Cisco 891 F Manual

 
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Figure 2-2 Antennas Oriented Vertically Up
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Figure 2-3 Antennas Oriented Vertically Down
Installing on a Table
To install the router on a table or other flat horizontal surface, firmly place the router on a table or other 
horizontal surface. Keep at least 1 inch (2.5 centimeters) of clear space beside the cooling inlet and 
exhaust vents.
Connect the chassis...

 
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NoteThe mounting holes are bidirectional. You can hang the router with the front bezel facing upwards or 
downwards.
TipWhen choosing a location for wall-mounting the router, consider cable limitations and wall structure.
To mount the router on a wall, follow these steps:
Step 1Anchor the screws into the wall,...

 
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Figure 2-5 Router Mounted on the Wall
Step 3Connect the chassis to a reliable earth ground. For the chassis ground connection procedures, see the 
“Installing the Router Ground Connection” section on page 2-10.
1Two number-10 wood screws mounted on the 
wall3Horizontal surface on which to place the 
power adapter...

 
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Installing in a Rack
The Cisco 890 series ISRs can be mounted in a rack. To install a Cisco 890 series ISR in a rack, follow 
these steps:
Step 1Remove the screws shown in Figure 2-6.
Figure 2-6 Screw Location
Step 2Using the screws provided, attach the rack-mount brackets to the Cisco 890 series ISR chassis as...

 
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WarningTo 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....

 
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Figure 2-8 Chassis Ground Connection Using Ring Terminal
Step 4Connect the other end of the ground wire to a known reliable earth ground point at your site. 
After you install and properly ground the router, you can connect the power wiring, the WAN and LAN 
cables, and the cables for administrative access as...

 
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CH A P T E R
 
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3
Connecting the Router
This chapter describes how to connect Cisco 860 series, Cisco 880 series, and Cisco 890 series 
Integrated Services Routers (ISRs) to Ethernet devices, Power over Ethernet (PoE), and the network. The 
chapter contains the following sections:
 Preparing to Connect the Router, page 3-2
 Connecting a PC, Server, or Workstation, page 3-3...

 
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NoteDepending on the features available for your router, some content in this chapter may not apply to your 
router.
Preparing to Connect the Router
Before you connect the router to the devices, install the router according to the instructions in Chapter 2, 
“Installing the Router.”
Preventing Damage to...