Examiner Overview
| 11 of 124
S
u
pe
rS
pe
ed
U
S
B
Ex
pl
o
re
r
2
8
0
Terms and Abbreviations
Term/Abbreviation
Definition
CV Test Driver
The driver running on the host controller, provided
by USB-IF. This driver has a known behavior in
order to run certain tests described in this
document.
Link Verification
System
The EX280 hardware and application aimed at
running the tests on an Upstream or a
Downstream Port Under Test. The Link
Verification System (Examiner) will act as the
opposite port.
LVS
See Link Verification System.
Port Under Test
The port connected to the Link Verification
System, upon which the tests are run.
PUT
See Port Under Test.
Upstream Port
A peripheral device (or an upstream-facing hub
port). See Figure 3-2 Examiner Setup for Device
(or hub upstream port).
Downstream Port
A host controller (or a downstream-facing hub
port). See Figure 3-3 Examiner Setup for Host (or
hub downstream port).
HUT
Hub Under Test
DFP
Downstream-Facing Port
UFP
Upstream-Facing Port