USB Interoperability Testing for Intel® RealSense™ Cameras
| D415 D435 D435i D455 L515 | Download PDF |
Revision 1.0
Contents
- Introduction
1.1 Purpose and Scope of This Document
1.2 Terminology
1.3 Equipment List - Topologies and Tests
2.1 Basic Topology
2.2 Tests Performed
2.3 Conclusion
Figures
Tables
Revision History
| Revision Number | Description | Revision Date |
|---|---|---|
| 001 | Initial Release | March 2021 |
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
Figure 2-1. Basic Topology
Figure 2-2. Basic Topology Change 1
Figure 2-3. Basic Topology Change 2
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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