E-Series Overview; Overview; Where E-Series Routers Fit In; Chapter 1 E-Series Overview - Juniper E Series Hardware Manual

Chapter 1

E-series Overview

Overview

Where E-series Routers Fit In

This chapter provides introductory information about the E-series routers.
Topic
Overview
Where E-series Routers Fit In
E-series Routers
ERX-14xx Models
ERX-7xx Models
ERX-310 Router
E-series Modules
Network Management Tools
Redundancy Features
E-series routers are modular, carrier-class networking devices that deliver
performance, reliability, and service differentiation to both business and consumer
Internet users. The ERX-7xx/14xx models offer high port density, low power
consumption, and fully redundant Internet access routing and edge aggregation.
The ERX-310 router supports the same services, but with smaller capacity and
scaling capabilities. E-series routers offer the complete edge solution for
IP-optimized carriers.
Communications with the router can take place over a variety of media. Figure 1
and Figure 2 illustrate the location of E-series routers as an edge router in an
end-to-end Internet network. In Figure 1, the customers are businesses using T1/T3
communication lines. In Figure 2, the customers are using digital subscriber lines
(DSLs) with a DSL access multiplexer (DSLAM).
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