2-27
Pin No. Signal Name Discription
3)
VCC Main control board 5V supply
4)
VCC Main control board 5V supply
5)
GND Ground
6)
GND Ground
7)
VDD Main control board 3.3V supply
8)
VDD Main control board 3.3V supply
9)
GND Ground
10)
FAN_STATE1_IN Fan status signal 1
11)
FAN_STATE2_IN Fan status signal 2
12)
AC_DET Detection signal of AC in-place
13)
RSVD_IN3_IN Backup detection signal
14)
DIMMING_OUT Backlight brightness adjustment signal
15)
PCON Power on/off control signal
16)
GND Ground
17)
SDA IIC data
18)
SCL IIC clock
19)
GND Ground
20)
DM3 USB3 data signal -
21)
DP3 USB3 data signal +
22)
UIVCC_USB USB 5Vsupply
23)
GND Ground
24)
RXD_TC
Series port sent signal (with AG
module)
25)
TXD_TC
Series port received signal (with AG
module)
26)
GND Ground
27)
RXD_KB
Series port sent signal (with module
rack)
28)
TXD_KB
Series port received signal (with
module rack)
29)
BL_BCON Backlight enable signal
30)
COLOR_SEL_LCD LCD color (18/24bits) choosing
31)
GND Ground
32)
LCDVDD Power supply of LCD
33)
VCC_USB2 Power supply of USB2
34)
DM2 USB2 data signal -
35)
DP2 USB2 data signal +
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