Chapter 2
Parallel
Serial COM
VGA
Parallel Port Function
The standard parallel port (Burgundy) is for interfacing your PC to a
parallel printer. It supports SPP, ECP and EPP modes.
SPP (Standard Parallel Port)
Allows normal speed operation but in one direction only.
ECP (Extended Capabilities Port)
Allows parallel port to operate in bidirectional mode and at a speed
faster than the SPP’s data transfer rate.
EPP (Enhanced Parallel Port)
Allows bidirectional parallel port operation at maximum speed.
Serial Port Function
The serial ports are RS-232C asynchronous communication ports
with 16C550A-compatible UARTs that can be used with modems, se-
rial printers, remote display terminals, and other serial devices. It can
operate at speeds up to 115,200bps. You can configure the port’s speed
in the computer’s Operating System.
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Содержание DN800
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