MetroNet Communications Corp. (Toronto) will purchase OC-192 (10-Gbit/sec) Synchronous Optical Network (SONET) and dense wavelength-division multiplexing equipment from Nortel Networks (Brampton, ON, Canada) for use in the core of its Canadian national and cross-border fiber-optic network. In combination, the equipment will provide 32 wavelengths of OC-192 (10-Gbit/sec) traffic, for a total capacity of 320 Gbits/sec. The first segment of the network, which will connect Vancouver and Seattle, WA, will be deployed this year. Terms of the deal were not disclosed. Meanwhile, Dakota Carrier Network (Bismarck, ND), a carriers` carrier servicing North Dakota, recently purchased a Nortel Networks (Brampton, ON, Canada) high-capacity local transport optical network. The DCN network is configured in two large OC-48 (2.5-Gbit/sec) rings to provide high reliability over its 1430-mi network. DCN connects with the Minnesota Equal Access Network System and the Montana Advanced Information Network to form the Great Northern Fiber Route serving the northern tier of states.