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Catalyst 4900 Family Center Rack-Mount Kits

Installation Note

Revised: January 19, 2011

This installation note contains instructions on how to install the Catalyst 4900 family of switch chassis

in a telco-style rack using one of the five center rack-mount kits listed in Table 1.

Note Use these kits in place of the standard rack-mount brackets shipped with the chassis when center

rack-mounting the switch in a telco-style rack.

For a complete description of switch hardware installation, safety, and maintenance procedures, refer to

the appropriate hardware installation guide for your chassis. See the “Related Documentation” section

on page 19.

Table 1 Catalyst 4900 Family Center Rack-Mount Kits

Kit Part Number Chassis Supported Description

WS-X4948-19CNTR= Catalyst 4948, Catalyst 4948-10GE,

Cisco ME 4924-10GE,

Catalyst 4928-10GE

19-inch center rack-mount kit

WS-X4948-23CNTR= Catalyst 4948, Catalyst 4948-10GE,

Cisco ME 4924-10GE,

Catalyst 4928-10GE

23-inch center rack-mount kit

WS-X4948E-19CNTR= Catalyst 4948E, Catalyst 4948E-F 19-inch center rack-mount kit

WS-X4948E-23CNTR= Catalyst 4948E, Catalyst 4948E-F 23-inch center rack-mount kit

WS-X4900M-23CNTR= Catalyst 4900M 23-inch center rack-mount kit

Summary of content (20 pages)

PAGE 1
Catalyst 4900 Family Center Rack-Mount Kits Installation Note Revised: January 19, 2011 This installation note contains instructions on how to install the Catalyst 4900 family of switch chassis in a telco-style rack using one of the five center rack-mount kits listed in Table 1.
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Contents Contents This installation note is divided into the following topics: • Warnings, page 2 • Tools Required, page 7 • Installing the WS-X4948-19CNTR= or the WS-X4948-23CNTR= Center Rack-Mount Kits, page 8 • Installing the WS-X4948E-19CNTR= or the WS-X4948E-23CNTR= Center Rack-Mount Kits, page 11 • Installing the WS-X4900M-23CNTR= Center Rack-Mount Kit, page 15 • Related Documentation, page 19 Warnings Throughout this publication, safety warnings appear in procedures that may harm you if
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Warnings Varoitus TÄRKEITÄ TURVALLISUUSOHJEITA Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien lausuntonumeroiden avulla.
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Warnings Aviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA Este símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos perigos envolvidos no manuseio de circuitos elétricos e familiarize-se com as práticas habituais de prevenção de acidentes.
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Warnings Aviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA Este símbolo de aviso significa perigo. Você se encontra em uma situação em que há risco de lesões corporais. Antes de trabalhar com qualquer equipamento, esteja ciente dos riscos que envolvem os circuitos elétricos e familiarize-se com as práticas padrão de prevenção de acidentes. Use o número da declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham o dispositivo.
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Warnings Catalyst 4900 Family Center Rack-Mount Kits Installation Note 6 OL-23774-01
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Tools Required Tools Required You need the following tools to install the center rack-mount kits on the chassis and to mount the chassis in the equipment rack: • No. 2 Phillips screwdriver • No.
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Installing the WS-X4948-19CNTR= or the WS-X4948-23CNTR= Center Rack-Mount Kits Installing the WS-X4948-19CNTR= or the WS-X4948-23CNTR= Center Rack-Mount Kits The WS-X4948-19CNTR= center rack-mount kit for 19-inch equipment racks and the WS-X4948-23CNTR= center rack-mount kit for 23-inch equipment racks can be installed only on the following four chassis: Caution • Catalyst 4948 switch • Catalyst 4948-10GE switch • Catalyst 4928-10GE switch • Cisco ME 4924-10GE switch The center rack-mount bracket
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Installing the WS-X4948-19CNTR= or the WS-X4948-23CNTR= Center Rack-Mount Kits Installing the WS-X4948-19CNTR= or the WS-X4948-23CNTR=Center Rack-Mount Kit To install either the 19-inch or the 23-inch center rack-mount kit on the appropriate switch, follow these steps: Step 1 Place the switch chassis on an antistatic work surface.
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Installing the WS-X4948-19CNTR= or the WS-X4948-23CNTR= Center Rack-Mount Kits Step 10 While one person holds the chassis in place, secure the chassis to the equipment rack posts with either the four 10-32 x 3/4-inch or the four 12-24 x 3/4-inch Phillips-head machine screws (two on each side) that are supplied in the accessory kit. Note If the equipment rack post-mounting holes are not threaded, you need to obtain the proper size cage-nuts to secure the center rack-mount mounting screws in place.
PAGE 11
Installing the WS-X4948E-19CNTR= or the WS-X4948E-23CNTR= Center Rack-Mount Kits Installing the WS-X4948E-19CNTR= or the WS-X4948E-23CNTR= Center Rack-Mount Kits The WS-X4948E-19CNTR= center rack-mount kit for 19-inch equipment racks and the WS-X4948E-23CNTR= center rack-mount kit for 23-inch equipment racks can be installed only on the Catalyst 4948E or the Catalyst 4948E-F switch chassis. Note The Catalyst 4948E and the Catalyst 4948E-F differ in the direction of the airflow through the chassis.
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Installing the WS-X4948E-19CNTR= or the WS-X4948E-23CNTR= Center Rack-Mount Kits Figure 5 Removing the Standard Rack-Mount Brackets 2 1 2 1 1 2 1 M4 screws (4 screws per bracket) 1 2 207508 2 Standard 19-inch rack-mount bracket Step 3 Verify that you have the correct center rack-mount kit for your chassis and for the equipment rack size. Step 4 Open your center rack-mount kit and inventory the contents. See Table 3 for the kit contents and quantities.
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Installing the WS-X4948E-19CNTR= or the WS-X4948E-23CNTR= Center Rack-Mount Kits Figure 6 Installing the Center Rack-Mount Brackets on the Chassis 2 1 Step 9 M4 screws (4 screws per bracket) 2 Center rack-mount bracket Have one person carefully lift and position the chassis in the equipment rack so that the center rack-mount bracket ears are in contact with the rack posts.
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Installing the WS-X4948E-19CNTR= or the WS-X4948E-23CNTR= Center Rack-Mount Kits Figure 7 Mounting the Chassis in the Equipment Rack 1 2 2 1 Equipment rack post 208737 1 2 12-24 or 10-32 screws (2 per bracket) Step 12 If you want to install the optional cable guide bracket, position the bracket against either the left- or right-side threaded hole in the center rack-mount bracket as shown in Figure 8. Secure the cable guide bracket in place with one M4 screw.
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Installing the WS-X4900M-23CNTR= Center Rack-Mount Kit Installing the Optional Cable Guide to the Center Rack-Mount Bracket 208738 Figure 8 Installing the WS-X4900M-23CNTR= Center Rack-Mount Kit The WS-X4900M-23CNTR= center rack-mount kit for 23-inch equipment racks can be installed only on the Catalyst 4900M switch chassis. Note The Catalyst 4900M center rack-mount brackets can be installed on the chassis in the forward direction only.
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Installing the WS-X4900M-23CNTR= Center Rack-Mount Kit Table 4 WS-X4900M-23CNTR= Kit Contents Kit Contents WS-X4900M-23CNTR= • One left-side 23-inch center rack-mount bracket (stamped L) • One right-side 23-inch center rack-mount bracket (stamped R) • Four 10-32 x 0.75-inch screws • Four 12-24 x 0.75-inch screws • Twelve M4 x 0.
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Installing the WS-X4900M-23CNTR= Center Rack-Mount Kit Step 3 Verify that you have the correct center rack-mount kit for your chassis. Step 4 Open your center rack-mount kit and inventory the contents. See Table 4 for the kit contents and quantities. Step 5 Position the left bracket (stamped L) against the left side of the chassis with the bracket’s six mounting holes aligned with the mounting holes in the chassis as shown in Figure 10. Step 6 Secure the bracket in place with six M4 mounting screws.
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Installing the WS-X4900M-23CNTR= Center Rack-Mount Kit Mounting the Catalyst 4900M Chassis in the Equipment Rack 208740 Figure 11 Step 11 If you want to install the optional cable guide bracket, position the cable guide against the two threaded holes in either the left- or right-side center rack-mount bracket as shown in Figure 12 and secure the cable guide bracket in place with two M4 screws provided with the cable guide bracket.
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Related Documentation Installing the Optional Cable Guide to the Center Rack-Mount Bracket 208741 Figure 12 Related Documentation Table 5 lists the publications that contain the complete Catalyst 4900 switch chassis installation procedures.
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Related Documentation This document is to be used in conjunction with the documents listed in the “Related Documentation” section. Cisco and the Cisco Logo are trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and other countries. A listing of Cisco's trademarks can be found at www.cisco.com/go/trademarks. Third party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company.