Otemachi Data center

Address 2-Otemachi Chiyoda-ku Tokyo Japan
Access Tokyo Metro Toei Subway Otemachi Station
JR Tokyo Station
Server Room
Floor loading
1,000㎏/㎡
Raised-floor height
600㎜
Rack installation capacity
Approx.130 racks
Racks
  • Full racks:700㎜ × 1,100㎜ × 2,000㎜(42U)
  • Full racks:600㎜ × 1,200㎜ × 2,000㎜(42U)
    ※Maximum weight:700kg
  • Half racks:20U
  • Quarter racks:9U
Power
Utility power
6,600 V power supply via two channels from special high-voltage power supply of buildings (*Power is supplied to buildings by one main and one spare line)
Uninterrupted power system
N+1 Redundancy、Hold time:10 minutes
Generator
Gas turbine generator(Reserve of fuel ; for 72hours non stop operation)
Power Supply
Single phase AC100V/200V
Air Conditioning
System
Air cooling system (N+1)
Temperature
24degrees Celsius ± 3 degrees Celsius(Target)
Humidity
50% ± 20%(Target)
Cooling air flow system
Separate Cold & Hot Aisles., capping partially.
Fire Suppression
Type of fire extinguishing
Nitrogen gas (Data center area)
Fire detection
On ceiling
Smoke alarm
High sensitivity smoke detection system (VESDA)
Security
Access controls
Web Application + IC-Card & Biometric Certification (Finger Vein)
Surveillance camera
Recording each row (Store 90 days)
Network
  • Direct connection with optical fibers in Otemachi, Marunouchi, and Yurakucho areas owned by the Company
  • Carrier-free. Several telcos, such as NTT-East,KDDI are providing services.
  • Direct connection to IX(Internet Exchangess)
Managed Service 24/7 service for system operation support