IEEE P1911.1/D1：HDBaseT规范1.1.0采纳草案

HDBaseT

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"IEEE官网发布的HDBaseT标准版本1.1.0，即P1911.1/D1，2015年10月的草案，由IEEE通信学会的标准发展委员会赞助，并最终获得IEEE-SA标准委员会批准。此文档是未经批准的IEEE标准提案草案，使用时需自担风险，不能用于符合性或合规性目的。IEEE标准工作小组或委员会的官员可复制该草案，用于国际标准化考虑，但必须通知IEEE标准部门。" HDBaseT标准1.1.0是一个由IEEE（电气与电子工程师协会）采纳并推广的技术规范，它定义了一种用于长距离传输高清视频、音频、网络数据、电力以及其他控制信号的综合技术。这个标准主要应用于家庭娱乐系统、商业展示、智能建筑等领域，旨在简化多媒体设备间的连接，并提供高质量的传输性能。 HDBaseT技术的核心在于其能够通过单根电缆（通常为CAT5e或更高版本的以太网线缆）传输多种信号，包括： 1. 高清视频：支持高达4K Ultra HD（3840x2160分辨率）的视频信号，确保了高清晰度的视觉体验。 2. 音频：包括多声道环绕声系统如杜比TrueHD和DTS-HD Master Audio等高清音频格式，提供影院级的听觉享受。 3. 以太网数据：允许设备间进行高速的网络通信，速度可达1000Mbps（千兆位），满足现代网络需求。 4. USB：使得外设如键盘、鼠标或其他USB设备能远程操作。 5. 电源：Power over HDBaseT (PoH) 功能允许通过同一条电缆为接收端设备供电，减少电源线的使用。 HDBaseT 1.1.0版相较于早期版本可能包含了一些改进和增强，例如提升传输效率、增强信号稳定性、优化电源管理或者增加了对新格式的支持等。然而，由于给出的摘要信息没有详细描述这些变化，具体升级内容需要参考完整的标准文档才能了解。在实际应用中，HDBaseT技术简化了家庭娱乐中心或会议室的布线，减少了线缆的混乱，提高了系统的可扩展性和灵活性。同时，由于采用标准的以太网线缆，安装成本相对较低，且兼容性好。 HDBaseT 1.1.0标准是多媒体传输领域的一个重要里程碑，它结合了多种通信协议和功能，提供了高效、便捷的解决方案，推动了数字家庭和智能建筑的发展。对于设计、安装和维护多媒体系统的专业人员来说，理解并掌握HDBaseT技术至关重要。

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HDBaseT Specification Version 1.1.0

Table of Tables

Table 1: Acronyms ........................................................................................................................................... 13

Table 2: Glossary ............................................................................................................................................. 14

Table 3: Link Tokens types .............................................................................................................................. 21

Table 4: CEC directions ................................................................................................................................... 27

Table 5: Ethernet Control Types ..................................................................................................................... 34

Table 6: Ethernet Error Handling .................................................................................................................... 36

Table 7: Downstreams Packet Types.............................................................................................................. 39

Table 8: Downstream – DDC over HDBaseT .................................................................................................. 54

Table 9: Downstream – CEC over HDBaseT .................................................................................................. 55

Table 10: Downstream – 5V over HDBaseT .................................................................................................... 55

Table 11: Upstream – Status Word Type ........................................................................................................ 56

Table 12: Upstream – Status Word Type values ............................................................................................ 57

Table 13: Upstream – Status Word Data values ............................................................................................ 57

Table 14: Upstream Token Types ................................................................................................................... 63

Table 15: Upstream Packet Types .................................................................................................................. 64

Table 16: Upstream - DDC over HDBaseT ...................................................................................................... 66

Table 17: Upstream - CEC over HDBaseT ...................................................................................................... 67

Table 18: Upstream - HPD over HDBaseT ...................................................................................................... 67

Table 19: Upstream – Status Word Type ........................................................................................................ 68

Table 20: Upstream – Status Word Type values ............................................................................................ 69

Table 21: Upstream – Status Word Data values ............................................................................................ 69

Table 22: DDC over HDSBI .............................................................................................................................. 80

