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C H A P T E R

3-1

Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide

OL-21561-02

3

Installing the Switch

Revised: January 4, 2012

This chapter describes how to install the Catalyst 4948E switch in an equipment rack. 

•

Preparing to Install the Chassis, page 3-1

•

Rack-Mounting the Chassis, page 3-5

•

Installing the System Ground, page 3-10

•

Connecting Power to the Switch, page 3-12

•

Attaching the Interface Cables, page 3-15

•

Powering Up the Switch, page 3-21

Note

Before starting the installation procedures in this chapter, complete the site planning checklist in 

Chapter 2, “Preparing for Installation”

 to verify that all planning activities were completed.

Preparing to Install the Chassis

This section covers these topics:

•

Warnings, page 3-2

•

Verifying Package Contents, page 3-4

•

Required Tools, page 3-4

•

Lifting the Chassis Safely, page 3-5

Tip

For additional information about the Cisco Catalyst 4948E and the Catalyst 4948E-F switches (including 
configuration examples and troubleshooting information), see the documents listed on this page:

http://www.cisco.com/en/US/products/ps6021/tsd_products_support_series_home.html 

Summary of Contents for Catalyst 4948E

Page 1: ...1 Note Before starting the installation procedures in this chapter complete the site planning checklist in Chapter 2 Preparing for Installation to verify that all planning activities were completed Preparing to Install the Chassis This section covers these topics Warnings page 3 2 Verifying Package Contents page 3 4 Required Tools page 3 4 Lifting the Chassis Safely page 3 5 Tip For additional inf...

Page 2: ...l lock and key or other means of security and is controlled by the authority responsible for the location Statement 37 Warning This equipment is intended to be grounded Ensure that the host is connected to earth ground during normal use Statement 39 Warning Before working on equipment that is connected to power lines remove jewelry including rings necklaces and watches Metal objects will heat up w...

Page 3: ...regulations Statement 1045 Warning When installing or replacing the unit the ground connection must always be made first and disconnected last Statement 1046 Warning Invisible laser radiation may be emitted from disconnected fibers or connectors Do not stare into beams or view directly with optical instruments Statement 1051 Warning Installation of the equipment must comply with local and national...

Page 4: ...r 12 24 x 3 4 inch and four 10 32 x 3 4 inch Phillips machine screws for attaching the rack mount brackets to a rack Disposable ESD wrist strap Note A console cable is not provided in the accessory kit It can ordered as an option Required Tools To properly install the chassis you need the following tools and equipment No 1 Phillips screwdriver No 2 Phillips screwdriver 3 16 inch flat blade screwdr...

Page 5: ...Catalyst 4948E F Chassis Rack Mount and Cable Management Kits Kit Part Number Description 69 2037 xx Standard rack mount kit for both chassis Kit includes brackets and screws The kit ships with the chassis as part of the accessory kit Installation instructions are located in this chapter WS X4948E 19CNTR Center rack mount kit for 19 inch racks Kit includes brackets and screws The kit is available ...

Page 6: ...le data center environment and plan on using the optional modular ToR switch inlet duct kit Panduit model CDE2 you must install the rack mount brackets to the front of the chassis To install the rack mount brackets on the front sides of the chassis follow these steps Step 1 Remove the two rack mount brackets and eight M4 x 8 mm Phillips flat head screws from the accessory kit Step 2 Position one o...

Page 7: ...se a tape measure or a level to ensure that the chassis is installed level in the rack Step 3 Adjust the chassis up or down in the rack until two screw holes in each rack mount bracket ear are aligned with corresponding mounting holes in the equipment rack post Place a level on top of the chassis and verify that the chassis is not tilted in the equipment rack Step 4 While one person holds the chas...

Page 8: ...Figure 3 2 Installing the Chassis in the Rack Installing the Cable Guide Optional One cable guide is provided in the accessory kit The cable guide attaches to the rack mount bracket using a single M4 screw a threaded M4 hole is provided in the rack mount bracket The cable guide is designed to be used when the rack mount brackets are attached to the front of the chassis and can be attached to eithe...

Page 9: ...ovided See Figure 3 3 Figure 3 3 Installing the Cable Guide Installing the Catalyst 4948E F Switch Chassis with the Optional Panduit Air Duct Kit If you are installing the Catalyst 4948E F switch chassis in a data center that is configured as hot isle and cold isle you might need to install the Panduit Air Duct kit Model CDE2 The kit extends the air intake from the rear of the chassis to the front...

Page 10: ...und lug Note The grounding lug and the grounding lug screws are supplied as part of the accessory kit The grounding wire and the tools are not supplied as part of the accessory kit To attach the system ground wire to the ground lug and attach the lug to the grounding pad follow these steps Step 1 If you are using insulated wire use a wire stripping tool to remove approximately 0 75 inch 19 mm of t...

Page 11: ...alling the System Ground Figure 3 4 Installing the System Ground 1 Chassis grounding pad 4 M4 screws 2X 2 System ground lug 5 Adhesive label yellow Covers grounding pad 3 System ground wire 278168 INPUT OK OUTPUT OK PWR 540 AC 100 240VAC 7 3A 50 60 Hz INPUT OK OUTPUT OK PWR 540 AC 100 240VAC 7 3A 50 60 Hz 4 1 2 3 5 ...

Page 12: ...y bay and that the captive installation screw on the power supply is tight Verify that the AC power switch on the power supply is off Warning The plug socket combination must be accessible at all times because it serves as the main disconnecting device Statement 1019 Step 3 Remove the AC power cords from the accessory kit and verify that you have the correct ones for your locale If you are unsure ...

Page 13: ...tion process by attaching the interface cables to the chassis ports Connecting DC Source Power to the Switch Warning Before performing any of the following procedures ensure that power is removed from the DC circuit Statement 1003 Warning This unit is intended for installation in restricted access areas A restricted access area can be accessed only through the use of a special tool lock and key or...

Page 14: ... plastic safety cover from the DC input power supply terminal block Step 6 Attach the appropriate size and type of lugs to the source DC cables Either insulated crimp on spade lugs or insulated crimp on ring connectors can be used on the source DC cables They should be sized according to local and national installation requirements and electrical codes Note The wire should be sized according to lo...

Page 15: ... the Interface Cables This section covers attaching the interface cables to the chassis front panel connectors The section is divided into the following topics Connecting to the Downlink Ports page 3 16 Installing Uplink Port Transceivers and Cables page 3 16 Connecting to the Ethernet Management Port page 3 20 Connecting to the Console Port page 3 20 1 Attach the source DC leads to the power supp...

Page 16: ... transceivers can have three types of latching devices to secure an SFP transceiver in a port socket Figure 3 7 shows an SFP transceiver with a Mylar tab latch Figure 3 8 shows an SFP transceiver with an actuator button latch Figure 3 9 shows an SFP transceiver that has a bail clasp latch Determine which type of latch your SFP transceiver uses before following the installation and removal procedur...

Page 17: ... the SFP transceiver body to verify that you have the correct model for your network Step 4 Find the send TX and receive RX markings that identify the top side of the SFP transceiver Note On some SFP transceivers the TX and RX marking might be replaced by arrowheads pointing from the SFP transceiver connector transmit direction or TX and toward the connector receive direction or RX Step 5 Position...

Page 18: ...wn in Figure 3 11 Figure 3 11 Latching the SFP Transceiver Step 8 To verify that the SFP transceiver is seated and latched properly a Grasp the SFP transceiver as shown in Figure 3 12 and try to remove it without releasing the latch b If the SFP transceiver cannot be removed it is installed and seated properly If the SFP transceiver can be removed reinsert it and press harder with your thumb repea...

Page 19: ...efore making any connections See the Tip on this page for a pointer to a fiber optic inspection and cleaning white paper Always grasp the LC connector housing to plug or unplug a fiber optic cable Step 9 Remove the dust plugs from the network interface cable LC connectors Save the dust plugs for future use Step 10 Inspect and clean the LC connector s fiber optic end faces Tip For complete informat...

Page 20: ... used to download software to the switch or transfer files to remote servers for analysis or backup storage The typical connection to the Management Ethernet port uses an Ethernet cable with RJ 45 connectors at each end The other end of the cable typically connects to an Ethernet switch hub or router that provides connectivity between the multishelf system and networks from which system management...

Page 21: ...or terminal Step 2 Start a terminal emulation session Step 3 Configure the baud rate and character format of the PC or terminal to match these console port default characteristics 9600 baud 8 data bits 1 stop bit No parity None flow control Powering Up the Switch If your chassis has AC input power supplies installed follow these steps to power up the chassis Step 1 Switch the power supply power sw...

Page 22: ...pply verify that the front panel PS2 LED is also lit green If the LEDs are not green refer to the 300 W DC Input Power Supply PWR C49 300DC section on page A 12 for LED descriptions As the switch powers on it begins the POST which are a series of tests that run automatically to ensure that the switch functions properly The POST lasts approximately 1 minute After the POST is complete the SYSTEM LED...

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