RS-232
RS-232 to Minijack
RS-232, 25-pin
RS-422
RS-485
Sony 9-pin
USB
IEEE 1394 (FireWire)
ISDN
SCSI
PC Ports, I/O Addresses, IRQs
PC Keyboard Connection
Apple Macintosh keyboard and Apple Macintosh serial connection
PS2 Mouse Connection
Nullmodem Cable
RS485.com
The RS485 Communications Authority
Multimedia Bandwidth Requirements
RS-232 Serial Port, description and history, by www.ctips.com
Macintosh/Mac Plus serial port pinouts, by NCSU Computing Center
RS-422 Serial Connection of the Doremi V1D Video Player to PC or Remote Control System
RS-232 Serial Connection of the Extron AV Matrix to PC or Remote Control System
BSS Soundweb, Serial Connections