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

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NetGuardian 832A G4 Specifications

Previous Page: Powerful, High-Capacity, Versatile SNMP Alarm Collector
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  • Control switches, routers, PBXs and other telecom gear through the NetGuardian's 8 terminal server reach-through ports.
  • Integrated Web Browser interface for stand-alone alarm monitoring.
  • Email and pager alerts for 24/7 alarm monitoring without a master.
  • Live streaming video surveillance of remote sites with the NetGuardian SiteCAM.
  • Included Windows configuration utility.
  • Free lifetime firmware upgrades.

NerGuardian 832A G4 back panel

Protocols: SNMP and DCPx

Discrete Inputs: 32 (expandable to 176)

Alarm Detection Speed: User-defined (3 to 999 msec)

Analog Inputs: 8

Analog Input Range: (-94 to 94 VDC or 4 to 20 mA)

Control Outputs: 8 Form C relay contacts

Maximum Voltage: 60 VDC/120 VAC

Maximum Current:1 Amp, AC/DC

IP Address Ping Targets: 32


  • 7 DB9 RS-232 ports
  • 1 DB9 RS.485 port
  • 1 RJ45 10BaseT Ethernet port
  • 1 RJ11 POTS jack
  • 1 DB9 connector (analogs)
  • 2 50-pin amphenol connectors
    (discretes, controls, and analogs)

Modem: 33.6K internal

Visual Interface:LCD display with descriptive text 6 bicolor LEDs

Audible Interface: Alarm speaker

Dimensions: 1.75"H x 17"W x 12"D, (4.5 cm x 43.2 cm x 30.5 cm)
Weight: 4 lbs. 3 oz. (1.9 kg)

Mounting: 19" or 23" rack

Power Input: -48VDC (--40 to -56 VDC) see options

Current Draw: 200mA

Fuse: 1 Amp GMT

Operating Temperature: 32°-140° F (0°-60° C)

Operating Humidity: 0%-95% noncondensing

NetGuardian 3288 Test Fixture
A Lightweight, Compact Test Box for Your RTUs

NetGuardian Test Box Benefits

Diagnose Problems Right From the Field:

If an alarm point fails, it's important to know if the problem lies with your NetGuardian, your site equipment, or your analog sensor. With the NetGuardian Test Box, minimize windshield time driving to remote sites by diagnosing problem while you're on-site.

Get Exact Control with Labeled Alarm Points:

The labeled toggles and knobs on the NetGuardian Test Box are easier than working with probes directly on amphenol connectors. With a Test Box, you can easily set all of the alarms you want.

Next Page: Test Your Alarm Inputs
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