2.23
Multi I/O Con nec tor
The I/O to the pri mary se rial chan nels, the printer port, and key board are all ter mi nated via the con -
nec tor at J3. An adapter ca ble, part number CBL- 162-1, is avail able from Win Sys tems to adapt to the
con ven tional I/O con nec tors. The pin defi ni tions for J3 are shown here :
991206
OPERATIONS MANUAL LBC-Plus
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WinSystems - "The Embedded Systems Authority"
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COM1 - DCD
COM1 - RXD
COM1 - TXD
COM1 - DTR
COM1 - GND
COM2 - DSR
COM2 - RTS
COM2 - CTS
COM2 - RI
LPT - STROBE
LPT - PD0
LPT - PD1
LPT - PD2
LPT - PD3
LPT - PD4
LPT - PD5
LPT - PD6
LPT - PD7
LPT - ACK
LPT - BUSY
LPT - PE
LPT - SLCT
KEYBD - GND
KEYBD - KDATA
KEYBD - +5V
COM1 - DSR
COM1 - RTS
COM1 - CTS
COM1 - RI
COM2 - DCD
COM2 - RSX
COM2 - TXD
COM2 - DTR
COM2 - GND
LPT - AUTOFD
LPT - ERROR
LPT - INIT
LPT - SLCTIN
LPT - GND
LPT - GND
LPT - GND
LPT - GND
LPT - GND
LPT - GND
LPT - GND
LPT - GND
KEYBD - GND
KEYBD - GND
KEYBD - CLK
KEYBD - +5V
J3