KBox C-103-CFL-x - User Guide, Rev. 1.0
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13.2.4.
(X 205) Serial Port RS232/RS422
This port must be factory installed and configured only.
When you order the KBox C-103 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 (120
Ω
) should be enabled or
disabled.
13.2.4.1.
Serial Port RS232/RS422 configured as RS232
Table 44: Serial Port RS232/RS422 configured as RS232
Pin
Signal Name
9-pin D-SUB Connector (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)
13.2.4.2.
Serial Port RS232/RS422 configured as RS422
Table 45: Serial Port RS232/RS422 configured as RS422
Pin
Signal Name
9-pin D-SUB Connector (male)
1
Do not connect
2
RxD-
(Receive Data-)
3
TxD+
(Transmit Data+)
4
Do not connect
5
GND
(Signal Ground)
6
Do not connect
7
TxD-
(Transmit Data-)
8
RxD+
(Receive Data+)
9
Do not connect
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