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Chapter 2      Preparing for Installation
Site Preparation Checklist
Table 2-2 Site-Planning Checklist
Task No. Planning Activity  Verified by Time Date
1 Space evaluation:
•Space and layout
•Floor covering
•Impact and vibration
•Lighting
•Maintenance access
2 Environmental evaluation:
•Ambient temperature
•Humidity
•Altitude
•Atmospheric contamination
•Airflow
3 Power evaluation:
•Input power type
•Receptacle proximity to the equipment
•Dedicated (separate) circuits for redundant 
power supplies
•UPS for power failures
4 Grounding evaluation:
•Circuit breaker size
5 Cable and interface equipment evaluation:
•Cable type
•Connector type
•Cable distance limitations
•Interface equipment (transceivers)
6 EMI evaluation:
•Distance limitations for signaling
•Site wiring
•RFI levels 
						

							  
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Chapter 2      Preparing for Installation
Site Preparation Checklist 
						

							CHAPTER
  
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3
Installing the Switch
Revised: October 2011
This chapter describes how to install Catalyst 4500 E-series switches in an equipment rack. The chapter 
contains the following sections:
•Installation Process, page 3-2
•Rack-Mounting Guidelines, page 3-2
•Unpacking the Switch, page 3-4
•Installing the Switch in a Rack, page 3-4
•Establishing the System Ground Connection, page 3-7
•Completing the Installation Process, page 3-9
Wa r n i n gThis 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 other means of security. 
Statement 1017
Wa r n i n gOnly trained and qualified personnel should be allowed to install, replace, or service 
this equipment. Statement 1030
Wa r n i n gTo prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using 
the handles on modules (such as power supplies, fans, or cards); these types of handles are not 
designed to support the weight of the unit. Statement 1032
NoteBefore starting the installation procedures in this chapter, complete the site-planning checklist in 
Ta b l e 2 - 2 of Chapter 2, “Preparing for Installation.”
NoteFor information on installing the supervisor engine and switching modules and verifying switch 
operation, see the Catalyst 4500 Series Module Installation Guide. For information on configuring the 
switching modules, see the software configuration guide for your switch and software release. 
						

							  
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Chapter 3      Installing the Switch
Installation Process
Installation Process
The process of installing the switch can be broken down into a series of tasks. These tasks are listed in 
Ta b l e 3 - 1.
TipFor additional information about the Cisco Catalyst 4500 E-series switches (including configuration 
examples and troubleshooting information), see the documents listed on this page:
http://www.cisco.com/en/US/products/hw/switches/ps4324/index.html
Rack-Mounting Guidelines
The Catalyst 4500 E-series switches are designed to be installed in both open and enclosed racks that 
meet ANSI/EIA-310-D and ETS 300 119-3 specifications. Before rack-mounting the switch, ensure that 
the equipment rack complies with the following guidelines:
•The width of the rack, measured between the two front-mounting strips or rails, must be 
17.75 inches (45.09 cm).
•The depth of the rack, measured between the front- and rear-mounting strips, must be at least 
19.25 inches (48.9 cm).
Table 3-1 Catalyst 4500 E-Series Switch Installation Process
Task Description
Unpacking the switch Remove the switch from the packaging materials.
NoteWe recommend that you save the packaging material for use 
later if you need to move the chassis from one site to 
another.
Installing the switch All Catalyst 4500 E-series chassis are designed to be rack-mounted. 
Connecting the chassis to system 
groundConstruct and attach a system ground wire from the building (earth) 
ground to the system ground point on the chassis.
Installing and cabling the power 
supply or suppliesNormally, one power supply is shipped installed in the chassis. The 
second power supply, if part of the switch configuration, is shipped 
separately. Install the second power supply and connect the power 
supplies to site source power, either AC or DC.
Cabling the supervisor engine 
and modules to the networkThe various ports on the supervisor engine and on the modules that 
are installed in the chassis must be connected to the network. This 
process can involve only attaching a network interface cable to the 
module port, or it can include the installation of a transceiver of 
some type in the supervisor engine or module port, and then 
attaching the network interface cable to the transceiver.
Powering up the chassis After completing the network cabling and making sure that system 
ground is connected, the power supplies can be turned on. The 
system powers up and runs through a set of built-in diagnostics. 
						

