The LEX Unit
The LEX unit connects to the computer using a standard USB 2.0 cable. Power for this unit is provided by the
host computer.
ITEM TYPE
DESCRIPTION
1
Power LED (Blue)
LED turns on when power is supplied.
LED is off when no power is supplied by the host computer.
2
Link LED (Green)
Indicates a valid ExtremeUSB link is established between the LEX and REX.
LED turns on when link between the LEX and REX units is established.
LED is off when there is no link between the LEX and REX units.
LED is slow blinking when the unit is attempting to establish a link.
3
Host LED (Green)
Indicates that the extender system is properly enumerated on the host
computer.
LED blinks when the extender system is in a suspended state.
4
Activity LED
(Amber)
Indicates data transmission is occurring between the LEX and REX units.
LED blinks intermittently with or without a USB device connected.
When the LEX and REX units are in suspend mode, the LED is off.
5
Config
Reserved for manufacturer use.
6
USB Host Port
Used to connect the LEX to the host computer.
Accepts USB Type-B connector.
7
Mode
Reserved for manufacturer use.
8
Link Port
(Duplex LC)
Extension link Duplex LC fiber optic transceiver port.
4
Front View
Rear View
1
2
3
4
5
6
8
7
Link
Config
Mode
