Chapter 1: About The E4G Series Routers; Overview - Extreme Networks E4G Series Installation Manual

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C H A P T E R

This chapter describes the Extreme Networks E4G series routers and includes the following sections:

Overview on page 13

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E4G-200 Cell Site Router on page 14

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E4G-400 Cell Site Aggregation Router on page 18

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Pluggable Interfaces for E4G Series Routers on page 25

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The Extreme Networks E4G router family consists of the E4G-200 cell site router and the E4G-400 cell

site aggregation router. These routers provide high-bandwidth capacity, highly accurate and flexible

timing, and Operations Administration and Maintenance (OAM) capabilities that support service level

agreement (SLA) metrics. They support time-division multiplexing pseudowire end-to-end emulation

(TDM PWE3). PWE allows the simultaneous support of multiple generations of services (2G, 3G and

4G) over the same Ethernet backhaul network without having to remove legacy T1/E1 equipment and

incur associated costs.

The E4G-200 Cell Site Router collects traffic from cell site towers for handoff to the mobile backhaul

network. The E4G-200 router connects to the E4G-400 Cell Site Aggregation Router, which aggregates

T1, E1. and Ethernet traffic for handoff to the mobile core (see

E4G Series Routers Hardware Installation Guide

About the E4G Series Routers

Figure

1).

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