Monitoring Chassis Power
Chassis and Power Supplies
page 2-18
OmniSwitch 7700/7800 Hardware Users Guide
April 2005
Example 1: Adequate Power to Add a Module
1
First, enter the
show chassis
command. A screen similar to the following displays:
-> show chassis
Model Name: OSR-F80,
Description: OSR-F80,
Part Number: 901748-ÿÿÿ
Hardware Revision: 202,
Serial Number: 1467014A,
Manufacture Date: NOV 16 2001,
Admin Status: POWER ON,
Operational Status: UP,
Free Slots: 9,
Power Left: 535,
Number Of Resets: 2
Note that the “Power Left” field in the table output shows 535. This value, displayed in watts, indicates
that 535 watts are available for additional hardware (e.g., CMM and NI modules).
2
Next, tabulate the power requirements for all modules to be added. For example, let’s say that the
following modules are to be added to the chassis:
•
OS7800-CMM (88 watts)
•
OS7-ENI-FM12 (37 watts)
•
OS7-ENI-FM12 (37 watts)
•
OS7-ENI-FM12 (37 watts)
•
OS7-GNI-U12 (48 watts)
The total power required for all incoming modules is 247 watts. Even after the 247 watts are allocated to
the incoming modules, the chassis will retain 288 unused watts. The modules listed above can be safely
added to the chassis.
3
After the modules have been installed, re-enter the
show chassis
command to confirm the results:
-> show chassis
Model Name: OSR-F80,
Description: OSR-F80,
Part Number: 901748-ÿÿÿ
Hardware Revision: 202,
Serial Number: 1467014A,
Manufacture Date: NOV 16 2001,
Admin Status: POWER ON,
Operational Status: UP,
Free Slots: 5,
Power Left: 288,
Number Of Resets: 2
As shown in the display, there are 288 watts of unused power in the chassis power supply budget. In this
scenario, there was adequate power to add all NI modules, as well as the OS7800-CMM.
