ProCurve 6200yl Management And Configuration Manual page 12

11 Power Over Ethernet (PoE) Operation
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Changing the Keepalive Interval . . . . . . . . . . . . . . . . . . . . . . . . . 10-28
Changing the Keepalive Retries . . . . . . . . . . . . . . . . . . . . . . . . . . 10-28
Configuring UDLD for Tagged Ports . . . . . . . . . . . . . . . . . . . . . . 10-28
Viewing UDLD Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-29
Configuration Warnings and Event Log Messages . . . . . . . . . . . . . . 10-31
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
PoE Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
PoE on Series 5400zl Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
PoE on Series 3500yl Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
Introduction to PoE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4
Overview of Operation for Series 3500yl Switches . . . . . . . . . . . . . . . 11-5
Overview of Operation for Series 5400zl Switches . . . . . . . . . . . . . . . 11-5
Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6
General PoE Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7
Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7
PD Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
Determining the Amount of PoE Power Available . . . . . . . . . . . . . . 11-10
PoE Power on the Series 5400zl Switches . . . . . . . . . . . . . . . . . 11-10
PoE Power on the Series 3500yl Switches . . . . . . . . . . . . . . . . . 11-10
Using a ProCurve 620 Redundant Power Supply . . . . . . . . . . . . 11-11
Power Priority Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12
When Is Power Allocation Prioritized? . . . . . . . . . . . . . . . . . . . . 11-12
How Is Power Allocation Prioritized? . . . . . . . . . . . . . . . . . . . . . 11-12
PoE Priority With Two or More Modules . . . . . . . . . . . . . . . . . . 11-13
Configuring PoE Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
Changing the PoE Port Priority Level . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
Disabling or Re-Enabling PoE Port Operation . . . . . . . . . . . . . . . . . 11-16
Enabling Support for Pre-Standard Devices . . . . . . . . . . . . . . . . . . . 11-16
Changing the Threshold for Generating a Power Notice . . . . . . . . . 11-17
Configuring Optional PoE Port Identifiers . . . . . . . . . . . . . . . . . . . . . 11-18
Viewing PoE Configuration and Status . . . . . . . . . . . . . . . . . . . . . . . 11-21
Displaying the Switch's Global PoE Power Status . . . . . . . . . . . . . . 11-21