IEEE Std 802.3ch-2020 pdf download – IEEE Standard for Ethernet Amendment 8: Physical Layer Specifications and Management Parameters for 2.5 Gb/s, 5 Gb/s, and 10 Gb/s Automotive Electrical Ethernet.
30.5 Layer management for medium attachment units (MAUs) 30.5.1 MAU managed object class 30.5.1.1 MAU attributes 30.5.1.1.2 aMAUType Insert the following new entry in the APPROPRLATE SYNTAX section of 30.5.1. 1.2 afier the entry for “2. 5GBASE-T” (and before the entry for“2.5GBASE-X”” inserted by IEEE Std 802.3cb-2018) as follows: 2.5GBASE-T1 Single balanced pair of conductors PHY as specified in Clause 149 Insert the following new entry in the APPROPRIATE SYNTAX section of 30.5.1. 1.2 afier the entry for “5GBASE- T”as follows: 5GBASE-T1 Single balanced pair of conductors PHY as specified in Clause 149 Insert the following new entry in the APPROPRIATE SYNTAX section of 30.5.1.1.2 after the entry for “I0GBASE-T” as follows: 10GBASE-T1 Single balanced pair of conductors PHY as specified in Clause 149 30.5.1.1.4 aMediaAvailable
30.5.1.1.4 aMediaAvailable Change the fifth sentence of the eighth paragraph of the BEHAVIOUR DEFINED AS section of 30.5.1.1.4 as follows: Where a Clause 45 MDIO interface is present a zero in the PMA/PMD Receive link status bit (45.2.1.2.4) maps to the enumeration“PMD link fault”, a one in the LOF status bit (45.2.2.10.4) maps to the enumeration“WIS frame loss”, a one in the LOS status bit (45.2.2.10.5) maps to the enumeration“WIS signal loss”, a zero in the PCS Receive link status bit (45.2.3.2.7 or 45.2.3.80.1) maps to the enumeration“PCS link fault”, a one in the 10/40/100GBASE-R PCS Latched high BER status bit (45.2.3.16.2) or a one in the MutiGBASE-T1 PCS status 2 Latched high BER status bit (45.2.3.80.4) maps to the enumeration“excessive BER”, a zero in the DTE XS receive link status bit (45.2.5.2.7) maps to the enumeration“DXS link fault and a zero in the PHY XS transmit link status bit (45.2.4.2.7) maps to the enumeration“PXS link fault”.; 30.6 Management for link Auto-Negotiation 30.6.1 Auto-Negotiation managed object class 30.6.1.1 Auto-Negotiation attributes 30.6.1.1.5 aAutoNegLocalTechnologyAbility Insert the following new entry in the APPROPRLATE SYNTAX section of 30.6.1. 1.5 afier the entry for “2. 5GBASE-T”(and before the entry for“2.5GKX” inserted by IEEE Std 802.3cb-2018) as follows: 2.5GBASE-T1 2.5GBASE-T1 as specified in Clause 149 Insert the following new entry in the APPROPRL4TE SYNTAX section of 30.6.1. 1.5 after the entry for “5GBASE-T” (and before the entry for“5GKR” inserted by IEEE Std 802.3cb-2018) as follows: 5GBASE-T1 5GBASE-TI as specified in Clause 149