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VIA VAB-950 User Manual
3.3 COM Connectors
The VIA VAB-950 is equipped with two COM connectors labeled as ‘COM’ and COM1’. The ‘COM’ connector
is used for debugging while the ‘COM1’ connector supports RS-232 mode (TX/RX). The pinouts of the COM
connectors are shown below.
Figure 19: COM connectors diagram
Table 9: COM connectors pinouts
COM
Pin
Signal
1
NC
2
COM_RXD0
3
COM_TXD0
4
NC
5
NC
6
GND
7
NC
8
NC
9
NC
10 NC
COM1
Pin
Signal
1
NC
2
COM_RXD1
3
COM_TXD1
4
NC
5
NC
6
GND
7
NC
8
NC
9
NC
10 NC
