Protech Systems PA-3122, Руководство пользователя

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Chapter 2 System Configuration
PA-3122 SERIES USER
’
S MANUAL
Page: 2-11
2-2-2. COM Port RI & Voltage Selection
JP_COM1, JP_COM2, JP_COM3, JP_COM4: Pin-headers on board
SELECTION JUMPER
SETTING
JUMPER ILLUSTRATION
RI 1-2
5
6
1
2
JP_COM1
5
6
1
2
JP_COM2
5
6
1
2
JP_COM3
5
6
1
2
JP_COM4
+12V 3-4
5
6
1
2
JP_COM1
5
6
1
2
JP_COM2
5
6
1
2
JP_COM3
5
6
1
2
JP_ COM4
+5V 5-6
5
6
1
2
JP_COM1
5
6
1
2
JP_COM2
5
6
1
2
JP_COM3
5
6
1
2
JP_ COM4
Note: Manufacturing Default is RI for JP_COM1 & JP_COM4, and open (no connection) for
JP_COM2 & JP_COM3
Caution:
1. Voltage of external COM 2 & COM3 ports are adjustable on BIOS or with the
corresponding jumpers JP_COM2 & JP_COM3. Either way
cannot be applied
simultaneously in case of system error, component damage or serious boot failure.
For instance, JP_COM2 will be enabled if COM2 is disabled on BIOS.
2. There is no pin connection for JP_COM2 or JP_COM3 by default. Refer to
Voltage Adjust
Configuration in chapter 3 for detailed BIOS setting (BIOS default at Disabled).
3. Voltage of COM1 or COM4 is not adjustable on BIOS.