VIA Technologies EITX-3002, User Manual

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EITX EITX EITX EITX- -- -3002 3002 3002 3002 User Manual User Manual User Manual User Manual
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3.3. COM Voltage Select Jumpers
The COM connectors on the front I/O coastline and the additional COM
connectors (available through the onboard COM pin headers) can be
configured to carry +5V or +12V power; or the Wake-On-Ring / Ring Indicator
(RI) signal by setting the COM voltage select jumpers (JCOMV1 ~ JCOMV4).
3.3.1. JCOMV1 and JCOMV2 Voltage Select Jumpers
The voltage select jumpers “JCOMV1 and JCOMV2” are set to determine the
input carry voltage or Wake-on-ring signal of COM1 and COM2 connectors on
the front I/O coastline. The control signal Ring Indicator (RI) is the default
setting. The jumper settings are shown below.
+12V
1
+5V
1
JCOMV1
1
JCOMV2
1
+12V
1
+5V
1
RI
RI
1
1
Figure Figure Figure Figure 35 35 35 35: : : : JCOMV1 and JCOMV2 v JCOMV1 and JCOMV2 v JCOMV1 and JCOMV2 v JCOMV1 and JCOMV2 voltage select jumpers oltage select jumpers oltage select jumpers oltage select jumpers
JCOMV1 Setting
JCOMV1 Setting JCOMV1 Setting
JCOMV1 Setting Pin 1
Pin 1 Pin 1
Pin 1 Pin 2
Pin 2 Pin 2
Pin 2 Pin 3
Pin 3 Pin 3
Pin 3 JCOMV
JCOMV JCOMV
JCOMV2
2 2
2 Setting
Setting Setting
Setting Pin 1
Pin 1 Pin 1
Pin 1 Pin 2
Pin 2 Pin 2
Pin 2 Pin 3
Pin 3 Pin 3
Pin 3
RI (default) Off Off Off RI (default) Off Off Off
+5V On On Off +5V On On Off
+12V Off On On +12V Off On On
Table Table Table Table 25 25 25 25: : : : JCOMV1 and JCOMV2 voltage select jumper settings JCOMV1 and JCOMV2 voltage select jumper settings JCOMV1 and JCOMV2 voltage select jumper settings JCOMV1 and JCOMV2 voltage select jumper settings