Product : Red Hat, RHEV/3.5, All
Feature : Max RAM per VM, VM Config , Hypervisor
Content Owner:  Roman Macek
Summary
No (serial console via hooks possible)
Details
Presence of the serial port can be configured per virtual machine. But there is no interface to access them.
However VDSM hooks can be used to get serial console access to virtual machine consoles (where graphical access is not possible) - http://www.ovirt.org/Features/Serial_Console_in_CLI