User`s manual

50 PPC-123 User's Manual
5.1.3 Locating jumpers and switch
Figure 5-1: Locating jumpers on the PPC-123 motherboard
JP5: COM2
RS-232/422/485
setting
JP3: COM2
RS-232/422/485
setting
JP4: COM2
RS-232/422/485
setting
SW3: Panel type
setting
JP6: COM3 / COM4
Pin 9 output type
setting
JP9: COM1 / COM2
Pin 9 output type
setting
JP2: Wake on LAN
(Reserved)
JP1: Internal -12 V
source selection
setting
JP8: CMOS clear
for external RTC
JP7: Watchdog
timer action