Figure 11: Management Board for a QFX3500 Device
g050021
Management
ports
USB
port
Console
port
Fan modules
Chassis
status LEDs
LCD display
QFX3500-48S4Q
The management board contains the following components on the faceplate:
•
LCD panel—The LCD panel displays the device hostname and the number of active
alarms.
TIP: Alternatively, you can use the show chassis lcd CLI command to view
what is currently displayed on the LCD panel.
•
Chassis status LEDs
•
USB port
•
Console (CON) port (RJ-45)
•
Management (C0 and C1) ports
There are two types of management boards:
•
RJ-45 management board—Provides two 1000BASE-T RJ-45 management ports.
•
If you are using the QFX3500 device as a Node device in a QFabric system, see Cable
Specifications for Copper-Based Control Plane Connections for the QFabric System
for information about the required cables.
•
If you are using the QFX3500 device as a standalone switch,see “Cable Specifications
for Console and Management Connections for the QFX Series” on page 62 for
information about the required cables.
•
SFP management board—Provides two 1-Gbps small form-factor pluggable (SFP)
management ports. See “Determining Interface Support for the QFX3500 Device” on
page 59 for information about the supported transceivers and required cables.
In addition to the fan trays, two fan modules on the management board provide airflow
to cool the chassis. The management board provides FRU-side-to-port-side or
port-side-to-FRU-side airflow depending on the device model you purchase.
Table 8 on page 26 lists the different management boards and their direction of airflow.
The management boards are designed so that they can only be inserted into the QFX3500
model that supports the same airflow type.
25Copyright © 2017, Juniper Networks, Inc.
Chapter 2: Chassis Components and Descriptions
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