T320 Re-600 Leds - Juniper Core Router T Series Hardware Manual

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T320 RE-600 LEDs

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Documentation
Copyright © 2018, Juniper Networks, Inc.
The PC Card can be used to copy Junos OS from the PC Card onto the Routing Engine.
You can also copy Junos OS from the Routing Engine onto a PC Card, for example, to
create a backup copy of upgrade software that you have obtained from Juniper
Networks. Instructions for copying software to a PC Card are available at the Juniper
Networks Support Web site (
to the Customer Support Center, then to the download page for Junos OS.
NOTE: The software on a PC Card is loaded only onto the Routing Engine
into which the PC Card is inserted. It is not automatically copied to the
other Routing Engine.
LED—Indicates disk activity for the internal IDE interface. It does not necessarily indicate
routing-related activity.
Interfaces for out-of-band management access—Provide information about
Routing Engine status to devices (console, laptop, or terminal server) that can be
attached to access ports located on the Connector Interface Panel (CIP).
Each Routing Engine has one 10/100 millions of packets per second (Mbps) Ethernet
port for connecting to a management network, and two asynchronous serial ports—one
for connecting to a console and one for connecting to a modem or other auxiliary device.
EEPROM—Stores the serial number of the Routing Engine.
Reset button—Reboots the Routing Engine when pressed.
T320 Routing Engine Description on page 33
T320 RE-600 LEDs on page 35
T320 Routing Engine Ports on page 39
Maintaining the T320 Routing Engines on page 276
T320 Routing Engine Interface Cable and Wire Specifications on page 103
The HD LED indicates activity on the hard drive. It does not necessarily indicate
routing-related activity.
NOTE: The LEDs that report host module status (including Routing Engine
status) are on the craft interface rather than the Routing Engine faceplate.
T320 RE-600 Description on page 34
T320 Craft Interface Host Subsystem LEDs on page 23
Maintaining the T320 Routing Engines on page 276
Chapter 5: Host Subsystem Components and Descriptions
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