Chapter:
Connectors
Serial Interface COM 1
page 32
Beckhoff New Automation Technology
CB3055
3.13 Serial Interface COM 1
The serial interface COM1 is made available via a 2x5pin connector (FCI 98424-G52-10LF, mating
connector FCI 90311-010LF). Signals default to RS232 level.
The port address and the interrupt are set via the BIOS setup.
Pinout COM connector:
Description
Name
Pin
Name
Description
data carrier detect
DCD
1
6
DSR
data set ready
receive data
RXD
2
7
RTS
request to send
transmit data
TXD
3
8
CTS
clear to send
data terminal ready
DTR
4
9
RI
ring indicator
ground
GND
5
10
VCC
5 volt supply
When the module is ordered in standard configuration, the 2x5pin connector offers mouse and keyboard
signals.
Alternative pinout of COM-connector:
Description
Name
Pin
Name
Description
keyboard clock
KCLK
1
6
MCLK
mouse clock
keyboard data
KDAT
2
7
MDAT
mouse data
reserved
N/C
3
8
N/C
reserved
reserved
N/C
4
9
N/C
reserved
ground
GND
5
10
3.3V
3.3 volt supply
Содержание CB3055
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