The ERmet ZDplus connector is an enhancement of the ERmet ZD family. This high-speed differential Hard Metric connector system enables data rates of 20 Gbit+. The ERmet ZDplus is based on the principal mechanical design of the proven ERmet ZD with the same dimensions. To enable higher data rates ERNI Electronics has optimized the signal routing and the pressfit termination of the female connector. To benefit from the maximum performance of the new ERmet ZDplus the usage of backdrilling is recommended. Decreasing via stub length and the related “stub effect” by backdrilling significantly reduces the reflections and the overall BER (Bit Error Rate) of the interconnect.
The first product of the ERmet ZD+® family is the 4-pair right angle female connector with pressfit termination. The ERmet ZDplus female connector is mating compatible to the existing ERmet ZD male connector. This means, that existing backplane designs do not need layout changes on the backplane side, if customers want to upgrade their systems. Of course the layout on the daughtercards has to be modified if using the new ERmet ZDplus female parts.
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