Cisco Systems OSR-7609 Manual De Usuario

This unit might have more than one power supply connection. All connections must be removed to 
de-energize the unit. Statement 1028

Only trained and qualified personnel should be allowed to install, replace, or service this equipment. 
Statement 1030

Hazardous voltage or energy is present on the backplane when the system is operating. Use caution 
when servicing. Statement 1034

This product requires short-circuit (overcurrent) protection, to be provided as part of the building 
installation. Install only in accordance with national and local wiring regulations. Statement 1045

When installing or replacing the unit, the ground connection must always be made first and 
disconnected last. Statement 1046

The following items are included in the upgrade kit:

One high speed fan tray

The high speed fan tray provides additional cooling for the Supervisor Engine 720 and the 
Supervisor Engine 32.

The high speed fan tray requires external power, either from the 3000 W AC-input power supply or 
from an external DC power source. The fan tray ships with power wires secured at each terminal 
block. Use these wires to connect the fan tray to the 3000 W AC-input power supply using the 
supplied cable, or remove them to connect to a DC power source.

One panel safety cover

The panel safety cover provides increased chassis airflow.

Two fan tray power cables (for AC-input systems)

The fan tray power cable provides a connection between the fan tray and the 3000 W AC-input 
power supply. Two cables are provided for systems with redundant power supplies. 

These tools are required to perform the installation:

Number 1 Phillips-head screwdriver

Number 2 Phillips-head screwdriver

Flat-blade screwdriver (for DC-input systems)