14
Caution: If RS422/485 is in use, the RS232 port on the main
board will be disabled.
2.7 ATX/AT Power Selection
This setting is for power supply selection. If you don’t set this
selection correctly, the system may work improperly.
•
JP7 : ATX/AT Power Selection
JP7 DESCRIPTION
1-2 Short
ATX
2-3 Short
AT
2.8
COM2 RI Function
Setting
•
JP5 : COM2 RI Function Setting
Short 2 – 4 pin, normal RS232 RI Function
Short 4 – 6, 1 – 3 pin, RI is 5V output
Short 4 – 6, 3 – 5 pin, RI is 12V output
JP5 DESCRIPTION
2 – 4
Normal RI
Function
1 – 3
4 – 6
RI is 5Voltage
output
3 – 5
4 – 6
RI is 12Voltage
output
2.9
COM3 RI Function
Setting
•
JP4 : COM3 RI Function Setting
Short 2 – 4 pin, normal RS232 RI Function
Short 4 – 6, 1 – 3 pin, RI is 5V output
Short 4 – 6, 3 – 5 pin, RI is 12V output
JP4 DESCRIPTION