							  
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Chapter 3      Installing the Switch
Rack-Mounting Guidelines
NoteAll of the Catalyst 4500 E-series switch chassis are designed to install in standard 19-inch racks.
•The rack must have sufficient vertical clearance to insert the chassis. The chassis heights are as 
follows:
–Catalyst 4503-E switch—12.25 inches (31.12 cm) (7 RU)
–Catalyst 4506-E switch—17.38 inches (44.13 cm) (10 RU)
–Catalyst 4507R-E switch—19.15 inches (49 cm) (10 RU)
–Catalyst 4510R-E switch—24.35 inches (61.84 cm) (14 RU)
–Catalyst 4507R+E switch—19.15 inches (49 cm) (10 RU)
–Catalyst 4510R+E switch—24.35 inches (61.84 cm) (14 RU)
NoteChassis height is sometimes measured in rack units (RU or just U) where 1 RU or 1 U equals 1.75 in 
(44.45 mm). A typical server rack is 42 RU or 42 U in height.
CautionIf the equipment rack is on wheels, ensure that the brakes are engaged and that the rack is stabilized.
NoteTo maintain proper air circulation through the Catalyst switch chassis, we recommend that you maintain 
a minimum 6-inch (15 cm) separation between a wall and the chassis air intake or a wall and the chassis 
air exhaust. You should also allow a minimum separation of 12 inches (30.5 cm) between the hot air 
exhaust on one chassis and the air intake on another chassis. Failure to maintain adequate air space can 
cause the chassis to overheat and the system to fail. 
Wa r n i n gTo prevent bodily injury when mounting or servicing this unit in a rack, you must take special 
precautions to ensure that the system remains stable. The following guidelines are provided to 
ensure your safety:
• This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
• When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the 
heaviest component at the bottom of the rack.
• If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit 
in the rack. 
Statement 1006 
						

							  
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Chapter 3      Installing the Switch
Unpacking the Switch
Unpacking the Switch
To check the contents of the shipping cartons, follow these steps:
St e p 1Check the contents of the accessories box against the accessories box components checklist and the 
packing slip that were included with your switch. Verify that you received all listed equipment, including 
the following: 
•Rack-mount kit, cable guide kit, and system ground kit
•Optional equipment that you ordered, such as network interface cables, transceivers, or special 
connectors
St e p 2Check the switching modules in each slot. Verify that the configuration matches the packing list and that 
all the specified interfaces are included.
St e p 3Verify that the L brackets are securely attached to the ides of the chassis.
NoteDo not discard the shipping cartons and poly bag when you unpack the switch. Flatten and store them. 
You will need the containers if you need to move or ship the switch in the future. Repacking instructions 
are provided in Appendix B, “Repacking a Switch.”
Installing the Switch in a Rack
A rack-mount kit is included for mounting the switch in a standard 19-inch (48.3 cm) equipment rack 
with two unobstructed outer posts, with a nominal depth (between the front and rear mounting posts) of 
19.25 inches (48.9 cm) and a maximum depth of 32 inches (81.3 cm). This kit is not suitable for racks 
with obstructions (such as a power strip) that could impair access to the field-replaceable units (FRUs) 
of the switch.
Determine if the rack post holes are prethreaded or unthreaded. If the rack post holes are unthreaded, 
you need to install 12-24 clip-nuts or cage-nuts over the rack post holes to accept the installation screws.
NoteClip-nuts or cage-nuts are not included as part of the accessory kit that comes with the chassis. 
You must obtain them yourself.
Required Installation Tools
You will need the following tools and equipment to install the chassis in a rack:
•Number 1 and number 2 Phillips-head screwdrivers to tighten the captive installation screws on most 
systems
•3/16-inch flat-blade screwdriver for the captive installation screws on the supervisor engine and 
switching modules on some systems
•Antistatic mat or antistatic foam in case you need to remove switching modules to troubleshoot the 
installation
•Rack-mount kit 
						

