Cisco NCS 4016 Manuale utente
Securing the Chassis
This chapter describes how to secure the Cisco NCS 4016 chassis in the rack.
To install two Cisco NCS 4016 chassis in a single rack, you will need to have a minimum vertical opening
of 48 RU. If you are using the DC Power Front Connection Adapter, only one chassis will fit into the rack.
Note
•Preparing the Rack for Chassis Installation, on page 1
•Preparing to Mount the Chassis in a Rack, on page 3
•Mounting the Chassis into a Rack, on page 17
•Attaching the Chassis Door, on page 22
•Unpacking Chassis Component Shipping Pallets, on page 22
Preparing the Rack for Chassis Installation
Install the Cisco NCS 4016 chassis into one of the following standard racks:
• ANSI 19-inch or 23-inch (2- or 4-post)
• ETSI
For the ANSI 19-inch rack, the minimum front opening must be 17.72 inches (450 mm) to allow for chassis
insertion.
Note
If you are installing a single chassis in a rack, the chassis must go in the middle or bottom portion of the rack
or follow your company chassis mounting practices.
At the bottom of the rack, keep 1 rack unit free to allow for removal of the bottom fan tray.
Note
To bolt the rack to the floor, a floor bolt kit (also called an anchor embedment kit ) is required. For information
on bolting the rack to the floor, consult a company that specializes in floor mounting kits (such as Hilti; see
Hilti.com for details). Make sure that floor mounting bolts are accessible, especially if annual re-torquing of
bolts is required.
Securing the Chassis
1
Figure 1: Single Cisco NCS 4016 Chassis Mounted in Rack
Before you move the chassis or mount the chassis into the rack, we recommend that you do the following:
SUMMARY STEPS
1. Place the rack where you plan to install the Cisco NCS 4016 chassis.
2. Secure the rack to the floor.
Securing the Chassis
2
Securing the Chassis
Preparing the Rack for Chassis Installation
DETAILED STEPS
Step 1 Place the rack where you plan to install the Cisco NCS 4016 chassis.
Step 2 Secure the rack to the floor.
The chassis should be mounted on a rack that is permanently affixed to the building. Statement 1049
Warning
Preparing to Mount the Chassis in a Rack
Before you mount the Cisco NCS 4016 chassis into a rack, it is critical that the installation site be prepared
properly to handle the chassis weight, power requirements, cooling needs, and other requirements.
Because a fully-configured chassis weight can be up to 412 lb (187 kg), you should review the rack
specifications from the manufacturer to determine whether the racks you have are appropriate to handle the
weight of the chassis. For specifications on the chassis, see the Cisco Network Convergence System 4000
Series Hardware Installation Guide .
To avoid tipping the chassis and possible injury when installing it, take care to properly position the chassis
in the rack when you are mounting it.
Caution
Before mounting the chassis in the rack, perform the following steps:
Installing the Mounting Brackets
This section explains how to install the top and bottom mounting brackets for the specific type of rack you
are using.
• For 2-post ANSI racks, the brackets are installed in the middle position.
• For 4-post ANSI racks and ETSI cabinets, the brackets are installed in the front position.
Securing the Chassis
3
Securing the Chassis
Preparing to Mount the Chassis in a Rack
Figure 2: Positioning for Mounting Bracket Installation
Top bracket area, front position2Top bracket area, middle position1
Bottom bracket area, front position4Bottom bracket area, middle position3
Prerequisites
Make sure that you have the correct type of mounting brackets to suit your rack type. There are three different
types of mounting brackets for the three types of racks (ANSI 19-inch or 23-inch or ETSI).
Securing the Chassis
4
Securing the Chassis
Installing the Mounting Brackets
Required Tools and Equipment
• Number 1 Phillips screwdriver
• Cisco NCS 4016 installation kit (NCS4K-INST-KIT=)
Installing the Mounting Brackets
To attach the mounting brackets, simply fix each bracket onto the chassis using six screws as shown in the
figure, below.
Figure 3: Attaching Chassis Mounting Brackets
Various types of bracket installation are shown in these illustrations:
Securing the Chassis
5
Securing the Chassis
Installing the Mounting Brackets
Figure 4: Attaching ANSI 19-Inch Brackets to Front (4-Post Rack) or Middle (2-Post Rack)
Securing the Chassis
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Securing the Chassis
Installing the Mounting Brackets
Figure 5: Attaching ANSI 23-Inch Brackets to Front (4-Post Rack) or Middle (2-Post Rack)
Securing the Chassis
7
Securing the Chassis
Installing the Mounting Brackets
Figure 6: Attaching ETSI Brackets to Front
Installing the Aid Brackets
This section explains how to install the aid brackets onto the rack. The aid brackets hold the weight of the
chassis while you secure it in the rack.
Prerequisites
Identify the position of the chassis inside the rack to define the aid brackets position.
Required Tools and Equipment
• Number 1 Phillips screwdriver
• Cisco NCS 4016 installation kit (NCS4K-INST-KIT=)
Steps
SUMMARY STEPS
1. Attach the aid brackets to the rack below where the chassis will sit. Tighten the two screws to firmly attach
the brackets to the rack.
2. Once the chassis has been installed, remove the aid brackets. Loosen the two screws from the aid brackets
and take off the rack.
DETAILED STEPS
Step 1 Attach the aid brackets to the rack below where the chassis will sit. Tighten the two screws to firmly attach the brackets
to the rack.
Securing the Chassis
8
Securing the Chassis
Installing the Aid Brackets
Figure 7: Attaching Aid Brackets to the Rack
Step 2 Once the chassis has been installed, remove the aid brackets. Loosen the two screws from the aid brackets and take off
the rack.
Keep the aid brackets in case of future chassis relocation.
Tip
Securing the Chassis
9
Securing the Chassis
Installing the Aid Brackets
What to do next
To accommodate equipment racks with different mounting hole patterns, the aid brackets have groups of
screw holes on either side.
The mounting holes in the aid brackets are spaced so that one mounting hole in each hole group aligns with
a corresponding hole in the equipment rack. By using the corresponding mounting hole (in the same hole
group) on the opposite side of the rack, you can keep both the aid brackets leveled.
When you are installing the chassis in a rack, leave the filler cards in place to provide the chassis with enough
support to keep it square during the procedure.
Caution
Because of the chassis size and weight, it is unsafe to lift the chassis without mechanical assistance.
Caution
Removing the Chassis Door
Before installing the chassis in a rack, remove the front door of the chassis to ensure that the door is not
damaged in any way.
Required Tools and Equipment
• ESD-preventive wrist strap
• Number 2 Phillips screwdriver, medium and small slot-head screwdrivers
Steps
SUMMARY STEPS
1. Turn the knob to unlock the door.
2. Open the door.
3. Loosen the screw to disconnect the ground cable.
4. Move down the pin to release the door from the chassis hinge.
5. Move up the door to release the bottom hinge pin.
DETAILED STEPS
Step 1 Turn the knob to unlock the door.
Securing the Chassis
10
Securing the Chassis
Removing the Chassis Door
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