Kontron VMP1 - Manual (Page 52)

VMP1 Configuration
ID 19972, Rev. 0101 Page 4 - 6 ® PEP Modular Computers GmbH
4.2.2 Serial Interface Expansion Connector (CON3)
Table 4-5: RS Expansion Connector Pinout
Pin Number Function Function Pin Number
1 GND RTSB 2
3 RE DE 4
5 RxD TxD 6
7 CTS DTR 8
9 SCL SDA 10
11 +3.3V VCC 12