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2.10 RI and COM Port Voltage Selector
COMA
The RI pin of COMA (CN23) can be set as RI, +5V or +12V mode
by setting the JP26 and JP25
COMA PIN#9 FUNCTION
DESCRIPTION
JP25
JP26
RI
Don’t care
2-3
+5V
1-2
1-2
+12V
2-3
1-2
* +5V or +12V output is fuse protected.
COMB
The RI pin of COMB (CN19) can be set as RI, +5V or +12V mode
by setting the JP28 and JP27
COMB PIN#9 FUNCTION
DESCRIPTION
JP27
JP28
RI
Don’t care
2-3
+5V
1-2
1-2
+12V
2-3
1-2
* +5V or +12V output is fuse protected.
COMC
The RI pin of COMC (CN18) can be set as RI, +5V or +12V mode
by setting the JP14 and JP15
COMC PIN#9 FUNCTION
DESCRIPTION
JP15
JP14
RI
Don’t care
2-3
+5V
1-2
1-2
+12V
2-3
1-2
* +5V or +12V output is fuse protected.
Содержание POS 566
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