Hardware Technical Specification
5-29
SUYIN
USB_CON_1X4P
4 Pin (SMD)
No
Signal
Description
Type
1
+5V_USB34_CON
USB 5V power
P
2
USBPN3
USB port 3 negative signal
I/O
3
USBPP3
USB port 3 positive signal
I/O
4
GND
USB 5V ground
P
5.12 LAN & Modem pin assignment
Vendor
Part No.
Pin No.
ALLTOP
MODULAR_JACK_12P
12 Pin (SMD)
No
Signal
Description
Type
1 None
None
NC
2 MODEM_TIP
Modem
signal
I/O
3 MODEM_RING
Modem
signal
I/O
4 None
None
NC
5
LAN_TXP
Transmit data positive signal
O
6
LAN_TXN
Transmit data negative signal
O
7
LAN_RXP
Receive data positive signal
I
8
LAN_CON45
Connect 75 ohm to ground
I
9
LAN_CON45
Connect 75 ohm to ground
I
10
LAN_RXN
Receive data negative signal
I
11
LAN_CON78
Connect 75 ohm to ground
I
12
LAN_CON78
Connect 75 ohm to ground
I