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NetGuardian 832A

Previous Page: What you can do with T/Mon NOC
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NetGuardian 832A
"It's just a fantastic product. The NetGuardian does what it says it can do, and actually a lot more." - Mark Renne, Program Manager

Powerful, high-capacity, versatile SNMP alarm collector covers all your remote monitoring needs

The NetGuardian 832A does as much as an RTU can ... and then it does a whole lot more.

The NetGuardian's primary function is to mediate contact closures and analog voltages to SNMP traps - but it also serves as a reach-through terminal server, a self-contained all-in-one alarm monitoring system, a 24/7 email and paging system. - and then there's still more functionality ...

The NetGuardian 832A provides all the tools you need to for complete remote site management:

Web Browser Interface
  • Mediate 32 discrete inputs, 32 ping alarms, and 8 analog alarms to SNMP traps.
  • Report alarms to multiple SNMP managers or T/Mon NOC
  • Supports LAN or dial-up transport - immediately implement SNMP monitoring without LAN or use dial-up as a backup path in case of LAN failure.
  • Monitor legacy telephony gear, battery plants, generators, security locks, temperature sensors, and all your other remote site equipment.
  • Expand your monitoring capacity up to 176 discrete inputs with the NetGuardian Expansion Unit.
  • 4-threshold analog monitoring (Major Over, Minor Over, Minor Under and Major Under).
  • Control site equipment with 8 control relays.
  • Control switches, routers, PBXs and other telecom gear through the NetGuardian's 8 terminal server reachthrough 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.


NetGuardian 832A G4
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
Interfaces:
  • 8 DB9 RS-232 ports
  • 1 RJ45 10BaseT Ethernet port
  • 1 RJ11 POTS jack
  • 2 50-pin amphenol connectors (discretes, controls, and analogs)
  • 1 DB9 connector (analogs)
Modem: 33.6K internal Visual Interface:
  • LCD display with descriptive text
  • 16 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 -70 VDC) see options
Current Draw: 200mA
Fuse: 1 Amp GMT
Operating Temperature: 32°-140° F (0°-60° C)
Operating Humidity: 0%-95% noncondensing

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