User`s manual

56 PPC-123 User's Manual
5.4.3 COM3 / COM4 pin 9 output type setting (JP6)
Table 5-8: COM3/COM4 pin 9 output type setting (JP6)
*Normal operation +5 V output +12 V output
* default setting
Note: Pins 1, 3 and 5 are for COM3.
Pins 2, 4 and 6 are for COM4.
5.5 Internal -12 V source selection setting
(JP1)
The panel PC provides an internal -12 V source in an extension slot
available for various extension card applications.
Table 5-9: Internal -12 V setting (JP1)
On-board -12 V Support External -12 V Input
*default setting
5
3
1
6
4
2
5
3
1
6
4
2
5
3
1
6
4
2
12
12