The LEX unit
The LEX unit connects to the computer using the attached USB cable. Power for the system is provided by
the 24V AC adapter connected at the LEX unit. The LEX unit delivers power over the Cat 5 extension link to
the REX unit.
Front View
Rear View
ITEM TYPE
DESCRIPTION
1
Power LED (Blue)
LED turns on when power is supplied. Off when no power is
supplied.
2
Link LED (Green)
Indicates a valid ExtremeUSB® link is established between the LEX
and REX units over the Cat 5 cabling. LED does not blink when in
suspend state.
3
Host LED (Green)
Indicates that the Ranger 2212 system is properly enumerated on
the host PC. LED blinks when in suspend state.
4
Activity LED (Amber)
Indicates activity when data transmission is active between LEX
and REX. LED blinks intermittently with or without a USB device
connected. When the LEX and REX are in suspend mode, the LED
is off.
5
Earth Ground
Optional earth ground connection to housing of unit. Accepts an
M2 type screw.
6
Power
Connects to 24V AC adapter supply. Required for proper operation
of the Ranger 2212 system.
7
USB Type B Port
Used to connect the LEX unit to the host computer.
8
Link Port (RJ45)
Accepts RJ45 connector for Cat 5 cabling (or better).
4
5
6
7
8
1
2
3
4
