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Please specify your question about ENHANCED TRAFFIC MGMT OC3-2M MMF W/CPU-2 The R4.3 Enhanced Traffic Management OC3-2M MMF bundle consists of an OC3-2M MMF UNI/NNI Card with CPU-2 line card (90-4905-1C) and an Enhanced Traffic Management (ETM) module (90-7695-01). *