Mx104 Boot Sequence; Mx104 Leds Overview; Alarm Leds On The Front Panel; Table 10: Management Leds - Juniper MX104 Hardware Manual

MX104 Boot Sequence

Related
Documentation

MX104 LEDs Overview

Alarm LEDs on the Front Panel

Copyright © 2014, Juniper Networks, Inc.
NOTE: The port labeled
Table 10 on page 23 describes the LEDs in more detail.

Table 10: Management LEDs

Name Location
Link Left
Activity Right
The MX104 router ships with Junos OS preinstalled and ready to be configured when the
router is powered on. One eight-GB internal NAND Flash memory (
drive. Two USB ports on the front panel accept USB storage devices (
that can also function as alternative boot devices.
When the router boots, it first attempts to start the image on the USB 0 flash memory
device, if present, then attempts to start the image on the USB 1 flash memory device, if
present. If a USB flash memory device is not inserted into either of the two slots on the
Routing Engine, or the attempt otherwise fails, the router next tries the active partition
on the NAND Flash device.
Maintaining the MX104 Routing Engines on page 76
Replacing an MX104 Routing Engine on page 104
Alarm LEDs on the Front Panel on page 23
System LED on the Front Panel on page 24
MIC LEDs on page 25
Power Supply LED on page 25
Routing Engine LEDs on page 25
Two LEDs, located to the right of the alarm contact port indicates major and minor alarms
for the router (see Figure 12 on page
Chapter 2: MX104 Hardware Components
is not supported.
AUX
Color State
Green On
Yellow On
– Off
Yellow Blinking
– Off
24).
Description
1000-Mbps link is online.
100-Mbps link is online.
10-Mbps link is online.
The port is receiving data.
The port is not receiving data.
da0 ) acts as the hard
and
usb0 usb1
)
23