Here are seven things to know about UL 1981 Revision 3 and UL 827 8th Edition!


Q) Why are these changes happening?

A) UL 1981 sets requirements for alarm monitoring software, while UL 827 places standards on physical buildings and hardware. Over the last decade, overlaps between the two standards created ambiguity and conflicts which required addressing. UL 1981 Revision 3 and UL 827 8th Edition solve these conflicts and better defines the separation between them.


Q) What are some of the most significant changes to UL 1981?

A) UL 1981 Revision 3 defines parameters for system passwords and requires UL-listed accounts to be identifiable as such within the alarm monitoring software. It also requires software to identify runaway alarm systems and issue operator alerts.


Q) What are some of the most significant changes to UL 827?

A) UL 827 8th Edition defines processes which must be kept as a report within the software, sets encryption requirements for external software access, and regulates redundancy requirements for monitoring centers based on their MEW Factor.


Q) What is a MEW Factor?

A) The Monitoring Equivalent Weight (MEW) Factor of a monitoring center is based on the number of accounts it monitors, with different weights given to different account types. Monitoring centers have different failover and redundancy requirements based on their MEW Factor. Learn how to calculate your MEW Factor


Q) Is ManitouNEO compliant to these new standards?

A) ManitouNEO is UL-listed (authorization File S5621, Volume 2) to all UL 1981 Revision 3 standards. The new Dashboard includes data required for UL 827 8th Edition, including the MEW Factor. Companies using BoldNet Neo for dealer access also meet the encryption requirements of UL 827.


Q) Does my monitoring center require a redundant site?

A) Only monitoring centers with a MEW Factor of over 100,000 will be required to have a redundant site. These companies will have until January 1, 2020 to comply.


Q) Are Cloud customers compliant?

A) Customers using ManitouNEO through Manitou Cloud Services are still compliant to all UL 1981 requirements. They also meet UL 827 redundancy requirements for PBX, telco, and data circuits. Manitou Cloud Services can also be used as a UL 827 redundant site for monitoring centers that are required to have one

Bold added 62 items to the ManitouNEO platform to be compliant with UL 1981 Revision 3. We also offer a Cloud option to provide monitoring centers with the infrastructure they need to be compliant with UL 827 8th Edition. Let us show you how we can help your monitoring center be UL-compliant!

How to Determine Your MEW Factor

The MEW Factor is determined by calculating the sum of the following formulas:

  • Number of Residential monitored accounts x .333
  • Number of Inactive Commercial monitored accounts x 1 (ManitouNEO identifies these as Active Commercial Accounts with no Open/Close service)
  • Number of supervised Commercial intrusion alarm systems with monitored Open/Close x 3 (ManitouNEO identifies these as Active Commercial accounts with a supervised Open/Close; if a partitioned system allows each area to send an Open/Close, then each partition is counted as a separate system)
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