Common use of Crossover of DS Clause in Contracts

Crossover of DS. 1 to DS-3. At such time as Excel has leased up to 12 DS-1 Circuits between a given city pair or at such point that Excel requests a cross over, the pricing of such DS-1 Circuits shall cross over ("Cross Over") to DS-3 pricing and Excel shall be given by IXC DS-3 capacity between such city pair. Notwithstanding anything to the contrary contained herein or in the applicable Purchase Order, upon a Cross Over, Excel without liability to IXC or any third party, shall terminate such DS-1 Purchase Order and shall enter into a new Purchase Order for the DS-3 capacity and such Purchase Order shall have a Circuit Lease Term equal to an average of the remaining months on the DS-1 Purchase Orders prior to the Cross Over.