• Operator: Interscholz
  • Commissioning: 2001
  • Capacity:> 5,000 servers
  • Maximum usable INTERNET AG – Line Capacity: 5 Gb
  • Available Carrier: German Telecom, Colt Telecom, Level3, Telia, Versatel, EuNetworks
  • Pipeline network nodes

Current supply

  • 1 MVA installed transformer capacity
  • 2 spatially separate house connections
  • 500kVA installed UPS capacity
  • Connection of the racks as standard in N +1 redundancy of two different systems
  • Smoothed and stabilized by UPS power quality, surge protection
  • Power system for bridge failures of the main supply


  • About 375kW cooling capacity of various cooling systems
  • At least N +1 cooling redundancy in each data center space
  • Each data center room is furnished with at least 2 separate air conditioning systems
  • Air extraction systems in all the hot aisles
  • Possibilty of Up to ~8 kW power load in individual racks

Network Connection

  • 6 physically separated and irrespectively fiberglass house supply / power supply lines
  • More than 1,000 fiber line installed capacity of the local carrier
  • Numerous glass fibers of local carriers are usable
  • IP Connection to 6 different tier1 carriers (as of 03/2009: Deutsche Telekom, Abovenet, Global Crossing, Teleglobe, Telia, Tiscali.)
  • 5 Gbit / s transmission capacity installed (2 cable ports with 2.5 Gbps transmission capacity)
  • Routing System in N +1 redundancy consisting of many router systems (for example Cisco 6509, Cisco 12000)
  • Redundant power to all core routers
  • Separate DC UPS for buffering the core router

Other Features

  • Means for detecting and extinguishing fires (smoke detectors, fire extinguishers)
  • Spatial separation the data center facilities and electricity facilities
  • Division into different zones
  • Electronic access system
  • Alarm and Motion
  • Access to the data center via 2 door systems
  • Physical access protection with logging (Steel-/security doors, security locks)
  • Permanent data center operating since 1997 without operational restrictions, including maintenance
  • True 24 / 7 service with 24 / 7 hotline and on-site staff
  • SLA-guaranteed services

For questions, please call our hotline or send us an E-Mail to