US Robotics USR3520 User Manual page 85

Basic Ethernet Switch Specifications
Specifications

RJ-45 receptacle tab on top

4-port 10/100 Base-T

One uSD card connector available

Auto-MDIX
Pinout
Yellow LED:

Active when operating speed is 100Mbps

Inactive when operating speed is 10 Mbps or when not connected
Green LED:

Active when valid link is detected

Blinks when activity is detected

Inactive when not connected
Revision: 1.00 Copyright 2015 U.S. Robotics Corporation 85 | P a g e