Table 23: CEC over HDSBI ............................................................................................................................... 81

Table 24: HDSBI Mode Change Payload ......................................................................................................... 82

Table 25: HDSBI Active/Silent Change Payload ............................................................................................ 83

Table 26: HDSBI Frame Abort Payload ........................................................................................................... 84

Table 27: Info Packet Payload ......................................................................................................................... 85

Table 28: Long Packet Tokes .......................................................................................................................... 86

Table 29: Transmitter Test Mode .................................................................................................................. 101

Table 30: Vd Characteristics ......................................................................................................................... 106

Table 31: Transmitter Test Mode .................................................................................................................. 118

Table 32: Vd Characteristics ......................................................................................................................... 120

Table 33: Sink State Machine Timer Values ................................................................................................. 127

Table 34: Source State Machine Timer Values ............................................................................................ 132

Table 35: HDCD Device Entities .................................................................................................................... 138

Table 36: HDCD Port Entities ........................................................................................................................ 139

Table 37: ELV Error Codes ............................................................................................................................ 140

Table 38: HLIC Op Codes ............................................................................................................................... 142

Table 39: HDCD Referrancing Modes ........................................................................................................... 144

Table 40: HLIC Abort Codes .......................................................................................................................... 147

Table 41: HDBaseT PSE and PD system requirements with reference to IEEE802.3–2008/2009. .......... 161

Table 42: PSE – PD mutual Identification permitted combinations. .......................................................... 167

Table 43: HDBaseT PD requirements with reference to IEEE802.3-2008/2009 standard. ........................ 173

Table 44: HDBaseT PD maximum power as function of detected PSE Type/Configuration .................... 176

Authorized licensed use limited to: University of Florida. Downloaded on July 03,2016 at 00:15:25 UTC from IEEE Xplore. Restrictions apply.

HDBaseT Specification Version 1.1.0

1 Introduction

HDBaseT is a connectivity standard which consolidates high throughput, unidirectional, HDCP protected,

uncompressed high definition digital multimedia with bidirectional data networking over standard CAT5e/6

structured cabling.

The scope of the HDBaseT specification version 1.0 (this document) is to specify the HDBaseT link between

HDBaseT Source Port device and HDBaseT Sink Port Device.

Devices complying with this document shall interoperate in Direct Peer to Peer applications and shall

interoperate as End Node devices over the future HDBaseT network. Future versions of the HDBaseT

specification will specify the HDBaseT Switching devices and enhance the capabilities of the End Node

devices. All devices complying to these future specifications shall interoperate with devices complying with

this document, acting both as Direct Peer to Peer and as over the network End Nodes.

1.1 HDBaseT Specification Organization

HDBaseT specification is described in the following sections:

1. Introduction – Specifies the technology objectives and provides an overview of the architecture. It also

provides glossary of terms used in this document and in the references.

2. Link Layer – Specifies the protocol definition and packet formats used to transfer the various data types

for both downstream and upstream directions.

3. Physical Layer – Specifies the physical media impairments, the physical coding sub layer, startup

procedures and the electrical specification of the downstream / upstream transmitter and receiver.

4. Control & Management – Specifies the configuration data base and its related control protocol.

5. Network Layer – Specifies the network layer objectives as a linkage to future specifications

1.2 HDBaseT Link Objectives

x Transparent conversion and transfer of HDMI-HDCP and DVI signals

x Transparent conversion and transfer of 100Mb Ethernet in addition to the audiovisual data

x Operation over up to 100m, point to point, unshielded / shielded four twisted pairs CAT5e/6/6a cable with two

middle RJ45 connectors

x Support of 100BaseT auto negotiation with fall back to 100BaseT Ethernet only mode when connected to a

regular 100BaseT device

x Support up to 8 AV streams over the same link

x Two Active modes of operation:

o Basic Mode: 250Msymb/sec, 4Gbps total BW (supporting DVI/HDMI 1.1) over CAT5e/6/6a

Authorized licensed use limited to: University of Florida. Downloaded on July 03,2016 at 00:15:25 UTC from IEEE Xplore. Restrictions apply.

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