User`s manual
Chapter 2 Hardware Configuration 
Prox-1750 USER'S MANUAL 
Page: 2-21 
2-21. USB & LAN CONNECTOR 
JRJ45USB1: USB & LAN Connector 
This connector contains two USB ports and one LAN. 
The pin assignments are as follows: 
LAN 
PIN ASSIGNMENT 
1 TX+ 
2 TX- 
3 RX+ 
4 ISOLATED GND 
5 ISOLATED GND 
6 RX- 
7 ISOLATED GND 
8 ISOLATED GND 
11 Pull Hi 
12  LED - Yellow 
13 Pull Hi 
14  LED - Green 
USB 
PIN ASSIGNMENT 
A1  +5.0V or +5.0V Standby 
A2 
USBP0− 
A3 USBP0+ 
A4 GND 
B1  +5.0V or +5.0V Standby 
B2 
USBP1− 
B3 USBP1+ 
B4 GND 
JRJ45USB1
Yellow
Green










