M7I Routing Engine Leds; M7I Routing Engine Re-B-1800 Description; Figure 12: Routing Engine Re-B-1800; Table 3: States For Routing Engine Leds - Juniper M7i Hardware Manual

M7i Multiservice Edge Router Hardware Guide

M7i Routing Engine LEDs

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M7i Routing Engine RE-B-1800 Description

20
Four LEDs—A green LED labeled
, and a green LED labeled
FAIL
describes the LED states.

Table 3: States for Routing Engine LEDs

Label Color
Green
HDD
Blue
MASTER
FAIL Red
ONLINE Green
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

Figure 12: Routing Engine RE-B-1800

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.
, a blue LED labeled
HDD
indicate Routing Engine status.
ONLINE
State Description
Blinking There is read/write activity on the PC card.
On steadily Routing Engine is functioning as master. On an M7i
router, this LED is always lit.
On steadily Routing Engine is not operational.
On steadily Routing Engine is running normally.
, a red LED labeled
MASTER
Table 3 on page 20
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