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Service Monitoring using the T/Mon Master Station

by Mac Smith

T/Mon LNX in a service monitoring application
The T/Mon master station is a central aggregator for alarms from RTUs and "soft alarms" generated via service monitoring of DNS, HTTP, and email servers.

Equipment Used:

  • T/Mon master station
  • NetGuardian RTUs
  • DNS, HTTP, email servers

How This Application Works:

T/Mon is a versatile alarm master. In this example, it's used for service monitoring of various servers (email, HTTP/web, DNS). Should a service fail, you will receive an alert in a chosen format (ex. SMS text, email, web interface, phone call...).


The T/Mon LNX is a rack mounted, -48VDC dual feed, Quad Core Xeon computer that will be responsible for: Collecting, filtering, categorizing & presenting alarms, maintaining history, alphanumeric paging and e-mail notification. The T/Mon LNX will use the slide rack which can be placed into any 19" or 23" rack. This solution provides the highest level of local alarm visibility. Remote Alarm viewing will take several forms including Web Browser, Graphical (see below for more details), and T/Windows. T/Windows can also be used as a direct connection. This interface is incredibly easy to use and will provide network visibility to your staff provided they are given the access rights by your system administrator. This software can be loaded on multiple PC's and is ideal for technicians and other members of your staff to view alarms from remote locations over LAN, direct connect or dial up.

The LNX supports RAID 1 Hard Disk Redundancy. In the event you lose your primary hard drive, the T/Mon LNX will automatically fall back to the secondary hard drive. In addition, the T/Mon LNX supports a modular interface design. This design allows us to semi-customize each T/Mon LNX for deployments in diverse network architectures.

With the T/Mon LNX, you can use Pager alerts and escalation. T/Mon LNX can automatically send detailed alarm notifications via pager, cell phone, PDA or e-mail, so the right information is put directly in your hands, not locked up in a LNX console. Escalation notifications to supervisors promote alarm acknowledgement and problem resolution.

Filter nuisance alarms to save operational time and focus efforts on serious emergencies. T/Mon LNX filters out nuisance alarms, self-correcting alarms, and oscillating conditions, ensuring staff response to serious network threats.