Basic Operation Guide 2014/02

10 Power-Saving Features
Overview
There are several power-saving features that can be configured for the indicated switches and
modules. The power-saving features include the ability to:
• Turn slot power on or off
• Turn LED power on or off
• Turn slot auto low power mode on or off
• Use LLDP for Energy Efficient Ethernet
The modules support the power-saving features as indicated in the table below.
Slot power on/offSlot auto low power
mode
LED power on/offDescriptionProduct number
YesYesYesHP Switch zl 24
10/100/1000 PoE
Module
J8702A
YesYesYesHP Switch zl 20 Gig-T
+ 4 mGBIC Module
J8705A
YesNoYesHP Switch zl 24-Port
Mini-GBIC Module
J8706A
YesNoYesHP Switch zl 4-Port
10GbE X2 Module
J8707A
YesNoYesHP Switch zl 4-Port
10GbE CX4 Module
J8708A
YesYesYesHP Switch 24-Port
10/100/1000 PoE+
zl Module
J9307A
YesYesYesHP Switch 20-Port
10/100/1000
J9308A
PoE+/4-Port MiniGBIC
zl Module
YesNoYesHP Switch 4-Port
10Gbe SFP+ zl
Module
J9309A
YesYesYesHP Switch 24-Port
10/100 PoE+ zl
Module
J9478A
Configuring the power-saving options
Syntax
[ no ] savepower [module slot-list | all ] [led slot-list
| all ] [port-low-pwr [ slot-list | all ]]
Overview 141