Juniper-networks ERX-1410 User Manual Page 27

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ERX System Modules
ERX Edge Routers
1-7
ERX System 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 Internet.
Each module connects to a corresponding I/O module via a passive
midplane. See Figure 1-7.
The front panel of each system module contains a collection of status
LEDs (light-emitting diodes). See Figure 1-8. For information about how
to interpret the LEDs, see Chapter 8, Troubleshooting.
Figure 1-7 Modules in the ERX-1400 series
Connection via
passive midplane
I/O modules I/O modulesSRP I/O module
Switch route processor (SRP)
with optional redundant SRP
Line modules
Line modules
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