4 com5 rs232/485 setting (cn4), 5 com3 power setting (jcompwr1) – Avalue ERX-Q77 User Manual

Page 39

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ERX-Q77

User’s Manual

ERX-Q77

User’s Manual

39

2.8.4 COM5 RS232/485 SETTING (CN4)

This jumper allows you to select COM5 to support RS232/485

RS232 (Default)

1

2

RS485

1

2

2.8.5 COM3 POWER SETTING (JCOMPWR1)

This jumper allows you to select COM3 to support Ring/+12V/+5V

Ring (Default)

1

2

+12V

1

2

+5V

1

2



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