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The Datacenter
Terrasite has spared no expense in utilizing a safe, secure environment
that can protect equipment from whatever Mother Nature has in store. The
Vienna, Virginia facility is designed for maximum uptime, with fully redundant
systems engineered to limit exposure to any problem which may affect other
areas. This includes, but is not limited to; electrical power, air temperature
and humidity, smoke-detection systems (capable of detecting fire in the
pre-combustion stages) and, of course, redundant connections to the internet.
This facility has the following protection systems in place to ensure maximum
operation regardless of the disruption: |
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 Power
The premier power system makes outages obsolete, utilizing an AC-DC-AC conversion
process to eliminate surges, meet the demands of both AC and DC equipment,
and provide nonstop power. Its heart is the Automatic Transfer Control Logic
system (ATCL) system which monitors power throughout the system to draw
only from the most reliable sources.
The power backups are utilized in the following order: two-hour battery
backup (industry standard is only 15 minutes), commercial utility underground
conduits, diesel generator with full-load capability and 18 hour fuel supply.
In addition, the system features: parallel redundant UPS module, redundant
primary 480V feeders, split switchboard with draw-out tie-breaker, redundant
500KVA K13 transformers, 48V DC power plant with separate batteries and
A+B bus for redundancy, dual-fed secondary switchboard and critical load
distribution boards, maintenance bypass feeder with dedicated 500 KVA K13
transformer, and dedicated 20 amp circuits with #10AWG (30 amp) wiring to
rack plug strips, including dedicated neutrals feeding server racks. |
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 Security
We appreciate that both equipment and data security
are vital to our clients. With that in mind, comprehensive
security systems include visitation access lists, security
cameras, and dedicated Ethernet segments. Seven days
a week, around the clock, security personnel superintend
the Operations Center lobby. A digital surveillance
camera monitors all sections of the Network Center and
all installed equipment. |
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 Environment
The Operations Center maintains a constant temperature of 68°F, plus
or minus 2°F, with humidity at a constant of 45%. This facility has
200 tons of total cooling capacity, more than enough to maintain these temperature
and humidity levels. The Vienna, Virginia facility incorporates features
to maximize equipment performance. The floors consist of 6-inch concrete
slabs with natural anti-static properties, balanced by embedded carbon filaments
and grounded by copper strips. Cables are trayed above the racks and color-coded
for simplified maintenance. |
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 Fire
All client equipment is protected by two fire fighting systems: a Fire Master
200 (FM 200) fire suppression system and a pre-action dry pipe sprinkler
system. The FM 200 utilizes heptafluoropropane gas, the environmentally
friendly answer to Halon that is both safe and non-corrosive to electrical
equipment. This gas deploys after a 30-second countdown and slows the fire
by chemically preventing combustion. The dry-pipe system backs up the FM
200 by being connected to a VESDA smoke detection system. |
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