TempDefender IT

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TempDefender IT

Compact, simple, and reliable device that monitors environmental conditions (temperature, humidity, smoke, etc.) around your network equipment.


Key Features

  • 2 control relays for tower lights
  • 4 D-Wire sensor inputs
  • 8 discrete alarms
  • Built-in web interface to monitor from any PC on the network

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See the TempDefender's new model here.


Could you estimate how much money your company has invested in your IT server room or data center? How much is your network uptime worth to you? These questions might be difficult to answer, but monitoring your valuable IT equipment certainly doesn't have to be.

You need a compact, simple, and reliable device to monitor basic environmental conditions around your network equipment. Without this basic visibility, it's just a matter of time before your investment in your server room is seriously damaged.

The TempDefender IT is a small device that keeps tabs on all the environmental levels that affect your servers, phone closets, data centers, and other equipment locations. The 8 discrete alarms on the back panel are used to monitor dry contacts, such as motion sensors, UPS, smoke detectors, flood sensors, AC, and room entry. Whether you choose the 8 analogs or 4 digital sensor inputs on the back panel, you’ll stay protected from these threats.

With its web interface, you can edit your threshold settings and view the current status of the room. What's the current room temperature? When was the last time someone entered the room? Get all of this information - right from your network PC.

Don't wait until your server closet overheats to start protecting your equipment. The TempDefender IT sends you alerts 24/7 to your cell or SNMP manager.

How the TempDefender IT can help you protect your equipment rooms from unseen threats:

  • Small form-factor saves on valuable rack space
  • Plug 'n' Play design - Start monitoring in minutes
  • SNMP-compatible - Send traps to your SNMP manager
  • Receive 24/7 email notifications when environmental levels cross your thresholds
  • 4 D-Wire sensor inputs (each D-Wire sensor port supports multiple "daisy-chained" sensors, with a max. of 16 sensors per unit)
  • Telco-grade casing for enhanced durability
  • Built-in web interface to monitor from any PC on the network
  • Monitor temp, environmental, and security conditions in your server room or data center
  • Private VLAN Support
  • Spring clamp connectors for easy alarm termination

Form Factor

  • Height: 1.7"
  • Width: 11.5"
  • Depth: 4"
  • Mounting:
  • Weight: 1.5 lbs

Core Features

  • Analog Alarms: 4
  • Control Relays: 2
  • D-Wire: 4-Plug
  • Discrete Alarms: 8
  • External Speaker
  • NIC: 10/100BaseT
  • Ping Targets: 32
  • Power Supply: +24Vdc
  • Rack Ears: 19-inch
  • RoHS: 5/6
  • Temperature: 32-140F (0-60C)
  • Web Browser Interface

Operating Conditions

  • Humidity: 0-95% NC

Optional Features

  • Control Relays: 1, 3
  • Mounting: Wall mount
  • Power Supply: +12Vdc, -24Vdc, -48Vdc
No additional software.

Explore different capacities

d-pk- d-pk- d-pk-netg5 832A d-pk-netg5 864A d-pk-
Product Name NetGuardian 420 NetGuardian 240T NetGuardian 832A G5 NetGuardian 864A G5 NetGuardian 480 G4
Alarm Count 20 40 32 64 80
Analogs 4 2 8 8 4
Comparison Roughly half the capacity. Adds T1 transport. - Double capacity in same 1RU Massive discrete capacity.