 58 DSR3
11 DSR4 23 DTR2 35 RxD7 47 DCD5 59 TxD3
Device Side Pin Assignments
Male DB9 (CBL-M68M9x8-100/OPT8-M9+)
Pin RS-232
1 DCD
2 RxD
3 TxD
5 GND
6 DSR
7 RTS
8 CTS
9 –