Enhanced Power Poe Support On The E-Series Chassis - Cisco Catalyst 4500 series Administration Manual

Chapter 14 Configuring Power over Ethernet
The errdisable autorecovery mechanism allows you to configure a timer for errdisable recovery so that
when an interface enters errdisable state (after the timer expires), the interface returns from the
errdisable state.
errdisable detection
By default, errdisable detection for inline-power is enabled, as the following example illustrates:
Switch# show errdisable detect
ErrDisable Reason
-----------------
inline-power
If detection is disabled (through the errdisable detect cause inline-power command), the port is not
Note
placed in errdisable state when it exceeds its power policing threshold.
errdisable recovery
By default, errdisable recovery for inline-power is disabled. To enable errdisable recovery, enter the
errdisable detect cause line-power command:
Switch# config terminal
Enter configuration commands, one per line.
Switch(config)# errdisable detect cause inline-power
Switch(config)# end
Switch# show errdisable recovery
ErrDisable Reason
-----------------
-----------
inline-power

Enhanced Power PoE Support on the E-Series Chassis

The WS-X4648-RJ45V-E, WS-X4648-RJ45V+E, and WS-X4548-RJ45V+ switching modules support
IEEE 802.3af PoE as well as the Cisco proprietary Inline Power standard. With
Cisco IOS Release 12.2(44)SG, the WS-X4648-RJ45V+E line card can also support the IEEE 802.3at
standard with up to 30 W available per-port. The WS-X4648-RJ45V-E line card also supports up to 20
W. The WS-X4548-RJ45V+ switching module is supported with Cisco IOS Release 12.2(50)SG and can
provide up to 30 W of inline power per-port.
For these switching modules, the valid milliwatt ranges for the power inline command have been
increased appropriately for the module, as the following table illustrates:
Line card
WS-X4648-RJ45V-E
WS-X4648-RJ45V+E IEEE 802.3af
WS-X4548-RJ45V+
OL_28731-01
Detection Mode
--------- ----
Enabled port
Timer Status
--------------
----------
Enabled
Standard Max Power/Port
IEEE 802.3af 20 W
IEEE 802.3at
30 W
IEEE 802.3at
IEEE 802.3af 30 W
IEEE 802.3at
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
Enhanced Power PoE Support on the E-Series Chassis
End with CNTL/Z.
Cisco IOS Release
12.2(44)SG
12.2(44)SG
12.2(50)SG
14-15