Atlona Network-Enabled Occupancy Sensor - AT-OCS-900N

Product Overview

The Atlona AT-OCS-900N is a network-enabled multi-function ceiling sensor that detects room occupancy, temperature, and ambient light level for automated AV system control. Using passive infrared (PIR) technology and IP-based communication, it integrates with Atlona Velocity, Omega, and WAVE product ecosystems to automatically start up or shut down AV systems based on room occupancy. The AT-OCS-900N is the ideal PIR occupancy sensor for conference rooms, classrooms, and huddle spaces where energy-efficient, touchless AV automation is required.

Product Description

The Atlona AT-OCS-900N is a ceiling-mounted multi-function sensor for AV automation in commercial environments. It uses passive infrared (PIR) detection technology to sense occupancy in the coverage area and communicates that state over an IP network to Atlona products including the AT-WAVE-101, AT-OME-MS42, AT-OME-MS52W, AT-OME-MH21, AT-OME-MH21-CP, AT-UHD-SW-510W, and Velocity AV control systems. When occupancy is detected, these products can automatically power on displays, select inputs, and activate AV systems; when the space becomes vacant, the system shuts down automatically. The sensor is supplied with two interchangeable lenses: a standard lens covering 900 square feet (83.6 m2) and an accessory high-ceiling lens covering up to 2,000 square feet (185.8 m2). A blinder insert is included to limit the field of view to 240 degrees where full 360-degree detection is not desirable, such as near doorways or windows with cross-traffic. Beyond occupancy, the AT-OCS-900N also captures ambient temperature (−40°C to +125°C) and ambient light levels (0 to 65,535 lux with RGBW 16-bit color spectrum), enabling integration with building management and lighting systems. Open-protocol network communication uses UDP, TCP, WebSocket (JSON over WebSocket), MQTT, and mDNS — allowing third-party ventilation, lighting, and energy management systems to consume the sensor data. A single PoE (802.3af) connection provides both power and network communication over one cable. Installation uses self-contained spring-loaded clamps that secure the sensor directly to a ceiling tile without additional hardware. Configurable LED indicators can be customized for both color and illumination mode to match room decor or operational preference. The unit is NDAA-899 compliant, CE and FCC certified, and UL 916 listed.

Key Features

• PIR Occupancy Detection — Passive infrared technology accurately detects human presence for reliable AV automation triggering.
• IP-Enabled over PoE — Single RJ45 connection (802.3af PoE) delivers both network communication and power, simplifying installation.
• Multi-Function Sensing — Captures occupancy, ambient temperature (-40°C to +125°C), and ambient light level (0 to 65,535 lux) in one device.
• Native Atlona Integration — Communicates directly with AT-WAVE-101, AT-OME-MS42, AT-OME-MS52W, AT-OME-MH21/CP, AT-UHD-SW-510W, and Velocity for automatic display on/off control.
• Open Protocol Support — UDP, TCP, JSON over WebSocket, MQTT, and mDNS enable third-party integration with lighting, ventilation, and building management systems.
• Configurable Coverage Area — Standard lens covers 900 ft2 (83.6 m2); included accessory lens covers 2,000 ft2 (185.8 m2) at higher ceiling heights.
• 360-Degree Field of View — Full 360-degree standard coverage, reducible to 240 degrees using the included blinder insert.
• Configurable LED Indicators — Four LEDs customizable for color and inner/outer illumination to match installation requirements.
• Tool-Free Ceiling Tile Installation — Spring-loaded clamps secure the unit directly to ceiling tile without additional mounting hardware.
• NDAA-899 Compliant — Meets National Defense Authorization Act Section 899 supply chain security requirements.

Typical Applications

• Conference rooms and huddle spaces with automatic AV system startup and shutdown based on occupancy
• Corporate open-plan offices with shared display systems triggered by room presence
• K-12 and higher education classrooms automating projector and display control when a class begins and ends
• Hospitality lobbies and retail environments triggering digital signage or video wall playback based on motion near displays
• Government facilities requiring NDAA-compliant automation with third-party building system integration
• Energy management systems using occupancy, temperature, and light level data to optimize HVAC and lighting

Technical Specifications

Frequently Asked Questions

Q: What AV products does the AT-OCS-900N work with natively?

The AT-OCS-900N communicates directly over the network with the AT-WAVE-101, AT-OME-MS42, AT-OME-MS52W, AT-OME-MH21, AT-OME-MH21-CP, and AT-UHD-SW-510W for automatic display on/off control. It also integrates with Velocity AV control systems for more complex automation logic.

Q: What area does the AT-OCS-900N cover?

The standard included lens covers 900 square feet (83.6 m2). The included accessory high-ceiling lens covers up to 2,000 square feet (185.8 m2) at greater ceiling heights. The blinder insert can reduce the field of view from 360 degrees to 240 degrees to avoid false triggers from doorways or windows.

Q: How is the AT-OCS-900N powered and connected?

The sensor is powered by a single PoE connection compliant with IEEE 802.3af. The same cable provides both network communication and power, so only one Cat cable run to the ceiling is needed.

Q: Can the AT-OCS-900N integrate with third-party systems like HVAC or lighting?

Yes. The sensor's open-protocol design supports UDP, TCP, JSON over WebSocket, MQTT, and mDNS, allowing third-party building management, lighting, and ventilation systems to subscribe to occupancy, temperature, and ambient light data.

Q: Does the AT-OCS-900N only detect occupancy, or does it measure other environmental data?

In addition to PIR-based occupancy detection, the AT-OCS-900N measures ambient temperature (-40°C to +125°C) and ambient light level (0 to 65,535 lux with RGBW 16-bit color spectrum), providing a complete environmental snapshot for automation and building management systems.

Q: How is the sensor mounted to the ceiling?

The AT-OCS-900N uses self-contained spring-loaded clamps that grip a standard ceiling tile, requiring no additional mounting hardware or tools for installation.

Q: Is the AT-OCS-900N compliant with government procurement requirements?

Yes. The AT-OCS-900N is NDAA Section 899 compliant, making it suitable for government, defense, and federal agency AV installations with supply chain security requirements.

Q: Where can I purchase the AT-OCS-900N?

The AT-OCS-900N is available at creationnetworks.net, a professional commercial AV reseller.