Unisys Aquanta CP Series, Configuration Manual

Page: 67 / 89

System Specifications
A–10 3814 9779–000
Table A–6. Parallel Port Parameters (cont.)
Pin Signal
(SPP,ECP)
Mode
Pin
Direction
Signal
EPP Mode
Pin
Direction
19 GND
20 GND
21 GND
22 GND
23 GND
24 GND
25 GND
Serial Port Interfaces
The SMC FDC37C935 Super I/O Controller also supports the serial ports. Two serial
port interfaces are provided, each with a 9-pin, D-type, male connector. These are
NS161450/PC16550-Compatible UARTS with a send/receive FIFO buffer of 16 bytes.
The serial port addresses and interrupts are configurable.
Table A–7. Serial Port Parameters
Pin Signal In/Output
1 DCD Input
2 RXD Input
3 TXD Output
4 DTR Output
5 ground
6 DSR Input
7 RTS Output
8 CTS Input
9 RI Input