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Guardian sensors
Guardian sensors are passive network monitoring devices that provide asset visibility, detect threats, and support secure deployments across operational (OT) and Internet of Things (IoT) environments.
Technical specifications
Medium enterprise
NS1 250
The NS1 250 Guardian sensor is a high-capacity device for networks requiring greater scalability. It supports up to 5,000 nodes and 20,000 Internet of Things (IoT) devices, delivering efficient protection with 500 Mbps throughput.

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- Guardian sensors
  Guardian sensors are passive network monitoring devices that provide asset visibility, detect threats, and support secure deployments across operational (OT) and Internet of Things (IoT) environments.
  - Technical specifications
    - Large enterprise
    - Medium enterprise
      - NSG-M 1000
        The NSG-M 1000 Guardian sensor is a performance-driven security appliance for demanding environments. With support for 40,000 nodes and 200,000 Internet of Things (IoT) devices, it ensures reliable protection with modular expandability.
      - NSG-M 750
        The NSG-M 750 Guardian sensor is optimized for medium-sized networks requiring modular expansion. It offers support for up to 200,000 network elements and 50,000 Internet of Things (IoT) devices, with a scalable architecture for future growth.
      - NS20 1000
        The NS20 1000 Guardian sensor is a high-capacity security appliance for expansive networks. Supporting 40,000 nodes and 200,000 Internet of Things (IoT) devices, it delivers superior protection with 1 Gbps throughput and extensive scalability.
      - NS20 750
        The NS20 750 Guardian sensor is designed for medium-scale enterprise networks, offering advanced security for up to 200,000 network elements and 50,000 Internet of Things (IoT) devices. With 1 Gbps throughput, it ensures high-performance threat detection.
      - NS1 250
        The NS1 250 Guardian sensor is a high-capacity device for networks requiring greater scalability. It supports up to 5,000 nodes and 20,000 Internet of Things (IoT) devices, delivering efficient protection with 500 Mbps throughput.
      - NS1 100
        The NS1 100 Guardian sensor is a rack-mounted security appliance tailored for medium-scale networks. With 1,000 protected nodes and 500 Mbps throughput, it provides a cost-effective yet powerful cybersecurity solution.
    - Specialized requirements

NS1 250

The NS1 250 Guardian sensor is a high-capacity device for networks requiring greater scalability. It supports up to 5,000 nodes and 20,000 Internet of Things (IoT) devices, delivering efficient protection with 500 Mbps throughput.

Table 1. NS1 250
Maximum protected nodes	5,000
Maximum protected network elements	90,000
Maximum protected smart Internet of Things (IoT) devices	20,000
Maximum throughput	500 Mbps
Maximum Remote Collectors	20
Monitored ports	7x1000BASE-T
Management ports	1x1000BASE-T
Expansion slots	1 slot available 4x1000BASE-T \| 4xSFP
Storage	128 gigabyte (GB) for operating system (OS) and data
Form factor	1 rack unit
Maximum power consumption	220 W
Power supply	Single 100 - 240V AC
Temperature range	32 - 104 ℉ / 0 - 40 ℃
Height x width x length	1.75 x 17.3 x 12.7 in / 44 x 438 x 321 mm
Weight	19.4 lb / 8.8 kg
Certifications	CE \| FCC \| UL \| CB