Gefen GTB-USB2.0-4LR - Manual (Page 8)

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1 USB Input Port
Connect the USB host device to this port.
2 Host Connection Indicator
This LED will turn bright green once the host USB device has been connected.
to the Sender Unit.
3 CAT-5 Output Jack
Connects the Sender Unit to the Receiver Unit using CAT-5 cabling.
4 5V DC Locking Power Connector
This receptacle can be used to connect an additional 5V DC locking power
supply (sold separately) if the host computer does not provide enough power for
operation. Normally, only the Receiver is powered by an external 5V DC locking
power supply (included).
SENDER UNIT DESCRIPTIONS