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USB Advisor User Manual Chapter 2: General Description
LeCroy Corporation
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2.4 Stand-Alone Unit
Figure 2.1 Front Panel
Figure 2.2 Rear Panel
The Advisor Analyzer has several user-accessible controls on its front and rear panels.
• Red PWR (power) indicator LED : Illuminates when the unit power is switched on.
• Green REC (recording) LED : Illuminates when the unit is recording.
• Yellow TRG (triggered) LED : Illuminates when the unit triggers an event. Also
lights during power-on testing and blinks when the hardware is faulty.
• Green UPLD (upload) LED : Illuminates when unit is uploading data to host PC.
• Manual Trigger push-button (allows a manual Trace capture)
• After beginning a recording session, press the Manual Trigger switch to force
a Trigger condition. The session completes when a specified post-Trigger
amount of bus data is recorded or when you manually stop a recording
session.
• Detach Device push-button (allows a momentary disconnection of the device
from the host on the Classic Speeds port). This is especially useful when the
traffic of interest occurs during device enumeration. Use the
Detach Device
switch shortly after starting recording to capture a Trace of the device’s
enumeration.
• Two USB ports, High Speed and Classic Speed , each with a type A and a type B
connector.
• High Speed : Used to record 480 MB/s High-Speed traffic only
• Classic Speeds : Used to record either 12 MB/s or 1.5 MB/s Classic-Speed
traffic