PCI Express Boards Pin Assignments
CP-116E-A
Board Side Pin Assignments—Female SCSI VHDCI68
Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal Pin Signal
1 RxD6 13 DCD4 25 TxD2 37 – 49 – 61 TxD1
2 CTS6 14 RTS4 26 GND 38 RTS7 50 CTS5 62 DSR1
3 – 15 – 27 TxD0 39 DCD7 51 RxD5 63 DTR1
4 RTS6 16 CTS4 28 DSR0 40 DTR7 52 RxD3 64 DCD1
6 DTR6 18 RxD2 30 DCD0 42 TxD7 54 – 66 –
7 DSR6 19 CTS2 31 RTS0 43 GND 55 RTS3 67 CTS1
8 TxD6 20 – 32 – 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
PIN RS-232 RS-422/RS-485-4W RS-485-2W
1 DCD TxD-(A) –
2 RxD TxD+(B) –
3 TxD RxD+(B) Data+(B)
4 DTR RxD-(A) Data-(A)
6 DSR – –
7 RTS – –
8 CTS – –
Male DB25 ( OPT8B+ / CBL-M68M25x8-100)
PIN RS-232 RS-422/RS-485-4W RS-485-2W
2 TxD RxD+(B) Data+(B)
4 RTS – –
5 CTS – –
6 DSR – –
8 DCD TxD-(A) –
20 DTR RxD-(A) Data-(A)