Serial and parallel interface ports, The serial interface: com1/ com2, Parallel interface port: prt – Albatron Technology PX845PEV-800 User Manual
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Albatron Anniversary Special Edition PX845PEV-800
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Serial and Parallel Interface Ports
The PX845PEV-800 comes equipped with two Serial ports and one Parallel port. These types
of interface ports will be explained below.
The Serial Interface: COM1/ COM2
The serial interface port is sometimes referred to as an RS-232 port or an asynchronous
communication port. Mice, printers, modems and other peripheral devices can be connected to
a serial port.
Parallel Interface Port: PRT
The parallel port on your system has a 25-pin, DB25 connector and is used to interface with
parallel printers and other devices using a parallel interface.
Pin Assignment Pin Assignment
1
TDP
7
Ground
2
TDN
8
NC
3
RDP
9
ACT LED
4
NC
10
LI LED
5
NC
11
VCC3 SBY
6
RDN
12
Speed LED
Pin Assignment Pin Assignment
1/5
+5 V (fused)
3/7
USBP0+/P1+
2/6
USBP0-/P1-
4/8
Ground
LAN
USB
Print Port
COM1
COM2