OptelianOptelian has expanded its transponder-regenerator portfolio with the introduction of the RGN-8040 optical transport network (OTN) card. Using standard SFP+ tunable optics, the card features eight 10-Gb/s interfaces supporting a variety of independent application services, each with OTN encapsulation, forward error correction and full service awareness. It is designed with an extended temperature range for outside-plant operation and NEBS-qualification for carrier-grade service delivery. 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