BECKHOFF CB3056 User Manual
Page 30
Chapter: Connectors
Serial Ports COM2 through COM4
page 30
Beckhoff New Automation Technology CB3056
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
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