Index >> Case Studies

HWg-CS23: Cabinet door monitoring over IP (E-mail and SNMP)

Example of a remote door, temperature and humidity monitoring solution.  Whenever a door opens, a notification is sent by e-mail or SNMP. Supplied door contacts fit any door, or even the side boards of a 19" rack.


  • Receive the email when the door cabinet (19" rack) are opened.
  • It is possible to set a delay between opening the door and sending the alarm.
  • E-mail or SNMP trap alerts to excessive temperature / humidity


  • Rack door accidentally left open
  • Equipment overheating
  • Unauthorized access to a rack
  • A/C failures
  • Temperature in the room gradually rising
Solution benefits
  • Immediate alert to rack access
  • Server room access history archived in your e-mail
  • Check the temperature, humidity and door status remotely over the web.
  • Receive timely warnings to rising temperature by e-mail
  • Simple control with the built-in Web server
Receive the email when the door cabinet (19" rack) are opened.

Technical description

Spam protection. How many is five times six?

Ask for your application:
 - Web:  http://

  • Poseidon 3266 is connected to an Ethernet 10/100 Mbit network
  • Configuration and control over the Poseidon GUI (WEB server)
  • Sensors are daisy-chained using a telephone cable (RJ11)
  • Each sensor has its own ID, textual name and alarm threshold settings
  • Two out of four inputs for contacts are fitted with magnetic door sensors
  • For each sensor, the alert can be sent if the alarm that lasts longer than X seconds (alarm delay)
  • Alarm alerts can be redirected to SMS with one or more recipients (supplied SW PD Trigger)


Ordering numbers

  • 600 253  Poseidon 3266 Tset
  • 600 344  HTemp-1Wire Box2
  • 600 371  Door Contact MK4




cabinet door monitoring, door contact, Email, the cabinet opening monitoring, SNMP, rack 19" cabinet monitoring, snmp open door alert, cabinet open door email, temperature, humidity
Receive the email when the door cabinet (19" rack) are opened.