VB7009 User Manual
36
3.2.3.
COM5 and COM6 Voltage Select Jumper
The voltage for COM5 and COM6 is controlled by the jumper labeled as “J14”. Refer to Figure 34 for the
location of the jumper.
The voltage can be 5V or +12V. +5V is the default setting. The even pin numbers correspond to
COM5. The odd pin numbers correspond to COM6. The jumper settings are shown below.
Figure 34: COM5 and COM6 voltage select jumper diagram
COM6 Setting
Pin 1
Pin 3
Pin 5
+5V (default)
Short Short Open
+12V
Open Short Short
COM5 Setting
Pin 2
Pin 4
Pin 6
+5V (default)
Short Short Open
+12V
Open Short Short
Table 30: COM5 and COM6 voltage select jumper settings
Note:
If the mainboard is not equipped with COM5 and COM6, then the J14 jumper will not be on the mainboard
either.
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