USB Interoperability Testing for Intel® RealSense™ Cameras

D415 D435 D435i D455 L515

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Revision 1.0
 

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Contents

1. Introduction
      1.1 Purpose and Scope of This Document
      1.2 Terminology
      1.3 Equipment List
2. Topologies and Tests
      2.1 Basic Topology
      2.2 Tests Performed
      2.3 Conclusion

 

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Figures

• FIGURE 2-1. Basic Topology
• FIGURE 2-2. Basic Topology Change 1
• FIGURE 2-3. Basic Topology Change 2

 

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Tables

• TABLE 1-1. Terminology
• TABLE 1-2. Equipment List
• TABLE 2-1. Tests Performed

 

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Revision History

 

Revision Number	Description	Revision Date
001	Initial Release	March 2021

 

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1. Introduction

1.1 Purpose and Scope of This Document

This document captures the testing equipment and topology that is used when testing the Intel® RealSense™ Cameras for USB interoperability. The equipment, topology, and testing are done in accordance with the specification outlined here:
https://www.usb.org/document-library/xhci-interoperability-test-procedures-peripherals-hubs-and-hosts. 

1.2 Terminology

Table 1-1: Terminology

Acronym	Term	Description
xHCI	Extensible Host Controller Interface	USB 3.1 host controller specification
SSP	SuperSpeedPlus	USB 3.1 Gen 2 (10Gbps)
SS	SuperSpeed	USB 3.1 Gen 1 (5Gbps)
HS	HighSpeed	USB 2 (480Mbps)
HS MTT	HighSpeed Hub w/MTT	HighSpeed Hub with multiple translation translator
HS STT	HighSpeed Hub w/STT	HighSpeed Hub with single translation translator
FS	FullSpeed	USB 1.1 (12Mbps)
DUT	Device Under Test
U0/U1/U2/U3	USB 3 Power States	U0 – Active current U1 – Standby with fast exit U2 – Standby with slower exit U3 – Suspend current
LPM	Link Power Management	Link – A USB connection between two USB ports LPM Transaction – USB transaction to transaction a link to a specific link power state L0/L1 – USB 2 Link power states
Driver Verifier	Driver Verifier Tool	Microsoft Windows tool for catching device driver bugs

 

1.3 Equipment List

Table 1-2: Equipment List

Device	Description
SSP Host	Dell XPS 8930 Desktop
USB Gen2 PCI Express Card	PCI Express Card with ASM3142 Chipset (ASMedia Technology Inc)
SSP Hub USB3.1 (Self-Powered)	Realtek RTS5423 (FW Version 103)
SS Hub USB3.0 Gen1 (Self-Powered)	Via VL811+ B2 step (FW Version 0982)
HS-MTT Hub (Self-Powered)	Belkin F5U237
HS-STT Hub (Self-Powered)	EVB-USB2422
FS Hub (Self-Powered)	Belkin Economy USB 1.1 7-Port Hub F5U027
SSP Cable 1M	Cables included with Realtek RTS5423
SSP Low Power Drive	Via VL716 Evaluation Board (USB-C 3.1 Gen2) (FW Version 95.c0.41.b0)
SS/SSP Video Camera	Logitech Brio
SS Display Adapter	DisplayLink: DisplayLink DL-P002 Development Board
HS Drive	Verbatim Store ’n’ Go USB2.0 64GB
FS Drive
Keyboard	Microsoft Natural Keyboard Pro
HS/FS Camera	Microsoft LifeCam HD-3000
Mouse	Microsoft Classic Intellimouse
Intel® RealSense™ Cameras	Intel® RealSense™ Depth Camera D415 Intel® RealSense™ Depth Camera D435 Intel® RealSense™ Depth Camera D435i Intel® RealSense™ Depth Camera D455 Intel® RealSense™ LiDAR Camera L515

 

2. Topologies and Tests

2.1 Basic Topology

 

2.2 Tests Performed

Table 2-1: Tests Performed

Test Chapter	Description
Chapter 2: USB Peripheral Interoperability Test Steps	Section 2.1: Peripheral Interoperability Tests
	Section 2.2: Peripheral Current Measurement
	Section 2.3: Peripheral U1/U2 Test Steps
	Section 2.4: Peripheral L1 (USB2 compliance) Test Steps
Chapter 7: All Devices – Interoperability Test Steps	Repeats at: – All Devices Tests – All Devices Tests (After topology change 1) – All Devices Tests (After topology change 2) – Root Port Testing

 

2.3 Conclusion

The Intel® RealSense™ Cameras outlined in this document has gone through the extensive tests outlined in the interoperability test procedures and performed by in-house validation teams, which can be found at usb.org. With the equipment list provided here, the peripheral cameras have passed all tests.

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