User guide

Contents
iv OmniSwitch 7700/7800 Hardware Users Guide April 2005
Checking Chassis Power Before Adding a Module ...............................................2-17
Example 1: Adequate Power to Add a Module ...............................................2-18
Example 2: Inadequate Power to Add a Module .............................................2-19
Checking Chassis Power Before Shutting Off or Removing a Power Supply .......2-21
Example 1: Adequate Power to Remove a Power Supply ..............................2-21
Example 2: Inadequate Power to Remove a Power Supply ............................2-22
Adding a Power Supply ..........................................................................................2-22
Hot Swapping a Power Supply ...............................................................................2-22
Permanently Removing a Power Supply ................................................................2-22
Power Supply Redundancy ...........................................................................................2-23
Redundancy Defined ..............................................................................................2-23
Installing a Power Supply .............................................................................................2-24
Removing a Power Supply .....................................................................................2-26
Power Cords ..................................................................................................................2-27
Redundant AC Circuit Recommendation ......................................................................2-28
Grounding the Chassis ...........................................................................................2-29
Temperature Management ............................................................................................2-29
Temperature Errors ..........................................................................................2-30
Chassis Fan Tray ...........................................................................................................2-31
Monitoring Fan Tray Status .............................................................................2-32
Fan Redundancy ..............................................................................................2-32
Hot Swapping the Fan Tray .............................................................................2-32
Removing the Fan Tray ...................................................................................2-33
Installing the New Fan Tray ............................................................................2-34
Chassis Airflow .............................................................................................................2-35
Power Supply Fans .................................................................................................2-37
Blank Cover Panels and Chassis Airflow ..............................................................2-38
Managing MAC Addresses on the Switch ....................................................................2-39
MAC Range Guidelines .........................................................................................2-39
OS7700/OS7800 MAC Range Specifications ........................................................2-40
VLAN Router Ports and MAC Address Allocation ...............................................2-41
Multiple MAC Router Mode ...........................................................................2-41
Enabling Single MAC Router Mode ...............................................................2-41
Viewing Current Multiple MAC Router Mode Status ....................................2-42
Chapter 3 Installing and Managing Power over Ethernet (PoE) ......................................3-1
In This Chapter ................................................................................................................3-2
Power over Ethernet Specifications ................................................................................3-3
Power over Ethernet Overview .......................................................................................3-4
Power over Ethernet Components ...................................................................................3-6
OS7-IP-SHELF PoE Power Shelf ............................................................................3-6
OS7-IPS-600A PoE Power Supply ..........................................................................3-7
Power Shelf and PoE Port Guidelines .............................................................................3-8
Non-Redundant Power Supply Configurations ........................................................3-8
Redundant Power Supply Configurations ................................................................3-9