Black Box IC401A user manual Overview, Page, blackbox.com, 1 2, 1.Front view local unit

Chapter 2: Overview

1 2 3 4

	Figure 2-1. Front view: local unit.
5	6	7	8

Figure 2-2. Back view: local unit.

Table 2-1. Local (LEX) Unit Components.

Number	Component	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 link is established between the LEX and the REX units
		over CAT5 cabling.
3	Host LED (Green)	Indicates that the extender system is properly enumerated on the host PC.
		Indicates activity when data transmission is active between the LEX
4	Activity LED (Amber)	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	Ground	Optional ground connection to housing of unit. Accepts an M2 type screw.
		Not required in normal operation. You can connect an optional 5-V power
6	Power Port (optional)	supply to the LEX unit to provide power if the USB port on the host PC
		cannot deliver 500 mA to the unit.
7	USB Type B connector	Connects the LEX unit to the host computer.
8	Link Port (RJ-45)	Accepts an RJ-45 connector for CAT5 (or better) cabling.

Page 10 724-746-5500 blackbox.com IC401A User Manual