Teledyne LeCroy USBTracer_Trainer - Users Manual - Manual (Page 44)

Chapter 2: General Description USB Protocol Suite User Manual
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LeCroy Corporation
Analyzer Ports A (downstream) and B (upstream)
Analyzer LEDs
Rec - Recording
Red if 2.0 recording enabled or 3.0 recording enabled in Analyzer mode
3.0 - USB 3.0
Off: No traffic or LFPS.
Solid Yellow: Only Polling LFPS
Slow Flashing Yellow: Low Power States
Fast Flashing Yellow: Symbol Traffic, Training (TS1/TS2/TSEQ)
Solid Green: Link Traffic (U0) LUP, LDN
Blinking Green: TP's and DP's (actual traffic)
2.0 - USB 2.0
Solid Yellow: FS SOF's, LS EOP's, or control endpoint traffic
Slow Flashing Yellow: LS Traffic on endpoints other than 0
(resets activity timer as in 3.0)
Fast Flashing Yellow: FS Traffic on endpoints other than 0
(resets activity timer as in 3.0)
Solid Green: HS SOF's or control endpoint traffic
Flashing Green: HS traffic on endpoints other than 0
(resets activity timer as in 3.0)
Exerciser Ports A (downstream) and B (upstream)
Exerciser LEDs
Gen - Generating
Green if generating enabled
Rec - Recording
Red if 3.0 recording enabled when in Exerciser mode
3.0 - USB 3.0
Off: No traffic or LFPS.
Solid Yellow: Only Polling LFPS
Slow Flashing Yellow: Low Power States
Fast Flashing Yellow: Symbol Traffic, Training (TS1/TS2/TSEQ)
Solid Green: Link Traffic (U0) LUP, LDN
Blinking Green: TP's and DP's (actual traffic)
2.0 - USB 2.0
unused
Note: USB 2.0 Link LEDs operate only while USB 2.0 Recording or
Real-Time Statistics (RTS) is running.
USB 3.0 LEDs always operate, unless USB 3.0 has been disabled in the
Recording Options General Tab.
A (downstream) - MMCx plug connectors for interfacing
B (upstream)
with USB 3.0 signals
Tx + - Transmit pair
Rx + - Receive pair
Clock A (downstream) - MMCx plug connectors for interfacing
Clock B (upstream)
with external clock source or sink
In - Connects to an external reference clock.
Out- Provides reference clock output.