---
title: CMDB CI classes for Operational Technology Manager
description: Operational Technology Manager adds these Configuration Management Database \(CMDB\) configuration item \(CI\) classes that are part of the CMDB CI Class Models application.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/operational-technology/operational-technology-manager/cmdb\_ci\_classes\_operational\_technology\_manager.html
release: australia
product: Operational Technology Manager
classification: operational-technology-manager
topic_type: reference
last_updated: "2026-10-09"
reading_time_minutes: 1
breadcrumb: [Explore, Operational Technology Manager, Operational Technology]
---

# CMDB CI classes for Operational Technology Manager

Operational Technology Manager adds these Configuration Management Database \(CMDB\) configuration item \(CI\) classes that are part of the CMDB CI Class Models application.

**Note:** To learn more about this application, see the CMDB CI Class Models application in the [ServiceNow Store](https://store.servicenow.com/sn_appstore_store.do).

|Class|Description|CI class extended|
|-----|-----------|-----------------|
|Network Intrusion Detection System|The Network Intrusion Detection System \(NIDS\) \[cmdb\_ci\_nids\] class builds the relationships between passive network monitoring appliances, and the devices on the network that it discovers.|cmdb\_ci\_nids|

**Parent Topic:**[Exploring the Operational Technology Manager](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/operational-technology-manager/exploring-operational-technology-manager.md)