ISO 21111-4:2020 pdf download.Road vehicles — In-vehicle Ethernet — Part 4: General requirements and test methods of optical gigabit Ethernet components
6.4 Evaluation
6.4.1 High storage temperature exposure
6.4.1.1 Purpose
Road vehicles are owned and operated in nearly all land regions of the earth. Significant variation in environmental conditions due to climatic environment, including diurnal and seasonal cycles, can therefore be expected. The durability test for high storage temperature is specified.
6.4.1.2 Test setup
The DUT for this durability test is a PCB with a header connector mounted on it. A programmable oven as defined in 9.5.2 is used to expose the DUT to the defined temperature.
6.4.1.3 Test methods
The header connector dimensions before the test are measured in accordance with EIA/TIA 455-13A.
DUT is put into the programmable oven that shall be held at T max . DUT is taken out of the programmable oven after being held for 96 h and held for 24 h at room temperature, and the same header connector dimensions shall be measured in the same manner as the initial measurement. An applicable test condition shall be agreed between supplier and vehicle manufacturer. Unless otherwise provided,designated temperature (T max ) is defined in code K in ISO 16750-4:2010, Clause 4.
6.4.1.4 Requirement
Exposure test shall be performed at T max . Header connector dimensions after durability test shall be within tolerances defined in Figures 3 to 6.
6.4.2 Low storage temperature exposure
6.4.2.1 Purpose
Road vehicles are owned and operated in nearly all land regions of the earth. Significant variation in environmental conditions due to climatic environment, including diurnal and seasonal cycles, can therefore be expected. The durability test for low storage temperature is specified.
6.4.2.2 Test setup
The DUT for this durability test is a PCB with a header connector mounted on it. A programmable oven as defined in 9.5.2 is used to expose the DUT to the defined temperature.
6.4.2.3 Test methods
The header connector dimensions before the test are measured in accordance with EIA/TIA 455-13A.
DUT is put into the programmable oven that shall be held at T min . DUT is taken out of the programmable oven after being held for 96 h and held for 24 h at room temperature, and the same header connector dimensions shall be measured in the same manner as the initial measurement. An applicable test condition shall be agreed between supplier and vehicle manufacturer. Unless otherwise provided, designated temperature (T min ) is defined in code K in ISO 16750-4:2010, Clause 4.
6.4.2.4 Requirement
Exposure test shall be performed at T min . Header connector dimensions after durability test shall be within tolerances defined in Figures 3 to 6.
6.4.3 Operating temperature range
6.4.3.1 Purpose
Road vehicles are owned and operated in nearly all land regions of the earth. Significant variation in environmental conditions due to climatic environment, including diurnal and seasonal cycles, can therefore be expected. Operating temperature range of a header connector is specified, and test method is defined.
6.4.3.2 Test setup
DUT for this test consist on a PCB with a header connector mounted and powered. Unless otherwise specified the operating mode of DUT is defined in ISO/IEC/IEEE 8802-3:2017/Amd 9:2018, 115.5 test mode 3. A programmable oven as defined in 9.5.2 is used to expose the DUT to the defined temperature.
6.4.3.3 Test methods
The header connector dimensions before the test are measured in accordance with EIA/TIA 455-13A.
The temperature of the programmable oven shall be raised until T max and lowered until T min with the temperature slope of 1 °C/min, and again increased back to room temperature with the temperature slope of 1 °C/min. An applicable test condition shall be agreed between supplier and vehicle manufacturer. Unless otherwise provided, designated temperature (T min and T max ) is defined in code K in ISO 16750-4:2010, Clause 4.
6.4.3.4 Requirement
Operating temperature test shall be performed at T min and T max . Channel type is defined in ISO/IEC/IEEE 8802-3:2017/Amd 9:2018, 115.7. Header connector dimensions after exposure test shall be within tolerances defined in Figures 3 or 4.
7 Cable connector
There are two types of cable connectors, cable plugs and cable sockets. The cable plug shall mate with either a header connector or a cable socket. Mechanical coding of cable plug and cable socket are defined in 7.1.2 and 7.2.2.
7.1 Cable plug
7.1.1 Dimension criteria
Two types of cable plug are defined.ISO 21111-4 pdf download.ISO 21111-4 pdf download
