User Manual

MiniStation All-in-One Petit Board User’s Manual

Hardware Description

Function: COM3 Serial Port Interface

Pin Description Pin Description

20 Data Carrier Detect

(DCD/+5V/+12V)

54 Data Set Ready (DSR)

21 Receive Data (RXD) 55 Request to Send (RTS)

22 Transmit Data (TXD) 56 Clear to Send (CTS)

23 Data Terminal Ready (DTR) 57 Ring Indicator (RI/+12V/+5V)

24 GND 58 NC

Function: COM2 Serial Port Interface

Pin Description Pin Description

25 Data Carrier Detect

(DCD/+5V/+12V)

59 Data Set Ready (DSR)

26 Receive Data (RXD) 60 Request to Send (RTS)

27 Transmit Data (TXD) 61 Clear to Send (CTS)

28 Data Terminal Ready (DTR) 62 Ring Indicator (RI/+12V/+5V)

29 GND 63 NC

Function: COM1 Serial Port Interface

Pin Description Pin Description

30 Data Carrier Detect

(DCD/+5V/+12V)

64 Data Set Ready (DSR)

31 Receive Data (RXD) 65 Request to Send (RTS)

32 Transmit Data (TXD) 66 Clear to Send (CTS)

33 Data Terminal Ready (DTR) 67 Ring Indicator (RI/+12V/+5V)

34 GND 68 NC