AAEON AEC-6643 - Manual (Page 23)

E m b e d d e d C o n t r o l l e r A E C - 6 6 4 3
Chapter 2 Hardware Installation 2 - 9
2.6 AT/ATX Mode Selection (ATMODE)
ATOMODE Function
Close 1-2 AT
Close 2-3 ATX Mode (Default)
2.7 Clear COMS (CLRTC)
CLRTC Function
Close 1-2 Protected (Default)
Close 2-3 Clear
2.8 COM2 External Power Selection (DIGITALREFENCE)
DIGITALREFENCE Function
Close 15-16 +12V
Close 17-18 RI# (Default)
Close 19-20 +5V
2.9 Watchdog Timer Function Switch (WDT)
WDT Function
Close 1-2 Disable (Default)
Close 2-3 Enable
2.10 COM3/COM4/COM5 RS-232 Serial Port PIN HEADER
(COM3/COM4/COM5)
Pin S i g n a l P i n S i g n a l
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS