Brocade Communications Systems 7840 Quick user guide

53-1003127-02
13 October 2014
Brocade 7840 Extension
Switch
Hardware Reference Manual

© 2014, Brocade Communications Systems, Inc. All Rights Reserved.
Brocade, the B-wing symbol, Brocade Assurance, ADX, AnyIO, DCX, Fabric OS, FastIron, HyperEdge, ICX, MLX, MyBrocade, NetIron,
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of Brocade Communications Systems, Inc., in the United States and in other countries. Other brands and product names mentioned may be
trademarks of others.
Notice: This document is for informational purposes only and does not set forth any warranty, expressed or implied, concerning any
equipment, equipment feature, or service offered or to be offered by Brocade. Brocade reserves the right to make changes to this document
at any time, without notice, and assumes no responsibility for its use. This informational document describes features that may not be
currently available. Contact a Brocade sales office for information on feature and product availability. Export of technical data contained in
this document may require an export license from the United States government.
The authors and Brocade Communications Systems, Inc. assume no liability or responsibility to any person or entity with respect to the
accuracy of this document or any loss, cost, liability, or damages arising from the information contained herein or the computer programs that
accompany it.
The product described by this document may contain open source software covered by the GNU General Public License or other open
source license agreements. To find out which open source software is included in Brocade products, view the licensing terms applicable to
the open source software, and obtain a copy of the programming source code, please visit http://www.brocade.com/support/oscd.

