Guntermann-drunck USB 2.0 Ranger 2204 User Manual download pdf (Page 5)

LEX Unit Description

The LEX Extender (LEX) unit connects to the computer using a standard USB 2.0 cable. Power for this unit is

provided by the USB on the host computer.

Front View

Rear View

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 units over the Cat 5e cable.

LED turns on when link between LEX and REX is established.

LED is off when there is no link between LEX and REX.

3 Host LED (Green)

Indicates that the Ranger 2204 system is properly enumerated on

the host computer. LED blinks when in a suspended state.

4 Activity LED (Amber)

Indicates activity when data transmission is active between LEX

and REX units. LED blinks intermittently with or without a USB

device connected. When the LEX and REX are in suspend mode,

the LED is off.

5 Power Port (optional)

Not required in normal operation. An optional 5V power supply

can be connected to the LEX unit to provide power if the USB port

on the host computer is not capable of delivering 500mA to the

unit, (however such cases should be very rare).

6 USB Type B connector Used to connect the LEX unit to the host computer.

7 Link Port (RJ45)

Accepts RJ45 connector for Cat 5e cable (or better) to connect the

LEX unit to the REX unit.

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Guntermann-drunck USB 2.0 Ranger 2204 User Manual Page 5