User`s manual

26 • Jumpers and Connectors
2.3.2 CF1 Master Slave Selection
CF1 master/slave DB-3710L2 CN7
CF1 Master
2-3 (Default)
CF1 Slave
1-2
Table 16: CF1 Master/Slave Jumper
The CF1 Master/Slave jumper allows the selection of the CF card to be
configured as either a master or slave IDE device if there is more than one
storage device installed in the system.
2.3.3 COM1 Operation Mode Selection
By setting the JP1-JP3 jumpers on the DB-3710L3 daughter board, COM1
can be selected to operate under RS-232, RS-422, or RS-485
communications protocols. The default factory setting is the RS-232 mode.
Type JP1 JP2 JP3
RS-232
(Default)
RS-422
RS-485
Table 17: COM1 Operation Mode
3 2 1
3 2 1
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6