Kontron VSBC-32 - Manual (Page 43)

VSBC-32 Functional Description
ID 21168, Rev. 04 Page 2 - 11 © PEP Modular Computers GmbH
2.4 Board Interfaces
The following section provides a description of the mainboard interface connector
pinouts. For a detailled list and description of the connectors of the serial interface/com-
munication piggybacks and of the frontpanel interface connectors please refer to the “SI
Piggybacks” appendix of this manual as well as to the CXM-SIO3 user’s manual and its
“Serial Communications Piggybacks” appendix respectively.
2.4.1 Serial I/O Interfaces
The mainboard RJ12 RS232 frontpanel connec-
tors BU7 and BU8 of the VSBC-32(E) are pro-
vided with TxD and RxD signals by the controller’s
SMC1 and SMC2 channels and supply RS232
interface software handshake (XON/XOFF) capa-
bility. They are configured as service/debug con-
nectors by default.
The pinouts of the RJ12 connectors are shown in
the following table.
N/C = Not connected.
Table 2-3: Pinouts of the Mainboard Serial Interface Connectors BU7/BU8
Pin Pinouts
1 N/C
2 GND
3 TxD
4 RxD
5 N/C
6 N/C
6
1
SMC1
6
1
SMC2
Figure 2-5: Orientation of
the VSBC-32(E) Mainboard
Serial Interfaces