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COM Ports
COM 2: RS232
3
1
L
or
2
4
Power LED
DC_in
HDD LED
LAN 1
LAN 2
Power Button
Reset Button
DP 0
4
10
6
6
SATA 3.0
COM 2
3
1
5
1
DP 1
COM 3
COM 4/5
1
2
1
6
SATA 1
LPC
1
4
5
USB 2.0_4
1
4
1
4
USB 2.0_5
USB 2.0_3
4
COM 1
1
SATA 3.0
USB 2.0_2
1
6
1
4
20
11
USB 2.0_1
10
1
SATA 0
5
DI 1~16
1
4
USB 3.0_2
20
11
Standby Power LED
10
1
3
DI 17~32
1
Speaker
4
2
18
10
9
1
7
1
4
DO 1~16
5.1CH
18
10
9
1
DO 17~32
12
6
1
1
1
4
5
8
Intrusion
Intrusion
S/PDIF
iButton
Door7
Door 1~6
COM 1: RS232/RS422/RS485
COM 3: RS232 (Tx/Rx/GND/ccTalk)
COM 4/5: RS232 (Tx/Rx/±12V/GND)
COM 3
COM 1 and COM 3 can be selected among different communication modes whereas COM 2
can be used in RS232 mode only. COM 3 and COM 4/5 are pin headers and provide signals
that are different from typical RS232 communication.
• Serial Port
The serial port is an asynchronous communication ports that can be used with modems, serial
printers, remote display terminals, and other serial devices. And the ccTalk protocol of COM 3
can be used to connect peripherals used in automatic payment machines for a variety of market
sectors such as transportation, ticketing, gaming and entertainment, and retail.
• BIOS Setting
Configure the COM ports including its communication mode in the Advanced menu ("Super IO
Configuration" submenu) of the BIOS. Refer to Chapter 7 for more information.
Chapter 5 Ports and Connectors
Note: GX-217GI supports only one DIMM slot
1
®
AMD
GX-217GI
GX-224IJ
GX-220IJ
1
DC_out
5V/2A
1
CPU Fan
1
Intrusion
Clear COMS (JP1)
Door 8
BAT 3
BAT 2
MCU Program (J15)
1
1
SRAM
FPGA Program (J12)
1
BAT 4
(J20)
1
1
M.2 2280 (M Key)
BAT 1
4
1
USB 3.0_1
COM 4/5
Chapter 5
COM 1 (RS232/RS422/RS485) / COM 2 (RS232)
1 2 3 4 5
6
7
8 9
RS232
COM 3: RS232
(TX/RX/GND/ccTalk)
Pins
Pin Assignment
1
COM3 RS232-TX
2
COM3 RS232-RX
3
GND
4
+12V power out
5
ccTalk
6
GND
18
1 2 3 4 5
1 2 3 4 5
6 8 9
7
6 8 9
7
RS422
RS485
Full Duplex
COM 4/5: RS232
(TX/RX/±12V/GND)
Pins
Pin Assignment
1
COM4 RS232-TX
2
COM4 RS232-RX
3
+12V power out
4
-12V power out
5
GND
6
COM5 RS232-TX
7
COM5 RS232-RX
8
+12V power out
9
-12V power out
10
GND
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