Intro interfacing
General info
Cable information
RS-232 specs
RS-422 information
RS-423 information
RS-485 information
The serial UART
I/O and IRQ's
Flow control
Which null modem?
On-line CRC
RS-232 cables
Parallel cables
Modular cables
Yost standard
DECconnect
Unitronics RJ11
Spy cables
Serial printers
VGA monitor cable
PLC cables
Modbus interface
I2C interface
USB interface
Hayes AT commands
VoIP overview
ASCII character set
Software download

I never think of the future – it comes soon enough.
ALBERT EINSTEIN
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