WinSystems PCM-VDX-2-512, Product Manual

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140808 PRODUCT MANUAL PCM-VDX-2-512 24
LPT [DB25 Female]
The LPT port is a multimode parallel printer port that supports the PS/2 Standard Bidirectional Parallel Port (SPP),
Enhanced Parallel Port (EPP), and Extended Capabilities (ECP) functionality. The output drivers support 8 mA per line.
The printer port can also be used as two additional general-purpose I/O ports if a printer is not required. The first port is
configured as eight input or output only lines. The other port is configured as five input and three output lines.
PS/2 Keyboard [6-Position]
Pin Description
1
KDATA
2
NC
3
GND
4
+5V
5
KCLK
6
NC
This connector supports a PS/2 keyboard interface. The pinout for the cable is listed above.
Pin SPP Signal
1
STROBE
2-9
PD0-PD7
10
ACK
11
BUSY
12
PE
13
SLCT
14 AUTOFD
15 ERROR
16 INIT
17 SLCTIN
18-25 GND