ER-Telecom backbone / DWDM transport network. ER-Telecom uses a backbone / optical-transport network (DWDM) to connect its network across many cities ((Source)).
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Network: Any physical infrastructure network that forms a telecom-related network and occupies physical space in/on the ground.
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ER-Telecom backbone / DWDM transport network. ER-Telecom uses a backbone / optical-transport network (DWDM) to connect its network across many cities (Source).
ER-Telecom backbone / DWDM transport network uses other technology (optical backbone transporting high-capacity wavelengths over long distances using DWDM) used to interconnect their regional networks. (Source)
ER-Telecom backbone / DWDM transport network uses other technology (DWDM - Dense Wavelength Division Multiplexing for high-capacity transport across long distances). (Source)