							  
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Chapter 3      Installing the Switch
Installing the Switch in a Rack
•Tape measure 
•Level
•Your own electrostatic discharge (ESD) grounding strap or the disposable ESD strap included with 
the system
Installing the Catalyst 4500 E-Series Switches in a Rack
To install a Catalyst 4500 E-series switch in an equipment rack, follow these steps:
St e p 1Place the chassis on the floor or on a sturdy table near the rack.
St e p 2Use a tape measure to verify the interior dimensions of the rack: 
•Measure the depth of the rack from the outside of the front mounting posts to the outside of the rear 
mounting strip. The depth must be at least 19.25 inches (48.9 cm) but not greater than 32 inches 
(81.3 cm). 
•Measure the space between the inner edges of the left front and right front mounting posts to ensure 
that it is 17.75 inches (45.09 cm) wide. (The chassis is 17.25 inches [43.8 cm] wide and must fit 
between the mounting posts.)
St e p 3Carefully lift the chassis and position the rear of the chassis between the equipment rack mounting posts 
and slide the chassis into the rack until the L brackets on the sides of the chassis are flush with the 
equipment rack front posts. (See Figure 3-1.)
NoteFigure 3-1 illustrate the installation of a Catalyst 4506-E switch. The other Catalyst 4500 
E-series switches are installed in the equipment rack the same way.
St e p 4Align the mounting holes in the L bracket with the mounting holes in the equipment rack posts. Use a 
tape measure and level to ensure that the chassis is positioned in the rack straight and level. If necessary, 
install at least six clip-nuts or cage-nuts (three per side) on the rack post to receive the installation 
screws.
St e p 5Secure the chassis using at least six (three per side) 12-24 x 3/4-inch screws through the elongated holes 
in the L bracket and into the threaded holes in the mounting post (or the clip-nuts or cage-nuts). 
						

							  
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Chapter 3      Installing the Switch
Installing the Switch in a Rack
Figure 3-1 Installing the Switch in the Rack (Catalyst 4506-E Switch Shown)
a.
Attach the cable guide, if needed, using the M3 screws provided in the cable management kit. The 
cable guide attaches to prethreaded holes in either L bracket. (See Figure 3-2.)
NoteWe recommend that you attach the cable guide to the right side of the switch chassis to prevent 
the network interface cables from obscuring switching module front panel LEDs. 
231371
4506 
						

							  
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Chapter 3      Installing the Switch
Establishing the System Ground Connection
Figure 3-2 Attaching the Cable Guide to the Chassis (Catalyst 4506-E Switch Shown)
St e p 6
Verify that on all installed supervisor engines and switching modules, the ejector levers are completely 
closed and that the captive installation screws are tight.
Establishing the System Ground Connection
The system (NEBS) ground provides additional grounding for EMI shielding requirements and 
grounding for the low voltage supplies (DC-DC converters) on the modules and is intended to satisfy the 
Telcordia Technologies NEBS requirements for supplemental bonding and grounding connections.
Proper grounding practices ensure that the buildings and the installed equipment within them have 
low-impedance connections and low-voltage differentials between chassis. When you include 
NEBS-compliant system grounds, you reduce or prevent shock hazards, greatly reduce the chances of 
equipment damage due to transients, and substantially reduce the potential for data corruption. 
Without proper and complete system grounding, you run the risk of increased component damage due to 
ESD. Additionally, you have a greatly increased chance of data corruption, system lockup, and frequent 
system reboot situations by not using a system (NEBS compliant) ground. 
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Chapter 3      Installing the Switch
Establishing the System Ground Connection
Required Tools and Parts
To connect the system ground, you need the following tools and parts:
•Grounding lug—A two-hole standard barrel lug that supports up to 6 AWG wire. The grounding lug 
is upplied as part of accessory kit.
•Grounding screws—Two M4 x 8 mm (metric) pan-head screws that are supplied as part of the 
accessory kit.
•Grounding wire—Not supplied as part of the accessory kit. The grounding wire should be sized 
according to local and national installation requirements. Depending on the power supply and 
system, a 12 AWG to 6 AWG copper conductor is required for U.S. installations. Commercially 
available 6 AWG wire is recommended. The length of the grounding wire depends on the proximity 
of the switch to proper grounding facilities. 
•No. 1 Phillips-head screwdriver.
•Crimping tool to crimp the grounding wire to the grounding lug.
•Wire-stripping tool to remove the insulation from the grounding wire.
Connecting System Ground
CautionInstallations that rely solely on system grounding using only an AC third-prong ground run a 
substantially greater risk of equipment problems and data corruption than those installations that use 
both the AC third-prong ground and a properly installed system (NEBS compliant) ground.
To attach the grounding lug and cable to the grounding pad, follow these steps:
St e p 1Use a wire-stripping tool to remove approximately 0.75 inch (19 mm) of the covering from the end of 
the grounding wire.
St e p 2Insert the stripped end of the grounding wire into the open end of the grounding lug. 
St e p 3Crimp the grounding wire in the barrel of the grounding lug. Verify that the ground wire is securely 
attached to the ground lug by holding the ground lug and gently pulling on the ground wire.
St e p 4Locate and remove the adhesive label covering the system grounding pad on the switch chassis. (See 
Figure 3-3.)
NoteAll Catalyst 4500 E-series chassis have the system ground pad in the same location.