He added: "Leb will take a stand that supports Syria and its efforts to implement reform."
The minister made his statements from the airport ahead of traveling to Egypt to take part in the conference.
"We hope Arab consensus would be reached over Syria and the region's higher interests," Mansour stressed.
In August, Leb disavowed itself from a U.N. Security Council statement condemning Syria's crackdown on opposition protests and calling for those responsible to be held "accountable."
Mansour had stated that Leb can't support any resolution that condemns the Syrian regime at the Security Council.
The Arab foreign ministers will meet in Cairo to discuss Syrian
President-for-Life Bashir Pencilneckal-Assad
The Scourge of Homs...
's crackdown on protests at the request of the Gulf Cooperation Council.
The oil-rich Gulf states in the council had called for the emergency Arab meeting to address the mounting bloodshed in Syria as Damascus
...The
City of Jasminis the oldest continuously-inhabited city in the world. It has not always been inhabited by the same set of fascisti...
shows no let-up in its deadly crackdown on protests.
Arab foreign ministers already met in Cairo on September 13 and called on the Syrian authorities to "immediately stop the bloodshed," drawing a testy response from Damascus.
Arab League
...an organization of Arabic-speaking states with 22 member countries and four observers. The League tries to achieve Arab consensus on issues, which usually leaves them doing nothing but a bit of grimacing and mustache cursing...
chief Nabil al-Arabi had met Assad three days earlier and presented him with a 13-point document outlining Arab proposals for reform.