Link Layer Tests
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If Examiner is configured as a Downstream Port:
Examiner asserts VBUS and terminations.
The PUT must move to Rx.Detect.
The PUT must transmit Polling.LFPS before tRXDetectQuietTimeout (12ms
+50%) + tPollingLFPSEstablished (80us +50%) expires.
2.
Examiner transmits Polling.LFPS bursts.
The PUT must transmit at least 16 consecutive Polling.LFPS.
The PUT must transmit at least 4 consecutive Polling.LFPS after receiving one
Polling.LFPS.
The PUT must NOT progress past Polling.LFPS before Examiner sends at least
2 consecutive Polling.LFPS.
The PUT must progress past Polling.LFPS before tPollingLFPSTimeout expires
(360ms + 50%).
3.
Examiner transmits TSEQ ordered sets.
The PUT must transmit TSEQs.
The PUT must NOT transmit SKPs, Idles, or any other packet, symbol, or
ordered set during TSEQ transmission or between TSEQ ordered sets.
4.
The LVS transmits TS1 ordered sets and waits to receive eight consecutive and identical
TS1 or TS2 ordered sets from the PUT.
The PUT must transmit TS1s.
The PUT must NOT transmit TS2s before Examiner sends 8 consecutive and
identical TS1s or TS2s.
The PUT must NOT interrupt a TS1 ordered set to transmit a SKP (between
TS1 ordered sets is permitted).
The PUT must NOT transmit IDLEs or any other packet.