User`s manual

Universal PCI Board User’s Manual Pin Assignments
10-24
POS-104UL
This board supports RS-232 only.
Model Board Connector Supported Accessories Serial Connectors
POS-104UL DB44 (female) CBL-M44M9x4-50(POS) 4×DB9 (male)
DB44 (female): RS-232
Pin Signal Pin Signal Pin Signal
1 TxD3 16 CTS3 31 DCD3
2 RxD3 17 DTR3 32 ---
3 RTS3 18 DSR3 33 GND
4 5V/12V/RI3 19 --- 34 ---
5 TxD2 20 CTS2 35 DCD2
6 RxD2 21 DTR2 36 ---
7 RTS2 22 DSR2 37 GND
8 5V/12V/RI2 23 --- 38 ---
9 TxD1 24 CTS1 39 DCD1
10 RxD1 25 DTR1 40 ---
11 RTS1 26 DSR1 41 GND
12 5V/12V/RI1 27 --- 42 DCD0
13 TxD0 28 CTS0 43 5V/12V/RI0
14 RxD0 29 DTR0 44 GND
15 RTS0 30 DSR0