The UK's largest supplier of rail technologies including...

Crash Protected Memory (CPM2000)

The Crash Protected Memory (CPM2000) provides a secure crash survivable module that fulfils world standards such as the British GM/RT2472 issue 1, GM/RT2472 issue 2 to BS EN 62625-1:2013 also IEEE1482.1 standards for the Juridical Recording Unit (JRU).

Whenever a high level of data protection is requested, then it can be used as a remote data storage unit connected to the DR3000 OTMR or integrated inside if sufficient space is made available.



  • Secure Store Memory module with protection against impact, crush, fire and contamination
  • Downloads direct from the CPM or via the DR3000 using USB memory stick if the CPM is remote and inaccessible
  • Data compression techniques plus ample memory provide long recording periods, often several weeks in duration
  • The CPM is directly powered by the DR3000.
  • A sophisticated suite of Analytical software is available for interrogating the download allowing the data to be seen in graphical and tabular forms.



  • Connection to DR3000 via an M12 female connector on the CPM front panel
  • Connection to USB through a rugged USB connector on front panel.

Data Storage

  • 128 Mbytes Crash Proteced Memory
  • Increased memory available upon request
  • Mounted internally, crash hardened to comply with GM/RT2472 Issue 1:2002
  • Optional module mounted externally, crash hardened to comply with GM/RT2472 Issue 2 (IEEE1482.1)

Secure Memory Download

  • USB Memory Stick
  • Remote wireless


  • 7 kg typical

Electrical Supplies

  • The CPM is directly powered by the DR3000


  • Dimensions 220 x 110 x 120 mm
  • IP68


  • -25ºC to +70ºC operating, -40ºC to 85ºC storage (EN 50155 class T3 )


  • EN 50155 Railway applications – Electronic equipment used on rolling stock
  • Vibrations according to EN 61373:2010 Category 1 Class B
  • Electromagnetic compatibility according to EN 50121-3-2
  • GM/RT 2472 Issue 1, B5.2
  • GM/RT 2472 Issue 2,
  • IEC 62625-1, Table 1 A
  • IEC 62625-1, Table 1 B
  • IEEE Std. 1482.1 Part 4.5

Further Information


Click pdf icon to download the DR3000 CPM brochure

All our literature is downloaded in pdf format. You will need Adobe© Acrobat Reader© to view these files.

visit Adobe and download Accrobat


We use cookies to improve our website and your experience when using it. Cookies used for the essential operation of the site have already been set. To find out more about the cookies we use and how to delete them, see our Privacy Policy.

I accept cookies from this site