KBox C-103-NGSF - User Guide, Rev. Proof of Concept
www.kontron.com
// 86
Pin
Signal Name
9-pin D-SUB Connector (male)
1
TxD/RxD- (COM1 Data -)
2
TxD/RxD+ (COM1 Data+)
3
4
5
GND
(Signal Ground)
6
TxD/RxD- (COM2 Data -)
7
TxD/RxD+ (COM2 Data+)
8
9
Table25: (X114) Serial Interface COM 1 and COM2, configured as dual RS422
Pin
Signal Name
9-pin D-SUB Connector (male)
1
TxD-
(COM1 Transmit Data-)
2
TxD+
(COM1 Transmit Data+)
3
RxD+
(COM1 Receive Data+)
4
RxD-
(COM1 Receive Data-)
5
GND
(Signal Ground)
6
TxD-
(COM2 Transmit Data-)
7
TxD+
(COM2Transmit Data+)
8
RxD+
(COM2 Receive Data+)
9
RxD-
(COM2 Receive Data-)
If RS485 is needed in Echo mode, the RS422 mode must be selected and
the lines must be connected according below picture.
If dual (RS422/RS485) mode is selected the second serial Port
connector X205 is not usable.
Figure 48: RS485 Echo mode configuration
