1. Optical Transmission. SparkLight Family SparkLight NG SDH STM-1/4/16/xWDM MultiService Access and Backbone Solution for Industrial and Telecom Operators. SparkLight is a compact, powerful, high-density and user-friendly, next generation SDH multiservice node for provisioning of PCM (voice, data), PDH (E1, E3), SDH (STM-1, STM-4, STM-16) and Ethernet (FE, GbE) over SDH. Used as an add/drop multiplexer on the SDH ring (or as a terminal multiplexer at the remote site), the SparkLight product line improves Ethernet bandwidth efficiency via GFP, VCAT and LCAS protocols and also supports TDM mapping for termination at any point in the SDH network. Microwave Transmission. SparkWave Multirate Multiservice Microwave Node for Next Generation Networks, operating from 5 to 38 GHz. In the last few years network operators are facing rapid growth and fast migration from TDM to packed traffic. The main challenge is how to optimize investments and reduce maintenance costs. The tran

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