User manual

VB7009
VB7009VB7009
VB7009 User Manual
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39
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 33 for the location of the jumper.
The voltage can be either +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
Figure Figure
Figure 33
3333
33: Voltage select jumpers for COM
: Voltage select jumpers for COM: Voltage select jumpers for COM
: Voltage select jumpers for COM5
55
5 and COM
and COM and COM
and COM6
66
6
COM
COMCOM
COM6
66
6 Setting
Setting Setting
Setting Pin 1
Pin 1Pin 1
Pin 1 Pin 3
Pin 3Pin 3
Pin 3 Pin 5
Pin 5Pin 5
Pin 5
+5V (default) On On Off
+12V Off On On
COM
COMCOM
COM5
55
5 Setting
Setting Setting
Setting Pin 2
Pin 2Pin 2
Pin 2 Pin 4
Pin 4Pin 4
Pin 4 Pin 6
Pin 6Pin 6
Pin 6
+5V (default) On On Off
+12V Off On On
Tabl
TablTabl
Table
e e
e 29
2929
29: Jumper settings for COM5 and COM6
: Jumper settings for COM5 and COM6: Jumper settings for COM5 and COM6
: Jumper settings for COM5 and COM6
Note:
Note:Note:
Note:
If the mainboard is not equipped with COM5 and COM6, then the J14 jumper will not be on the
mainboard either.