User manual

2U Rack Series User Manual
23
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.
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.
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.
5.2.4 JP6 : Brightness Control(VR/Software)
5.2.5 JP7 : Brightness Control(DC/PWM)
RS232
RS422/485
1-2
2-3
4-5
5-6
7-8
8-9
10-11
11-12
Pin No.
Functions
1 Short 2
RS232
3 Short 4
RS422
5 Short 6
RS485
Pin No.
Functions
1 Short 2
Clear CMOS
2 Short 3
Normal
RS232
1
4
7
10
3
6
9
12
RS422/485
1
4
7
10
3
6
9
12
RS232
1
3
5
2
4
6
RS422
1
3
5
2
4
6
RS485
1
3
5
2
4
6
1
2
3
Clear CMOS
1
2
3
Normal