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5.2.1 JP1: RS232 / RS422 / RS485 Selector
The jumper can be configured to operate COM1 in RS-232/422/485 mode. And the
setting must be cooperated with JP2 settings.
RS232
RS422/485
1
3
1
3
4
6
4
6
7
9
7
9
10
12 10
RS232
1-2
4-5
7-8
10-11
12
RS422/485
2-3
5-6
8-9
11-12
5.2.2 JP2 : COM1 RS232 / RS422 / RS485 Function Selector
The jumper can be configured to operate COM1 in RS-232/422/485 mode. And the
setting must be cooperated with the JP1 settings. Default 1 short 2.
RS232
RS422
RS485
1
2
1
2
1
2
3
4
3
4
3
4
5
6
5
6
5
6
Pin No.
1 Short 2
3 Short 4
5 Short 6
Functions
RS232
RS422
RS485
5.2.3 JP5: Clear CMOS
User must make sure the power supply to turn off the power supply before setting
Clear CMOS. Users remember to setting jumper back to Normal before turning on
the power supply. Default: 2 short 3.
Clear CMOS
Normal
1
1
2
2
3
3
Pin No.
1 Short 2
2 Short 3
5.2.4 JP6 : Brightness Control(VR/Software)
5.2.5 JP7 : Brightness Control(DC/PWM)
2U Rack Series User Manual
23
Functions
Clear CMOS
Normal