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M7i Routing Engine LEDs

Four LEDs—A green LED labeled HDD, a blue LED labeled MASTER, a red LED labeled

FAIL, and a green LED labeled ONLINE indicate Routing Engine status. Table 3 on page 20

describes the LED states.

Table 3: States for Routing Engine LEDs

DescriptionStateColorLabel

There is read/write activity on the PC card.BlinkingGreenHDD

Routing Engine is functioning as master. On an M7i

router, this LED is always lit.

On steadilyBlueMASTER

Routing Engine is not operational.On steadilyRedFAIL

Routing Engine is running normally.On steadilyGreenONLINE

Documentation

M7i Routing Engine Description on page 17•

• M7i Router Description on page 3

• M7i Router Physical Specifications on page 74

• M7i Router Power Requirements on page 79

M7i Routing Engine RE-B-1800 Description

Figure 12: Routing Engine RE-B-1800

g006582

The Routing Engine RE-B-1800 has the following major components:

•

CPU—Runs Junos OS to maintain the router's routing tables and routing protocols. It

has Intel’s single core Jasper Forest processor.

•

USB port—Provides a removable media interface through which you can install the

Junos OS manually. Junos OS supports USB version 2.0.

•

DRAM—Provides storage for the routing and forwarding tables and for other Routing

Engine processes.

•

CompactFlash card—Provides primary storage for software images, configuration files,

and microcode. The CompactFlash card is field-replaceable.

M7i Multiservice Edge Router Hardware Guide

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