Ethernet Over Tdm Overview; Figure 1-4. Eotdm Ds3 4-Port General Application Diagram - ADTRAN Total Access 5000 Deployment Manual

Total Access 5000 Business Services Deployment Guide

Ethernet over TDM Overview

The end to end Ethernet over TDM (EoTDM) solution (Figure 1‐4 and Figure 1‐5) encom‐
passes the latest Metro Ethernet Forum (MEF) certified Ethernet in the First Mile (EFM) over
Time Division Multiplexed (TDM) Network Termination Units (NTU), which leverages
existing TDM/SDH/SONET facilities to offer extended reach Carrier Ethernet up to 135Mbps.
The EoTDM offers the following features:
• Consistent Operations, Administration, and Maintenance (OAM)
• Traffic management and flow‐through provisioning
• Resiliency through dynamic circuit removal and restoration
• Electrical and Optical Ethernet connections to the customer
1-8
Total Access 5000
Central Office

Figure 1-4. EoTDM DS3 4-Port General Application Diagram

SONET
Multiplexer
(Central Office)
Application Diagram
DS3s
NetVanta 873
SONET
Multiplexer
(Customer Side)
EoTDM
General
Router
Customer Site
65K510DEP08-1A