Acrosser AMB-D255T1 - Manual (Page 9)

220010439-G
9
[22] Serial Port 4 Header（5*2 Pin 2.0 mm）
Pin Definition Pin Definition
1 JC4* 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
J_COM4
9 NC/JC4*
[23] Serial Port 4 Control Header（4*1 Pin 2.54mm）
Settings Function
1-2 PIN1、9 Output :5V
2-3 PIN1、9 Output :12V
JC4
3-4 PIN1、9 NC（Default）
[24] System Fan1 Header (3*1 Pin 2.54 mm)
Pin Definition Pin Definition
1 GND 2 + 12V
SYS_FAN1
3 N/C
* Used for CPU Fan
[25] System Fan2 Header (4*1 Pin 2.54 mm)
Pin Definition Pin Definition
1 GND 2 + 12V
SYS_FAN2
3 FAN Speed Detection 4 FAN Speed Control
[26]SATA Power Supply Header (4*1 Pin 2.00mm)
Pin Definition Pin Definition
1 +12V 2 GND
SATA-P1
3 GND 4 +5V