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An introduction to Monitoring Fundamentals strictly from the perspective of telecom network alarm management.

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NetGuardian 216T Overview (Cont.)

Previous Page: reach-Through Port
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Stand-alone Monitoirng via Web Interface

NetGuardian 216
The NetGuardian front panel provides T1 testing, audible notification (optional), an LCD menu (optional), and LED status indicators for simple, detailed, and fast diagnosis.

NetGuardian 216 Back Panel

Stand-alone monitoring via Web Interface

The NetGuardian offers a Web Browser interface for easy and convenient alarm management and unit configuration via Internet or Intranet. The user-friendly interface allows complete access to all the functions of the NetGuardian and enables the user to quickly set up alarm point descriptions, view alarm status, issue controls, setup paging alerts, and configure additional options.

NetGuardian 216 Interface
View and configure the NetGuardian via a Web Browser over LAN or T1 WAN.

TTY Interface

In addition to the Web Browser interface, the NetGuardian provides a menu-style TTY interface for basic configuration , which may be accessed via the craft port or in a Telnet session via LAN or T1 WAN.

Dual-Mode Operation

The NetGuardian 216T supports both Ethernet and FrameRelay/T1 WAN connectivity for both outside- and insideplant applications.:

  • WAN Mode - When no existing LAN infrastructure is available at the remote site, the NetGuardian connects via T1, extending LAN to the site. This 1.544 Mbps of Ethernet connectivity is usable by up to 7 external devices connected to the NetGuardian's hub.
  • LAN Mode - When the network expands to reach the NetGuardian, the same remote can connect via LAN, providing the same monitoring benefits without requiring additional purchasing.

Alarm Reporting

The NetGuardian 216T reports discrete alarms, relay status, analog alarms, and network equipment failures over the LAN or T1 WAN to an SNMP manager or the DPS Telecom T/Mon NOC Network Alarm Management System.

  • SNMP Trap Reporting - The NetGuardian can report directly to an SNMP Manager and will respond to SNMP queries and commands. Multiple SNMP managers at multiple IP addresses are also supported by the NetGuardian. Communication may be achieved via LAN or T1.
  • T/Mon NOC Support - The NetGuardian 216T can also report to a T/Mon NOC Network Alarm Monitoring System via LAN or T1 WAN.
Next Page: NetGuardian 216T Specifications
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