Serial port rs232/rs422, Fer to subsection 18.2.2 – Kontron KBox C-101 User Manual
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18. Standard Interfaces – Pin Assignments
KBox C-101 – User’s Guide (Version 2.00)
18.2.2. Serial Port RS232/RS422
This port must be factory installed and configured only.
When you order the KBox C-101 with this extended interface via RS232/422 adapter module, you have to
specify in your ordering:
the needed configuration of this port as RS232 or RS422 and
for RS422 configuration: if the onboard termination resistor (120Ω) should be enabled or
disabled.
18.2.2.1.
Serial Port RS232/RS422 configured as RS232
Pin Signal Name
9-pin D-SUB Plug (male)
1
DCD (Data Carrier Detect)
2 RxD (Receive
Data)
3 TxD (Transmit
Data)
4
DTR (Data Terminal Ready)
5 GND (Signal
Ground)
6
DSR (Data Set Ready)
7
RTS
(Request to Send)
8
CTS
(Clear to Send)
9 RI (Ring
Indicator)
18.2.2.2.
Serial Port RS232/RS422 configured as RS422
Pin Signal Name
9-pin D-SUB Connector (female)
1 NC
2 RxD-
(Receive
Data-)
3 TxD- (Transmit
Data-)
4 NC
5 GND (Signal
Ground)
6 NC
7 TxD+
(Transmit
Data+)
8 RxD (Receive
Data+)
9 NC
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