User`s manual

Universal PCI Board Pin Assignments
5-11
CP-118U-I
This board supports RS-232, RS-422, and RS-485 (both 2 and 4-wire).
Model Board Connector Supported Accessories Serial Connectors
CP-118U-I DB78 (female)
CBL-M78M9x8-100 8×DB9 (male)
CBL-M78M25x8-100 8×DB25 (male)
DB78 (Female): RS-232
Pin Signal Pin Signal Pin Signal
1 GND7 27 DTR5 53 CTS2
2 TxD7 28 RTS4 54 DSR2
3 --- 29 DTR4 55 CTS1
4 GND6 30 --- 56 DSR1
5 TxD6 31 RTS3 57 ---
6 GND5 32 DTR3 58 CTS0
7 TxD5 33 RTS2 59 DSR0
8 --- 34 DTR2 60 DCD7
9 GND4 35 --- 61 RxD7
10 TxD4 36 RTS1 62 DCD6
11 GND3 37 DTR1 63 RxD6
12 TxD3 38 RTS0 64 ---
13 --- 39 DTR0 65 DCD5
14 GND2 40 CTS7 66 RxD5
15 TxD2 41 DSR7 67 DCD4
16 GND1 42 --- 68 RxD4
17
TxD1
43
CTS6
69
---
18 --- 44 DSR6 70 DCD3
19 GND0 45 CTS5 71 RxD3
20 TxD0 46 DSR5 72 DCD2
21 RTS7 47 --- 73 RxD2
22 DTR7 48 CTS4 74 ---
23 RTS6 49 DSR4 75 DCD1
24 DTR6 50 CTS3 76 RxD1
25 --- 51 DSR3 77 DCD0
26 RTS5 52 --- 78 RxD0