R&S ® RT-ZF1Connections and Switches Signal Quality Board Inrush X1 GND D- GND X2 D- B D+ A Low and full speed tests: Device GND D+ GND Device on off J1 Trigger X3 D- GND X4 GND D- B A Low and full speed tests: Hub D+ GND D+ GND VCC GND Low and full speed tests: Device, Hub Back Voltage Host Signal Quality High-speed tests Hub Host X5 VBus GND X6 - Signal quality downstream x GND D- - Chirp timing x A D- D- B - Suspend/resume/reset x D+ D+ GND D+ GND - Test J/K, SE0_NAK downstream x - Repeater up-/downstream - Jitter downstream Disconnect Test Init X7 D- GND X8 GND D- High-speed tests Hub Host A B D+ - Disconnect detect x x GND D+ GND 56 Ohm 182 Receiver Sensitivity Init X9 D- X10 GND D- GND Test High-speed tests Device Hub A D- B D+ - Receiver sensitivity x upstream GND D+ GND D+ Device SQ Device on off High-speed tests Device Hub Host Init - Signal quality x upstream X11 X12 GND D- GND Test - Packet parameters x upstream x A D- B - Chirp timing x upstream D+ - Suspend/resume/ x upstream GND D+ GND reset timing - Test J/K, SE0_NAK x upstream - Repeater up-/downstream Device Power Board Initialization X13 USB 2.0 Signal Quality B int R S Init Test ext Figure 3-2: Signal quality board Manual 1317.4326.02 ─ 06 10 Document Outline Cover Contents 1 Usage Information 2 Product Description 2.1 Deliveries 2.1.1 Boards 2.1.2 Accessories 2.2 Test Equipment 2.3 Specifications 3 Connections and Switches 3.1 Oscilloscope Connections 3.2 Signal Quality Board 3.3 Load Board 4 Preparing the Measurements 4.1 Installing Software and License 4.2 Setting Up the Network 4.3 Starting the R&S ScopeSuite 4.4 Connecting the R&S RTO 4.5 Connecting the Arbitrary Waveform Generator 4.6 Report Configuration