Home Security Alarm System CT - ISG Home Security Connecticut
ISG Home Security Connecticut - Home Security Alarm System CT
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Alarm Monitoring Technology

The Finest Central Monitoring Facility in the Nation

State-of-the-art technology and a staff of experienced, highly trained professionals make our alarm monitoring facility one of the nation's finest. Redundant phone switch communication is the most critical component to any central station. We have taken great care to ensure continuous communication and no interruptions through switch technology that includes:

  • An Avaya Definity G3R Version 11 communication switch
  • Critical reliability option
  • Dual processors
  • Redundant fiber optic links between carriers for greater dependability
  • Designed to continue working even in the event of a component failure

The Monitoring Center’s primary power for the telecommunication system is DC, and is supported by TWO uninterruptible power supplies and dual Caterpillar generators. This investment in the best available telecommunications technology virtually guarantees that your calls will get through, no matter what the circumstances.

1-2-3 Times the Reliability

Our center offers TRIPLE telecommunications back-up that utilizes:

  • Four national service providers (MCI, PaeTec, Sprint and AT&T)
  • An additional pair of local providers
Multiple T-3 circuits from each telecom provider enter the alarm monitoring facility through a fiber optic Synchronous Optical Network (SONET) architecture: one provider's two T-3s enter from one access, while another enters the center's network from a separate point with its own independent T-3s. It is mission critical reliability with triple back-up.

Computer Network Redundancy

No expense has been spared to deliver an uncompromising level of security for the  computer systems handling your critical information including:

  • Multi-layered alarm processing redundancy built on a full GB fiber optic backbone
  • Workstations communicating via Cisco 2950 series hubs with redundant fiber optic links
  • Workstations connected to a pair of Cisco Catalyst 6509 core switches with duplicated processor and power options package
  • Two IBM 7025-6F1 AIX servers with dual gigabit network cards and dual power supplies maintain real-time RAID 10 lockstep mirroring
  • Six IBM F50 AIX servers minimize the main server’s non critical task loads
  • Two servers continually update data at the application level for quadruple redundancy

Network Security & Crypto Server

Today, we worry about more than power outages impacting information networks. Physical security is no longer enough. Our alarm monitoring center utilizes the best network security available to protect all data communications. Network security includes:

  • Dual NetWolves WolfPac firewall servers – impenetrable to outsiders
  • Redundant Blue Ridge crypto servers that create a VPN “cryptographic tunnel” for external, remote access
  • Servers run anti-spy ware and anti-virus applications to assure that all data and information systems are secure and free of any cyber threats that could interrupt or compromise the network


Even our power is backed-up. Dual Caterpillar generators are locked down in an environmentally secured enclosure that in every way protects the custom designed, digitally controlled, fully monitored 600 kw diesel generators. The generators have independent 1200 gallon fuel tanks and seamless switching so there is never an interruption of power.


As an additional layer of reliability, the monitoring center employs dual Liebert 150 Kva Uninterruptible Power Supplies (UPS). Each unit is capable of supporting the full critical load of the monitoring facility.

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