User manual

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