Acrosser AMB-N280S1 - Manual (Page 13)

13
[14] Serial Port 6 Working Mode selection Header（two 3*1 Pin 2.54mm）
JP3、JP4
Header Settings Working Mode
JP3 1-2
RS-485
JP4 1-2
JP3 2-3
RS-232（Default）
JP4 2-3
[15] RS485 Header（2*1 Pin 2.54mm）
J485_1
Pin Definition Pin Definition
1 RS485+ 2 RS485-
*Workable in RS-485 mode only
[16] System Fan1 Header (3*1 Pin 2.54 mm)
SYS_FAN1
Pin Definition Pin Definition
1 GND 2 + 12V
3 FANIO1
[17] System Fan2 Header (3*1 Pin 2.54 mm)
SYS_FAN2
Pin Definition Pin Definition
1 GND 2 + 12V
3 FANIO2
[18] USB Header（5*2 Pin 2.54 mm）
F_USB1
Pin Definition Pin Definition
1 + 5 V 2 + 5 V
3 USBP4- 4 USBP5-
5 USBP4+ 6 USBP5-
7 GND 8 GND
10 N/C
* It cannot use USB Hub with power adaptor that connects to USB port.