Chapter 2: Overview
Table 2-2. Remote (REX) Unit Components.
Number | Component | Description |
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1 | Device Port (USB Type A) | Accepts USB devices. |
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2Device LED (Green/ Orange)
Indicates when a USB device is connected to the device port. Solid green when device is plugged in and active. Off when device is in Suspend mode or REX unit is powered off. Orange when the REX unit detects an overcurrent condition, and the attached USB device attempts to draw more than 500 mA current.
3 | Power LED (Blue) | LED turns ON when power is supplied. OFF when no power is supplied. | |
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| ON when a valid link is established between the LEX unit and REX unit | |
4 | Link LED (Green) | over CAT5 cabling. OFF when there is no link between the LEX and | |
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| REX units. | |
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5 | Host LED (Green) | Indicates that the extender system is properly enumerated on the host | |
PC. | |||
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| Indicates activity when data transmission is active between the LEX | |
6 | Activity LED (Amber) | and REX units. LED blinks intermittently with or without a USB device | |
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| connected. When the LEX and REX are in suspend mode, the LED is off. | |
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7 | Ground | Optional ground connection to housing of unit. Accepts an M2 type | |
screw. | |||
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8 | Power Port | Connects to the AC power supply. Required at REX for proper | |
operation. | |||
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9 | Link Port | Accepts | |
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Page 12 | IC401A User Manual | |
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