Juniper-networks E-Series Manual do Utilizador descarregar pdf (Página 32)

CHAPTER 1

E-Series Overview

1-10

E-Series Modules

The system supports an SRP module and a selection of line modules. You

can use any line module for access or uplink. Access line modules receive

traffic from low-speed circuits, and the system routes the traffic onto

higher-speed uplink line modules and then to the core of the network.

Each module connects to a corresponding I/O module via a passive

midplane. See Figure 1-11.

The front panel of each module contains a collection of status LEDs

(light-emitting diodes). For information about how to interpret the LEDs,

see Chapter 10, Troubleshooting.

Figure 1-11 Modules in ERX-14xx model

I/O modules

SRP I/O

module

Line modules

SRP modules

Connection via

passive midplane

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Juniper-networks E-Series Manual do Utilizador Página 32