
VB7009
VB7009VB7009
VB7009
User Manual
User ManualUser Manual
User Manual
25
2.2.9. COM Pin Headers
There are COM pin headers on the mainboard in addition to the COM port 1
on the external I/O. Each COM pin header supports the RS-232 standard. The
COM pin headers labeled as “COM2, COM3 and COM4” are available in
VB7009-16 and VB7009-10E SKUs, while the additional “COM5” and “COM6”
pin headers are offered only in VB7009-12XC SKU. All of the COM pin
headers can support +5V or +12V. See page 37 for details on setting the
voltage. The pinout of the COM pin headers are shown below.
Figure
Figure Figure
Figure 21
2121
21: COM pi
: COM pi: COM pi
: COM pin header
n headern header
n header
Pin
Signal Pin
Signal
1 COM_DCD 2 COM_RXD
3 COM_TXD 4 COM_DTR
5 GND 6 COM_DSR
7 COM_RTS 8 COM_CTS
9 COM_RI 10
Key
Table
Table Table
Table 17
1717
17: COM pin header pinout
: COM pin header pinout: COM pin header pinout
: COM pin header pinout
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