Contents
Preface.....................................................................................................................................5
Document conventions......................................................................................5
Text formatting conventions.................................................................. 5
Command syntax conventions.............................................................. 5
Notes, cautions, and warnings.............................................................. 6
Brocade resources............................................................................................ 7
Contacting Brocade Technical Support.............................................................7
Document feedback.......................................................................................... 8
About This Document................................................................................................................ 9
Supported software........................................................................................... 9
What’s new in this document............................................................................ 9
Introducing the Brocade 7840 Extension Switch......................................................................11
Overview of Brocade 7840 Extension Switch................................................. 11
Brocade 7840 software features......................................................... 11
Brocade 7840 hardware features........................................................12
Brocade 7840 feature licensing...........................................................12
Port side of the switch..................................................................................... 13
Nonport side of the switch...............................................................................14
Switch management........................................................................................16
Installing and Configuring the Switch.......................................................................................19
Installation and safety considerations............................................................. 19
Installation Precautions................................................................................... 20
General precautions............................................................................20
Power Precautions.............................................................................. 20
Items included with the switch.........................................................................21
Setting up the Brocade 7840 as a standalone unit......................................... 21
Installing in an EIA rack...................................................................................22
Initial setup of the switch................................................................................. 22
Providing power to the switch............................................................. 23
Connecting to the switch using the serial connection......................... 23
Setting the switch IP address..............................................................24
Changing the switch name and chassis name....................................24
Creating an Ethernet connection.........................................................25
Setting the domain ID of the switch.....................................................25
Setting the date and time of the switch............................................... 25
Synchronizing local time with an external source............................... 26
Correcting the time zone of a switch................................................... 26
FCIP and Fibre Channel routing services configuration......................27
Installing transceivers and cabling the switch..................................... 27
Verifying correct operation and backing up the configuration............. 28
Recommendations for cable management..................................................... 30
Operating the Switch...............................................................................................................31
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LED activity................................................................................................... 31
LEDs on the port side of the Extension Switch................................. 31
LEDs on the nonport side of the switch............................................ 34
Interpreting POST results..............................................................................36
Switch maintenance......................................................................................36
Diagnostic tests.................................................................................36
Field-replaceable units......................................................................37
Powering off the switch................................................................................. 37
Removing and replacing transceivers...........................................................38
Time and items required................................................................... 38
Removing an SFP+ transceiver........................................................ 38
Replacing an SFP+ transceiver........................................................ 38
Removal and Replacement of Power Supplies and Fans.........................................................41
Removal and replacement introduction........................................................ 41
Before beginning replacement.......................................................... 41
Power supply removal and replacement.......................................................42
Determining the need to replace a power supply..............................42
Time and items required................................................................... 43
Replacing a power supply.................................................................43
Fan removal and replacement...................................................................... 44
Determining the need to replace a fan..............................................45
Time and items required................................................................... 45
Replacing a Brocade 7840 fan..........................................................45
Brocade 7840 Technical Specifications................................................................................ 47
Regulatory Statements..........................................................................................................55
BSMI statement (Taiwan)..............................................................................55
Canadian requirements.................................................................................55
CE Statement................................................................................................55
China CC statement......................................................................................56
FCC warning (US only)................................................................................. 56
Germany....................................................................................................... 57
KCC statement (Republic of Korea)..............................................................57
VCCI statement.............................................................................................57
Cautions and Danger Notices................................................................................................59
Cautions........................................................................................................59
Danger Notices............................................................................................. 61
Index.................................................................................................................................... 65
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Preface
● Document conventions......................................................................................................5
● Brocade resources............................................................................................................ 7
● Contacting Brocade Technical Support.............................................................................7
● Document feedback.......................................................................................................... 8
Document conventions
The document conventions describe text formatting conventions, command syntax conventions, and
important notice formats used in Brocade technical documentation.
Text formatting conventions
Text formatting conventions such as boldface, italic, or Courier font may be used in the flow of the text
to highlight specific words or phrases.
Format Description
bold text Identifies command names
Identifies keywords and operands
Identifies the names of user-manipulated GUI elements
Identifies text to enter at the GUI
italic text Identifies emphasis
Identifies variables and modifiers
Identifies paths and Internet addresses
Identifies document titles
Courier font Identifies CLI output
Identifies command syntax examples
Command syntax conventions
Bold and italic text identify command syntax components. Delimiters and operators define groupings of
parameters and their logical relationships.
Convention Description
bold text Identifies command names, keywords, and command options.
italic text Identifies a variable.
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Convention Description
value In Fibre Channel products, a fixed value provided as input to a command
option is printed in plain text, for example, --show WWN.
[ ] Syntax components displayed within square brackets are optional.
Default responses to system prompts are enclosed in square brackets.
{ x | y | z } A choice of required parameters is enclosed in curly brackets separated by
vertical bars. You must select one of the options.
In Fibre Channel products, square brackets may be used instead for this
purpose.
x | yA vertical bar separates mutually exclusive elements.
< > Nonprinting characters, for example, passwords, are enclosed in angle
brackets.
... Repeat the previous element, for example, member[member...].
\Indicates a “soft” line break in command examples. If a backslash separates
two lines of a command input, enter the entire command at the prompt without
the backslash.
Notes, cautions, and warnings
Notes, cautions, and warning statements may be used in this document. They are listed in the order of
increasing severity of potential hazards.
NOTE
A Note provides a tip, guidance, or advice, emphasizes important information, or provides a reference
to related information.
ATTENTION
An Attention statement indicates a stronger note, for example, to alert you when traffic might be
interrupted or the device might reboot.
CAUTION
A Caution statement alerts you to situations that can be potentially hazardous to you or cause
damage to hardware, firmware, software, or data.
DANGER
A Danger statement indicates conditions or situations that can be potentially lethal or
extremely hazardous to you. Safety labels are also attached directly to products to warn of
these conditions or situations.
Notes, cautions, and warnings
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Brocade resources
Visit the Brocade website to locate related documentation for your product and additional Brocade
resources.
You can download additional publications supporting your product at www.brocade.com. Select the
Brocade Products tab to locate your product, then click the Brocade product name or image to open the
individual product page. The user manuals are available in the resources module at the bottom of the
page under the Documentation category.
To get up-to-the-minute information on Brocade products and resources, go to MyBrocade. You can
register at no cost to obtain a user ID and password.
Release notes are available on MyBrocade under Product Downloads.
White papers, online demonstrations, and data sheets are available through the Brocade website.
Contacting Brocade Technical Support
As a Brocade customer, you can contact Brocade Technical Support 24x7 online, by telephone, or by e-
mail. Brocade OEM customers contact their OEM/Solutions provider.
Brocade customers
For product support information and the latest information on contacting the Technical Assistance
Center, go to http://www.brocade.com/services-support/index.html.
If you have purchased Brocade product support directly from Brocade, use one of the following methods
to contact the Brocade Technical Assistance Center 24x7.
Online Telephone E-mail
Preferred method of contact for non-
urgent issues:
•My Cases through MyBrocade
•Software downloads and licensing
tools
•Knowledge Base
Required for Sev 1-Critical and Sev
2-High issues:
• Continental US: 1-800-752-8061
• Europe, Middle East, Africa, and
Asia Pacific: +800-AT FIBREE
([phone])
• For areas unable to access toll
free number: [phone]
•Toll-free numbers are available in
many countries.
[email protected]
Please include:
• Problem summary
• Serial number
• Installation details
• Environment description
Brocade OEM customers
If you have purchased Brocade product support from a Brocade OEM/Solution Provider, contact your
OEM/Solution Provider for all of your product support needs.
• OEM/Solution Providers are trained and certified by Brocade to support Brocade® products.
• Brocade provides backline support for issues that cannot be resolved by the OEM/Solution Provider.
Brocade resources
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• Brocade Supplemental Support augments your existing OEM support contract, providing direct
access to Brocade expertise. For more information, contact Brocade or your OEM.
• For questions regarding service levels and response times, contact your OEM/Solution Provider.
Document feedback
To send feedback and report errors in the documentation you can use the feedback form posted with
the document or you can e-mail the documentation team.
Quality is our first concern at Brocade and we have made every effort to ensure the accuracy and
completeness of this document. However, if you find an error or an omission, or you think that a topic
needs further development, we want to hear from you. You can provide feedback in two ways:
• Through the online feedback form in the HTML documents posted on www.brocade.com.
• By sending your feedback to [email protected].
Provide the publication title, part number, and as much detail as possible, including the topic heading
and page number if applicable, as well as your suggestions for improvement.
Document feedback
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About This Document
● Supported software........................................................................................................... 9
● What’s new in this document............................................................................................ 9
Supported software
This document includes information specific to the Brocade 7840 running Brocade Fabric version OS
7.3 and later.
What’s new in this document
The following changes have been made since this document was last released:
• Added information about the SFPs included with the switch.
• Reorganized the table listing the weight specifications of the switch.
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What’s new in this document
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