Gigabyte GA-SBC7100 User Manual - Page 15

GPIO GPIO Header, COMA/COMB Serial Port Headers

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14) GPIO (GPIO Header) Use this header to connect a GPIO device. 2 10 19 Pin No. 1 2 3 4 5 Definition GPIO GPIO GPIO GPIO GP_OUT Pin No. 6 7 8 9 10 Definition GPIO GPIO GPIO GPIO GND eDP 15) COMA/COMB (Serial Port Headers) Each COM header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. 1 9 Pin No. Definition 1 NDCD- Pin No. Definition 6 NCTS- 2 NDSR- 7 NDTR- 2 10 3 NSIN 4 NRTS- 8 12V_5V 9 GND 5 NSOUT 10 NC eDP 16) COMC/COMD (Serial Port Headers) Each COM header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. The two headers support RS232, RS422, and RS485 devices. For RS232 Devices: For RS422 Devices: For RS485 Devices: Pin No. Definition Pin No. Definition Pin No. Definition 1 9 1 NDCD2 NDSR- 1 TX(B) 2 NC 1 D2 NC 2 10 3 NSIN 4 NRTS- 3 TX(A) 4 NC 3 D+ 4 NC 5 NSOUT 5 RX(A) 5 NC 6 NCTS7 NDTR8 +5V/+12V 9 GND 10 NC 6 NC 7 RX(B) 8 +5V/+12V 9 GND 10 NC 6 eDP7 8 9 10 NC NC +5V/+12V GND NC 17) COMA_PW/COMB_PW/COMC_PW/COMD_PW (Serial Port Header Power Select Jumpers) The power select jumpers are used to select serial port power. 1 1-2 Close: Set to 12V. 1 2-3 Close: Set to 5V. (Default) - 15 -

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14) GPIO (GPIO Header)
Use this header to connect a GPIO device.
1
9
Pin No.
Definition
Pin No.
Definition
1
GPIO
6
GPIO
2
GPIO
7
GPIO
3
GPIO
8
GPIO
4
GPIO
9
GPIO
5
GP_OUT
10
GND
2
10
15) COMA/COMB (Serial Port Headers)
Each COM header can provide one serial port via an optional COM port cable. For purchasing the optional
COM port cable, please contact the local dealer.
Pin No.
Definition
Pin No.
Definition
1
NDCD-
6
NCTS-
2
NDSR-
7
NDTR-
3
NSIN
8
12V_5V
4
NRTS-
9
GND
5
NSOUT
10
NC
10
9
2
1
17) COMA_PW/COMB_PW/COMC_PW/COMD_PW (Serial Port Header Power Select
Jumpers)
The power select jumpers are used to select serial port power.
1-2 Close: Set to 12V.
2-3 Close: Set to 5V. (Default)
1
1
16) COMC/COMD (Serial Port Headers)
Each COM header can provide one serial port via an optional COM port cable. For purchasing the optional
COM port cable, please contact the local dealer. The two headers support RS232, RS422, and RS485
devices.
Pin No.
Definition
1
NDCD-
2
NDSR-
3
NSIN
4
NRTS-
5
NSOUT
6
NCTS-
7
NDTR-
8
+5V/+12V
9
GND
10
NC
For RS232 Devices:
Pin No.
Definition
1
TX(B)
2
NC
3
TX(A)
4
NC
5
RX(A)
6
NC
7
RX(B)
8
+5V/+12V
9
GND
10
NC
For RS422 Devices:
Pin No.
Definition
1
D-
2
NC
3
D+
4
NC
5
NC
6
NC
7
NC
8
+5V/+12V
9
GND
10
NC
For RS485 Devices:
10
9
2
1