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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
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.

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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

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.

Table 1. NS20 1000
Maximum protected nodes	40,000
Maximum protected network elements	600,000
Maximum protected smart Internet of Things (IoT) devices	200,000
Maximum throughput	1 Gbps
Maximum Remote Collectors	50
Monitored ports	9x1000BASE-T + 4xSFP
Management ports	1x1000BASE-T
Expansion slots	2 slots available 4x1000BASE-T \| 4xSFP \| 4xSFP+
Storage	32 gigabyte (GB) for operating system (OS), 2 x 256 GB for data (RAID 1)
Form factor	1 rack unit
Maximum power consumption	300 W
Power supply	Dual 100 - 240V AC
Temperature range	32 - 104 ℉ / 0 - 40 ℃
Height x width x length	1.73 x 17.3 x 19.74 in / 44 x 438 x 501 mm
Weight	36.37 lb / 16.5 kg
Certifications	CE \| FCC \| UL \| CB