China’s ZTE has been selected by Portugal Telecom (PT) as its exclusive equipment provider to build a DWDM metro network throughout Portugal, including the mainland and islands. According to a press release, PT said that a comprehensive transmission network overhaul was critical to cope with rising bandwidth demands, with existing fibre facilities insufficient for future developments and SDH-based networks covering less densely populated suburban areas having limited capacity, coupled with the need to cover long distances between various different sites. An ‘intelligent, maintainable and reliable DWDM transport network’ is necessary to face the traffic challenges from new services, the telco announced, adding that the DWDM network ‘significantly raises fibre resource use rate, improves network reliability and flexibility and reduces CAPEX and OPEX to meet the demands for PT’s present and future services.’
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