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Chapter 3
Hardware
42
Reference Manual
ReadyBoard 700
Pin #
Pin #
DB9
Signal
Description
B16
8
CTS4*
RX4+
Clear To Send 4 – Indicates external serial communications device is
ready to receive data. Used as hardware handshake with RTS4 for low
level flow control.
RX4+ – If in RS485 or RS422 mode, this pin is Receive Data 4 +.
B17
4
DTR4*
Data Terminal Ready 4 – Indicator Serial port 4 is powered, initialized,
and ready. Used as hardware handshake with DSR4 for overall
readiness to communicate.
B18
9
NC
Not connected
B19
5
GND
Ground
B20
NC
NC
Not connected
Notes:
The shaded area denotes power or ground. RS232 signals are listed first followed by
RS485/RS422. The signals marked with * = Negative true logic.
Содержание ReadyBoard 700
Страница 1: ...ReadyBoard 700 Single Board Computer Reference Manual P N 5001722A Revision C ...
Страница 6: ...Contents vi Reference Manual ReadyBoard 700 ...
Страница 10: ...Chapter 1 About This Manual 4 Reference Manual ReadyBoard 700 ...
Страница 60: ...Chapter 3 Hardware 54 Reference Manual ReadyBoard 700 ...
Страница 78: ...Chapter 4 BIOS Setup 72 Reference Manual ReadyBoard 700 ...
Страница 80: ...Appendix A Technical Support 74 Reference Manual ReadyBoard 700 ...
Страница 88: ...Index 82 Reference Manual ReadyBoard 700 ...
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