User guide

Contents
OmniSwitch 6850 Series Hardware Users Guide April 2010 v
Connecting a DC Power Source .............................................................................2-87
Installing DC Power Source Wire Leads .........................................................2-88
Viewing the Power Supply Status ...................................................................2-90
Monitoring the Chassis .................................................................................................2-91
Checking the Overall Chassis Status ......................................................................2-91
Checking the Temperature Status ..........................................................................2-91
Checking the Fan Status .........................................................................................2-92
Checking the Power Supply Status ........................................................................2-92
Additional Monitoring Commands ........................................................................2-92
Using LEDs to Visually Monitor the Chassis ........................................................2-93
Installing SFP and XFP Transceivers .....................................................................2-93
Chapter 3 Installing and Managing Power over Ethernet (PoE)........................................ 3-1
In This Chapter ................................................................................................................3-2
Power over Ethernet Specifications ................................................................................3-3
Viewing PoE Power Supply Status .................................................................................3-4
Configuring Power over Ethernet Parameters .................................................................3-5
Power over Ethernet Defaults ..................................................................................3-5
Understanding and Modifying the Default Settings .................................................3-5
Setting the PoE Operational Status ....................................................................3-5
Configuring the Total Power Available to a Port ..............................................3-6
Configuring the Total Power Available to a Switch .........................................3-6
Setting Port Priority Levels ...............................................................................3-7
Setting the Capacitor Detection Method ...........................................................3-8
Understanding Priority Disconnect .................................................................................3-9
Setting Priority Disconnect Status ............................................................................3-9
Disabling Priority Disconnect ...........................................................................3-9
Enabling Priority Disconnect ............................................................................3-9
Priority Disconnect is Enabled; Same Priority Level on All PD .....................3-10
Priority Disconnect is Enabled;
Incoming PD Port has Highest Priority Level ................................................3-10
Priority Disconnect is Enabled;
Incoming PD Port has Lowest Priority Level .................................................3-10
Priority Disconnect is Disabled .......................................................................3-11
Monitoring Power over Ethernet via CLI .....................................................................3-12
Chapter 4 Managing OmniSwitch 6850 Series Stacks ........................................................4-1
In This Chapter ................................................................................................................4-2
OmniSwitch 6850 Series Stack Overview ......................................................................4-3
Roles Within the Stack ....................................................................................................4-3
Primary and Secondary Management Modules .......................................................4-3
Primary Management Module Selection ...........................................................4-6
Secondary Management Module Selection .......................................................4-9
Idle Module Role ....................................................................................................4-11
Pass-Through Mode ...............................................................................................4-12
Recovering from Pass-Through Mode (Duplicate Slot Numbers) ..................4-13