High speed

Full speed Low speed

Rate

 

 

480 Mbps

 

2.5 W (Max, each port)

12 Mbps

 

2.5 W (Max, each port)

 

1.5 Mbps

 

2.5 W (Max, each port)

USB Upstream Connector

Pin Number 4-pin Side of the Connector

1

DMU

2

VCC

3

DPU

4

GND

USB Downstream Connector

Pin Number

 

4-Pin Side of the Signal Cable

1

 

VCC

2

 

DMD

 

3

 

DPD

4

 

GND

Page 17
Image 17
Dell S2740LB, 225-3894 manual Rate, Pin Number 4-pin Side of the Connector