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Table 2.10: COM1/2 Serial Ports Pin Assignments
Pin
1
2
3
4
5
6
7
8
9
2.4.9 Remote Switch signal Connector
For the remote switch signal interface of the switch machine, the terminal of the motherboard coastline is
a 2-pin terminal. Table 2.11 for pin assignments.
2.4.10 AT/ATX SW
The KMDA-3602 provides a AT/ATX SW, which users can set Power-on mode by it. When you dial it at
AT, it means power on by AC Power; When you dial it at ATX, it means power on by Power button.
2.4.11 LED
There are 1*Power LED, 1*HDD LED, 3*CPU temperature class LEDS on the front. Users can monitor
the working state of the CPU according to the display of LEDs.
RS-232 Signal
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
Figure 2.18 Remote SW Connector
Table 2.11: Remote Switch Pin Assignments
Pin
Signal
1
PWR_BTN
2
GND
RS-422 Signal
RS-485 Signal
TX-
DATA-
TX+
DATA+
RX+
NC
RX-
NC
GND
GND
NC
NC
NC
NC
NC
NC
NC
NC
19
User's Manual
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