IEEE Std 802.3bt-2018 pdf free download – IEEE Standard for Ethernet Amendment 2: . Physical Layer and Management Parameters for Power over Ethernet over 4 pairs.
14. Twisted-pair medium attachment unit (MAU) and baseband medium,type 10BASE-T including type 10BASE-Te
14.3 MAU electrical specifications
14.3.1 MAU-to -MDI interface characteristics
14.3.1.1 Isolation requirement
Change the first paragraph of 14.3.1.1 as follows:
A MAU with a MDI that is a PI (see 33.1 .3) shall meet the isolation requirements defined in 33.4.1 or 145.4.1.
25. Physical Medium Dependent (PMD) sublayer and baseband medium,
type 100BASE-TX
25.4 Specific requirements and exceptions
25.4.5 Change to 9.1.7,“Worst case droop of transformer”
Change 25.4.5 as follows:
A 100BASE-TX receiver in a Type 21 Type 3. or Type4 Endpoint PSE or Type 2, Type3, or Type4 PD (see Clause 33 and Clause 145) shall meet the requirements of 25.4.7. A 100BASE-TX transmitter in a Type 2 Endpoint PSE or Type 2 PD delivering or accepting more than 13.0 W average power shall meet cither the Open Circuit Inductance (OCL) requirement in 9.1.7 of TP-PMD; or meet the requirements of 25.4.5.1. A 100BASE-TX transmitter in a Type3 or Type 4 Endpoint PSE or Type3 or Type 4 PD shall meet either the Open Circuit Inductance (OCL) requirement in 9.1.7 ofTP-PMD. or meet the requirements of25.4.5.1. .
25.4.6 Replacement of 8.4.1,“UTP isolation requirements”
Change the first paragraph of 25.4.6 as fllows:
A PMD with a MDI that isa PI (see 33.1.3. and 145.1.3) shall meet the isolation requirements defined in
33.4. I and 145.4.1.
25.4.7 Addition to 10.1,“Receiver”
Change 25.4.7 as follows:
Differential voltage signals generated by a remote transmitter that meets the specifications of Clause 25;passed through a link specified in 25.4.8; and received at the MDI ofa 100BASE-TX PMD in a Type 2,Type3. or Type 4 Endpoint PSE or a Type 2_ Type3. or Type4 PD shall be translated into one of the PMD_ UNITDATA.indicate messages with a bit error ratio less than 10 9 after link reset completion.
25.6 Protocol implementation conformance statement (PICS) proforma for Clause 25,Physical Medium Dependent (PMD) sublayer and baseband medium, type
100BASE-TX3
25.6.3 Major capabilities/options
Change the title of 25.6.3.1 as follows:
25.6.3.1 D吁E Power via MDI Power over Ethernet major capabilities/options 25.6.4 PICS proforma tables for the Physical Medium Dependent (PMD) sublayer and baseband medium, type 100BASE-TX
Change the title of 25.6.4.4 as follows:
25.6.4.4 DTE Power viaMDHPower over Ethernet compliance.IEEE Std 802.3bt pdf download.