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H4000 Ethernet Tranceiver Technical Manual
| Company: | Digital Equipment Corporation |
| Part: | EK-H4000-TM-PRE |
| Date: | 1982-11 |
| Keywords: | |
| Cited by: | |
Table of Contents
- Chapter 1 Introduction
- 1.1 Technical Manual Overview
- 1.2 H4000 Digital Ethernet Transceiver
- 1.2.1 Tranceiver Interfaces
- 1.2.2 Transceiver Functional Description
- 1.2.3 Transceiver Physical Description
- 1.2.4 Transceiver Operational Environment
- 1.3 Related Documentation
- Chapter 2 Interfacing Requirements
- 2.1 Overview
- 2.2 Cabling
- 2.2.1 Transceiver Cable Configuration
- 2.2.2 Transceiver Cable Electrical Requirements
- 2.3 Controller or Repeater Bulkhead Connector Requirements
- 2.4 Grounding and Shielding Requirements
- 2.5 Power Requirements
- 2.5.1 Input Power
- 2.5.2 Recommended Surge Current Limiter
- 2.6 Transmit Pair
- 2.6.1 Drive Circuit Requirements
- 2.6.2 Recommended Transmit Signal Line Driver
- 2.6.3 Transceiver Input Response Characteristics
- 2.6.4 Transmit Waveform Data
- 2.7 Receive and Collision Presence Pairs
- 2.7.1 Receive Pair and Collision Presence Pair Output Characteristics
- 2.7.2 Receive Pair and Collision Presence Pair Squelch Requirements
- 2.7.3 Recommended Squelch Circuits and Termination
- 2.7.4 Receive Waveform Data
- 2.7.5 Collision Presence Waveform Data
- 2.8 Carrier Sense Requirements
- 2.9 General Controller and Repeater Design Considerations
- 2.9.1 Separation of Power and Signal Interface Lines
- 2.9.2 Noise Decoupling
- 2.9.3 Location of Interface Circuits
- 2.9.4 Etch and Wiring Requirements for Power and Signal Lines
- 2.9.5 Shielding and Reference Connections
- Chapter 3 Circuit Description
- 3.1 Transmitter Circuit Description
- 3.1.1 Transmitter Circuitry Functional Description
- 3.1.2 Transmitter Circuitry Detailed Description
- 3.1.3 Transmitter Timing
- 3.2 Receiver Circuit Description
- 3.2.1 Receiver Functional Operation
- 3.2.2 Receiver Detailed Operation
- 3.2.3 Receiver Timing
- 3.3 Collision Detection Circuit Description
- 3.3.1 Collision Detection Circuitry Functional Operation
- 3.3.2 Collision Detection Circuitry Detailed Operation
- 3.3.3 Collision Detection Circuit Timing
- 3.4 DC-to-DC Converter Circuit Description
- 3.4.1 DC-to-DC Converter Functional Operation
- 3.4.2 DC-to-DC Converter Detailed Operation During Start-Up
- 3.4.3 DC-to-DC Converter Detailed Operation During Free-Run
- Chapter 4 Repair Instructions
- 4.1 Repair Operations
- 4.2 Transceiver Module Removal Procedure
- 4.3 Transceiver Module Installation Procedure
- 4.4 Transceiver Removal Procedure
- 4.5 Transceiver Installation
- 4.6 Braid Contacts Replacement Procedure