Chapter 2: Overview
2.4.2 Remote unit Front and Back Panels
Figure 2-3 shows the remote unit’s front panel. Figure 2-4 shows the remote unit’s back panel. Table 2-2 describes its compo- nents.
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Figure 2-3. Front panel of the remote unit.
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Figure 2-4. Back panel of the remote unit.
Table 2-2. Remote unit’s front- and back-panel components.
Number | Component | Description |
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1 | Device port (USB Type A) | Accepts USB device(s). |
2 | Device LED (green/orange) | Indicates when a USB device is connected to the device port. Solid green |
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| when device is plugged in and active. Off when device is in suspend mode |
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| or remote unit is powered off. Orange when the remote unit detects an over- |
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| current condition, and the attached USB device attempts to draw more than |
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| the 500 mA current. |
3 | Power LED (blue) | LED turns on when power is supplied. Off when no power is supplied. |
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4 | Link LED (green) | Indicates a valid USB link is established between the local unit and remote |
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| unit over CAT5 cabling. LED turns on when link between local unit and |
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| remote unit is established. LED turns off when there is no link between the |
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| local unit and remote unit. |
5 | Host LED (green) | Indicates that the extender system is properly enumerated on the host PC. |
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| LED blinks when in suspend state. |
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6 | Activity LED (amber) | Indicates activity when data transmission is active between the local unit and |
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| the remote unit. LED blinks intermittently with or without a USB device |
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| attached. When the local unit and remote unit are in suspend mode, the LED |
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| is off. |
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Page 9 |
