Volia-Cable LTD.

Data-Center I
Data-center network operates on the basis of 10Gbit Ethernet Cisco Catalyst 3750-E switches, as well as switches of 2960G and 2960 series. Network traffic is processed by a few Cisco 7600. To increase its fault-tolerance Data-center network is built in parallel: active networking equipment, its communication lines, as well as fiber-optic communication lines with the company backbone network have a backup. Backbone access speed is 20Gbps.

Data-center uses two independent power supply sources. Switching between main and redundant sources is done by means of ABP A300 of American company named ASCO Power Technologies. Power supply reliability is of the 1st class one. Power supply continuity is provided by two industrial Master Dialog RT UPS.s of Italian company named Riello UPS Manufacturing. Uninterruptible power supply systems operate in parallel and serve as a back up to each other. Even though one of them fails completely Data-center electric power supply will operate with no interruptions. One power supply source is enough for meeting all the Data-center requirements. In the ordinary operation conditions power supply load is shared between two UPS.s, what doubles backup time and provides a partial load mode for the equipment again resulting in their reliability. Supply power is 200KW.

The climate is provided by three high-precision industrial Liebert-HIROSS Himod M air conditioners of Emerson Network Power Company. Climate conditions are provided by these AC.s in accordance with the TIA/EIA-942 (temperature 20-25C, relative humidity 40-55%) requirements for data-centers. The conditioners are equipped with G4 class air filters (purification efficiency is not less than 90% under the State Standard  GOST 51251-99). To support necessary parameters two AC.s like these will be enough, and the third one usually serves as a hot backup and is turned on automatically should any faults occur with one of the two main units. All conditioners are controlled by Hiromatic Evolution management system.

Volia Data-Center I

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Volia Data-Center I

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