EITX
EITX
EITX
EITX-
--
-3002
3002
3002
3002 User Manual
User Manual
User Manual
User Manual
45
3.3.2.
JCOMV3 and JCOMV4 Voltage Select Jumpers
The voltage select jumpers “JCOMV3 and JCOMV4” are set to determine the
input carry voltage or Wake-on-ring signal of the COM3 and COM4
connectors through onboard pin headers (JCOM1 and JCOM2). The control
signal Ring Indicator (RI) is the default setting. Refer to figure for the location
of the jumpers.
+12V
1
+5V
1
JCOMV
✡
1
JCOMV
☛
1
+12V
1
+5V
1
☞
☞
1
1
Figure
Figure
Figure
Figure 36
36
36
36: JCOMV3 and JC
: JCOMV3 and JC
: JCOMV3 and JC
: JCOMV3 and JCOMV4 voltage select jumpers
OMV4 voltage select jumpers
OMV4 voltage select jumpers
OMV4 voltage select jumpers
JCOMV3 Setting
JCOMV3 Setting
JCOMV3 Setting
JCOMV3 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
JCOMV4 Setting
JCOMV4 Setting
JCOMV4 Setting
JCOMV4 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 26
26
26
26:
:
:
: JCOMV3 and
JCOMV3 and
JCOMV3 and
JCOMV3 and JCOMV4 voltage select jumper settings
JCOMV4 voltage select jumper settings
JCOMV4 voltage select jumper settings
JCOMV4 voltage select jumper settings
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