Chapter 2: Jumpers and Connectors
COM4 Header Pin-9 Function Select
Connector type: 2x3 6-pin header
Connector location: JP3
2
6
2
6
1
5
1
5
2-4 Short
3-4 Short
Pin
Status
2-4
Short
3-4
Short
4-6
Short
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2
6
1
5
4-6 Short
Definition
RI = RS232
RI = 5V
RI = 12V
COM3 Header Pin-9 Function Select
Connector type: 2x3 6-pin header
Connector location: JP4
2
6
2
1
5
1
2-4 Short
3-4 Short
Pin
Status
2-4
Short
3-4
Short
4-6
Short
11
6
2
6
5
1
5
4-6 Short
Definition
RI = RS232
RI = 5V
RI = 12V
EBC 355A User Manual
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