Tripp Lite 4 Port USB 1.1 Self- or Bus-Powered Hub U205-004-R - Manual (Page 4)

Installation
1. Plug the power adapter into the jack on the side panel of the
HUB (optional)
2. Plug the B type connector into the upstream port (Root port)
of the HUB
3. Plug the A type connector into the Host
4. Connect all USB Devices to the HUB Host Power Mode
Setting.
There are two power modes: Self-Powered mode and
Bus-powered mode. For Self-Powered mode the HUB provides
all the downstream ports with DC + 5V, 500mA (max) power
supply per port. For the Bus-powered mode, the Hub only
provides the four downstream ports (Port1 to Port4) with DC +
5V, 500mA in total.
Note: When cascading many Hubs, the upstream Hubs must
always be set into the Self-powered mode, only the last hub can
be set into Bus-powered mode.
B Connector
A Connector
DC 5V 2.1A
1
4
2
3
4