Gigabyte GA-N3160TN User Manual - Page 19

COMC/COMD Serial Port Headers, COMA_PW/COMB_PW/COMC_PW/COMD_PW/COME_PW/COMF_PW Serial Port

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27) 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: 1 9 Pin No. Definition 1 NDCD- Pin No. Definition 1 TX(B) Pin No. Definition 1 D- 2 10 2 NDSR3 NSIN 2 NC 3 TX(A) 2 NC 3 D+ 4 NRTS- 4 NC 4 NC 5 NSOUT 5 RX(A) 5 NC 6 NCTS- 6 NC 6 NC 7 NDTR- 7 RX(B) 7 NC 8 +5V/+12V 8 +5V/+12V 8 +5V/+12V 9 GND 9 GND 9 GND 10 NC 10 NC 10 NC 28) COME/COMF (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. For RS232 Devices: 1 9 Pin No. Definition 1 NDCD- 2 10 2 NDSR3 NSIN 4 NRTS- 5 NSOUT 6 NCTS- 7 NDTR- 8 +5V/+12V 9 GND 10 NC 29) COMA_PW/COMB_PW/COMC_PW/COMD_PW/COME_PW/COMF_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 setting) - 19 -

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27) 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.
10
9
2
1
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:
28) COME/COMF (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.
10
9
2
1
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:
29) COMA_PW/COMB_PW/COMC_PW/COMD_PW/COME_PW/COMF_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 setting)
1
1