Cisco ASR 920-24SZ-IM Bedienungsanleitung
Installing the Router
This chapter describes how to install the Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M
Router.
•Prerequisites, on page 1
•Installing the Router in a Rack, on page 1
•Wall Mounting the Routers, on page 11
•Installing and Removing the Interface Module, on page 14
•Installing and Removing the Fan Tray, on page 18
•Installing the Power Supply, on page 22
•Installing and Removing SFP Modules, on page 34
•Connecting to the 10/100/1000 Ports, on page 38
•Installing the Chassis Ground Connection, on page 40
•Connecting a Router to the Network, on page 44
Prerequisites
Before installing the Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Router, it is important
to prepare for the installation by:
• Preparing the site (site planning) and reviewing the installation plans or method of procedures (MOP).
See Site Planning section.
• Unpacking and inspecting the Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Router.
See Receiving the Router section.
• Gathering the tools and test equipment required to properly install the Cisco ASR 920-24SZ-IM,
ASR-920-24SZ-M, ASR-920-24TZ-M Router. See Tools and Equipment section.
For more instructions on how to prepare for the installation of the Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M,
ASR-920-24TZ-M Router, see Chapter 2, Preparing for Installation.
Installing the Router in a Rack
The procedures in this section apply to both horizontal and vertical mounting of the router in a rack.
Installing the Router
1
Installing the Chassis Brackets
The chassis is shipped with mounting brackets that can be installed on the front or rear of the chassis. To
install the brackets on the front of the chassis, perform these steps:
Procedure
Step 1 Remove the rack-mount brackets from the accessory kit and position them beside the router chassis.
Step 2 Position one of the brackets against the chassis side, and align the screw holes.
19-inch EIA Rack
The following figures show how to attach the brackets at the front, middle, and rear positions on the Cisco
ASR-920-24SZ-IM Router for a 19-inch EIA rack.
Figure 1: Attaching Mounting Brackets to Cisco ASR-920-24SZ-IM Router for a 19-inch EIA Rack (Front, Middle, and Rear Positions)
Installing the Router
2
Installing the Router
Installing the Chassis Brackets
The following figures show how to attach the brackets at the front, middle, and rear positions on the Cisco
ASR-920-24SZ-M, ASR-920-24TZ-M Router for a 19-inch EIA rack.
Figure 2: Attaching Mounting Brackets to Cisco ASR-920-24SZ-M, ASR-920-24TZ-M Router for a 19-inch EIA Rack (Front, Middle, and
Rear Positions)
Installing the Router
3
Installing the Router
Installing the Chassis Brackets
23-inch Rack
The following figures show how to attach the brackets on the Cisco ASR-920-24SZ-IM Router for a 23-inch
rack.
Figure 3: Attaching Mounting Brackets to Cisco ASR-920-24SZ-IM Router for a 23-inch Rack (Front, Middle, and Rear Positions)
Installing the Router
4
Installing the Router
Installing the Chassis Brackets
The following figures show how to attach the brackets on the Cisco ASR-920-24SZ-M, ASR-920-24TZ-M
Router for a 23-inch rack.
Figure 4: Attaching Mounting Brackets to Cisco ASR-920-24SZ-M, ASR-920-24TZ-M Router for a 23-inch Rack (Front, Middle, and Rear
Positions)
Installing the Router
5
Installing the Router
Installing the Chassis Brackets
300-mm ETSI Rack
The following figures show how to attach the brackets on the Cisco ASR-920-24SZ-IM Router for a 300 mm
ETSI rack.
Figure 5: Attaching Mounting Brackets to Cisco ASR-920-24SZ-IM Router for a 300 mm ETSI Rack (Front, Middle, and Rear Positions)
Installing the Router
6
Installing the Router
Installing the Chassis Brackets
The following figures show how to attach the brackets on the Cisco ASR-920-24SZ-M, ASR-920-24TZ-M
Router for a 300 mm ETSI rack.
Figure 6: Attaching Mounting Brackets to Cisco ASR-920-24SZ-M, ASR-920-24TZ-M Router for a 300 mm ETSI Rack (Front, Middle, and
Rear Positions)
Installing the Router
7
Installing the Router
Installing the Chassis Brackets
Step 3 Secure the bracket to the chassis with the screws removed when performing Step 1. The recommended
maximum torque is 10 in.-lb.
Step 4 Repeat Step 3 for the other bracket.
Installing the Router Chassis in the Rack
Ensure adequate air flow when mounting the router in a rack. For more information, see the Air Flow Guidelines
section.
Note
Install the cable guides before installing the router in a 19-inch EIA rack. See Attaching the Cable Guides
section.
Note
To install the router chassis in the equipment rack, perform these steps:
Procedure
Step 1 Position the chassis in the rack as follows:
• If the front of the chassis (front panel) is at the front of the rack, insert the rear of the chassis between
the mounting posts.
• If the rear of the chassis is at the front of the rack, insert the front of the chassis between the mounting
posts.
Installing the Router
8
Installing the Router
Installing the Router Chassis in the Rack
Step 2 Align the mounting holes in the bracket (and optional cable guide) with the mounting holes in the equipment
rack.
The following figures show how to install the Cisco ASR-920-24SZ-IM Router in a 19-inch EIA rack.
Figure 7: Installing the Cisco ASR-920-24SZ-IM Router in a 19-inch EIA Rack
Figure 8: Installing the Cisco ASR-920-24SZ-M, ASR-920-24TZ-M Router in a 19-inch EIA Rac
Step 3 Install the four M6x12mm zinc-plated steel screws through the holes in the bracket and into the threaded holes
in the equipment rack posts.
Installing the Router
9
Installing the Router
Installing the Router Chassis in the Rack
Step 4 Use a tape measure and level to verify that the chassis is installed straight and level.
Attaching the Cable Guides
The Cisco ASR-920-24SZ-IM Router supports the following cable guides:
• A920-CBL-GUIDE (left and right)—help in routing the cables from all components on the front panel
thereby enabling a proper cable-bending radius.
If the chassis is mounted using 19-inch brackets, you must assemble the cable guides before installing the
chassis on the rack.
Note
To install the cable guides, perform these steps:
Procedure
Step 1 Position the cable guide-left and cable guide-right against the front of the chassis and align the four screw
holes, as shown in the figure for 19-inch rack and in the figure for other racks using standard kit.
Figure 9: Cable Guide Installation On Cisco ASR-920-24SZ-IM Router For 19-inch Rack Brackets
Installing the Router
10
Installing the Router
Attaching the Cable Guides
Dieses Handbuch passt für folgende Modelle
2
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