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VP. VP. VP. VP. VP. VP. VP. VP. VP. VP. VP. Core B (P-OTN). Core A (P-OTN). EVC differentiated connections, EVC- AIS and EVC- LOC alarm suppression. EVC. B1. EVC. EVC. EVC. EVC. AIS. Metro 1 (MPLS-TP). Metro 4 (Ethernet). EVC. EVC. EVC. EVC. sh. sh. D1. sh. sh.
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