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Telco Operators’ Environmental Design Requirements for Network Equipment
Keywords: network, telco, envronment
With computer servers' exponential growth in power for a 7' rack density from sub-10kW of yester-years, to 30kW in the last half decade, to now product launches of over 60kW, there is significant desire and product research by datacenter cooling equipment vendors as well as computer server equipment vendors in introducing liquid-cooling solutions in various forms, such as direct equipment level or providing air-to-liquid heat-exchanging at the rack. In this proposed paper, we like to differentiate the equipments for Telecom Central Office (CO) environment to the more industry dominant Datacenter (DC) environment. A holistic examination from network equipment design to the Telecom CO requirements will be stepped through in explaining the different hurdles along the way in implementing liquid cooling in Telecom environment. This paper will center on the following areas: • Growth trend of the global population continuing getting on the internet; • Network equipment cooling design constraints (Figures 1 and 2) o Equipments for CO (SP customers) and DC; o The old mainframe computer term RAS; o Product life for the 2 different industry environments; o Other areas such as acoustics, fan power consumption, and airflow distribution; • Typical CO environments- review GR-63-Core and GR-3028-Core; • Customer perspectives (Figure 3).
Herman Chu, principal engineer
Cisco Systems
San Jose, CA

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