The objects in this MIB module are used to manage
the Ethernet in the First Mile (EFM) Copper (EFMCu) Interfaces
2BASE-TL and 10PASS-TS, defined in IEEE Std. 802.3ah-2004,
which is now a part of IEEE Std. 802.3-2005.

The following references are used throughout this MIB module:

[802.3ah] refers to:
  IEEE Std 802.3ah-2004: 'IEEE Standard for Information
  technology - Telecommunications and information exchange
  between systems - Local and metropolitan area networks -
  Specific requirements -
  Part 3: Carrier Sense Multiple Access with Collision
  Detection (CSMA/CD) Access Method and Physical Layer
  Specifications -
  Amendment: Media Access Control Parameters, Physical
  Layers and Management Parameters for Subscriber Access
  Networks', 07 September 2004.

Of particular interest are Clause 61, 'Physical Coding
Sublayer (PCS) and common specifications, type 10PASS-TS and
type 2BASE-TL', Clause 30, 'Management', Clause 45,
'Management Data Input/Output (MDIO) Interface', Annex 62A,
'PMD profiles for 10PASS-TS' and Annex 63A, 'PMD profiles for
2BASE-TL'.

[G.991.2] refers to:
  ITU-T Recommendation G.991.2: 'Single-pair High-speed Digital
  Subscriber Line (SHDSL) transceivers', December 2003.

[ANFP] refers to:
  NICC Document ND1602:2005/08: 'Specification of the Access
  Network Frequency Plan (ANFP) applicable to transmission
  systems used on the BT Access Network,' August 2005.

The following normative documents are quoted by the DESCRIPTION
clauses in this MIB module:

[G.993.1] refers to:
  ITU-T Recommendation G.993.1: 'Very High speed Digital
  Subscriber Line transceivers', June 2004.

[T1.424] refers to:
  ANSI T1.424-2004: 'Interface Between Networks and Customer
  Installation Very-high-bit-rate Digital Subscriber Lines
  (VDSL) Metallic Interface (DMT Based)', June 2004.

[TS 101 270-1] refers to:
  ETSI TS 101 270-1: 'Transmission and Multiplexing (TM);
  Access transmission systems on metallic access cables;
  Very high speed Digital Subscriber Line (VDSL); Part 1:
  Functional requirements', October 2005.

Naming Conventions:
  Atn   - Attenuation
  CO    - Central Office
  CPE   - Customer Premises Equipment
  EFM   - Ethernet in the First Mile
  EFMCu - EFM Copper
  MDIO  - Management Data Input/Output
  Mgn   - Margin
  PAF   - PME Aggregation Function
  PBO   - Power Back-Off
  PCS   - Physical Coding Sublayer
  PMD   - Physical Medium Dependent
  PME   - Physical Medium Entity
  PSD   - Power Spectral Density
  SNR   - Signal to Noise Ratio
  TCPAM - Trellis Coded Pulse Amplitude Modulation

Copyright (C) The IETF Trust (2007).  This version
of this MIB module is part of RFC 5066;  see the RFC
itself for full legal notices.