Preparing For Installation; Powering Down The Router - Cisco CISCO10720 Installation And Configuration Manual

Preparing for Installation

Preparing for Installation

Please read the following instructions when preparing to remove an uplink card from the
Cisco 10720 Internet Router:
•
•
•
•
Go to the
procedure.

Powering Down the Router

Follow the steps in this section to power down the router and disconnect the site power.
If the cable-management cover is installed on the router, it must be removed in order to access the power
Step 1
switch. (See the
remove the cable-management tray until all cables are removed from the cards and power supply.
Figure 3-1
1
1
2
Use an ESD-preventive strap when disconnecting power leads on the router. See the
Caution
Electrostatic Discharge" section on page
Book Title
3-2
Powering Down the Router, page 3-2
Verifying That the Router Is Powered Down, page 3-4
Removing the Cable-Management System, page 3-4
Removing the Cable-Management System, page 3-4
"Powering Down the Router" section on page 3-2
" •Removing the Cable-Management System, page 3-4" section on page
AC and DC Power Supplies in the Off Position
IN O K
D C
O T F
IN O K
D C
O T F
2 3
Power on symbol (–)
Power off symbol (O)
Chapter 3
to continue the uplink card removal
IN O K
D C
O T F
IN O K
D C
O T F
3 AC power switch
4
DC power switch
2-4.
Installing and Removing the Uplink Cards
3-2.) Do not
4
"Preventing
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