Table of Contents
Advertisement
JP4 : 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 2.5.2 settings. Default 1 short 2.
RS232
RS422
1
2
1
3
4
3
5
6
5
2.5.2. JP5: 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 JP4 settings.
RS232
1
3
1
4
6
4
7
9
7
10
12
10
2.5.3. JP2: CF Card Priority
JP2 can be configured to operate CF Card Priority in Master/Slave mode.
Master
Slave
1
1
2
2
3
3
2.5.4. CON5: LCD Panel Voltage Select
CON5 can be configured to operate in 3.3Volts / 5Volts / 12Volts mode.
3.3Volts
5Volts
1
2
1
3
4
3
5
6
5
IA71 Motherboard User Manual V1.0
RS485
2
1
2
4
3
4
6
5
6
RS422/485
3
6
9
12
12Volts
2
1
2
4
3
4
6
5
6
12
Pin No.
1 Short 2
3 Short 4
5 Short 6
RS232
1-2
4-5
7-8
10-11
Pin No.
Functions
1 Short 2
2 Short 3
Pin No.
1 Short 2
3.3Volts Selected
3 Short 4
5 Short 6
12Volts Selected
Functions
RS232
RS422
RS485
RS422/485
2-3
5-6
8-9
11-12
Master
Slave
Functions
5Volts Selected
Advertisement
Table of Contents
