Gigabyte GA-IMB370TN - Page 22

24) COMC/COMD (Serial Port Headers)
The COM headers can provide one serial port via an optional COM port cable. For purchasing the optional
COM port cable, please contact the local dealer.
1
2
9
10
Pin No. Denition
1 NDCD-
2 NDSR-
3 NSIN
4 NRTS-
5 NSOUT
6 NCTS-
7 NDTR-
8 +5V/+12V
9 GND
10 NC
RS232device:
Pin No. Denition
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
RS422device:
Pin No. Denition
1 D-
2 NC
3 D+
4 NC
5 NC
6 NC
7 NC
8 +5V/+12V
9 GND
10 NC
RS485device:
25) 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
23) COMA/COMB (Serial Port Headers)
The COM headers 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. Denition
1 NDCD-
2 NDSR-
3 NSIN
4 NRTS-
5 NSOUT
6 NCTS-
7 NDTR-
8 12V_5V
9 GND
10 NC
1
2
9
10
1
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