Gefen USB 400 FO EXT-USB-400FON - Manual (Page 8)

5
SENDER UNIT PANEL DESCRIPTIONS
1 Power Indicator
LED turns bright blue when power is supplied.
2 Link Indicator
This LED turns bright green when a valid ExtremeUSB® link is established
between the Sender Unit and Receiver Unit.
3 Host Indicator
This LED turns bright green when the USB 400 FO system is properly
enumerated on the host PC. The LED blinks when in Suspend Mode.
4 Activity Indicator
This LED turns bright amber, indicating that data transmission is active between
the Sender Unit and Receiver Unit. The LED blinks intermittently with or without
a USB device plugged in. When the Sender Unit and Receiver Unit are in a
Suspend Mode, the LED is off.
5 Power port
An optional 5V power supply can be connected to the Sender unit to provide
power if the USB port on the host PC is not capable of delivering 500mA to the
unit.
6 USB Port
Used to connect the Sender unit to the host computer.
7 Link Port
Extension link Duplex LC fi ber optic transceiver port.