Hardware Setup and Configurations
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Link LED
The Link LED indicates the status of the Examiner’s upstream and downstream ports. During
Examiner testing, only one of Examiner’s front-panel ports is used: for testing a host, only the
Downstream port is used; for testing a device, only the Upstream port is used.
Off: No receiver detected.
Constant orange: Receiver detected, no 5Gb/s SuperSpeed signaling detected.
Constant green: 5Gb/s SuperSpeed signaling detected, receiver synchronized.
Flashing red: Link is unstable, frequent loss of synchronization.
Receive LED
The Receive LED indicates if payload (Data Packets) or errors (CRC, invalid symbols) are
received on a given port.
Off: No payload or errors detected.
Flashing green: Payload detected.
Flashing red: Errors detected.
Transmit LED
The Transmit LED indicates if payload (Data Packets) is transmitted on a given port.
Off: No data sent.
Flashing green: Data Packet sent.
3.5
Explorer 280 Back Panel Overview
The back panel of the USB Explorer 280 is shown below: