SNLA239D May   2021  – April 2025 DP83867CR , DP83867CS , DP83867E , DP83867IR , DP83867IS , DP83869HM

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Standards and System Requirements
    1. 1.1 Standards
    2. 1.2 Test Equipment Suppliers
    3. 1.3 Test System Requirements
    4. 1.4 Software Setup and Installation
  5. 2Ethernet Physical Layer Compliance Testing
    1. 2.1 Standard Test Setup and Procedures
    2. 2.2 1000BASE-T
      1. 2.2.1 Test Mode 1
        1. 2.2.1.1 Template
        2. 2.2.1.2 Peak Voltage
        3. 2.2.1.3 Droop
      2. 2.2.2 Test Mode 2
        1. 2.2.2.1 Jitter Master Unfiltered
      3. 2.2.3 Test Mode 4
        1. 2.2.3.1 Distortion
        2. 2.2.3.2 Common-Mode Voltage
        3. 2.2.3.3 Return Loss
        4. 2.2.3.4 Common-Mode Noise Rejection
    3. 2.3 100BASE-TX
      1. 2.3.1  Template (Active Output Interface)
      2. 2.3.2  Differential Output Voltage
      3. 2.3.3  Signal Amplitude Symmetry
      4. 2.3.4  Rise and Fall Time
      5. 2.3.5  Waveform Overshoot
      6. 2.3.6  Jitter
      7. 2.3.7  Duty Cycle Distortion
      8. 2.3.8  Return Loss
      9. 2.3.9  Common-Mode Voltage
      10. 2.3.10 Common-Mode Noise Rejection
    4. 2.4 10BASE-Te
      1. 2.4.1 Link Pulse
      2. 2.4.2 10Base-Te Standard
        1. 2.4.2.1 TP_IDL
        2. 2.4.2.2 MAU, Internal
        3. 2.4.2.3 Jitter With TPM
        4. 2.4.2.4 Jitter Without TPM
        5. 2.4.2.5 Differential Voltage
        6. 2.4.2.6 Common-Mode Voltage
        7. 2.4.2.7 Return Loss
        8. 2.4.2.8 Harmonic Content
        9. 2.4.2.9 Common-Mode Rejection
  6. 3Debug Test Methods
  7. 4References
  8. 5Revision History
  9.   A Appendix A: Outline of Ethernet Compliance Tests for DP8386x
  10.   B Appendix B: Ethernet Compliance Testing MDIO Register Writes for DP8386x

2.4.1 Link Pulse

Purpose: To make sure that the link pulse waveform is within the specified bounds.

Pass Condition: The link pulse must fit into the IEEE-defined template for loads 1 and 2 with and without the twisted pair model (TPM). Load 3 (100 Ω) is an informative test and is optional.

Specific Test Setup: Verify the test fixture connections. Set MDIO registers according to 10 Base Link Pulse in Appendix B.

DP8386x Link Pulse Output Waveform 10M Figure 2-10 DP8386x Link Pulse Output Waveform 10M