when xou create a new deployment task there is a option to wakeup the devices.
Maybe this option works for you.
LANDesk has Wake on LAN functionality. But it's all types of devices. It relies on Magic packet. For detail you may refer these two good Community documents:
http://community.landesk.com/support/docs/DOC-1866 (Understanding Wake On LAN)
http://community.landesk.com/support/docs/DOC-2090 (Troubleshooting WOL (Wake on LAN))