Comnet Industrial 30W per Channel Gigabit Power over Ethernet 16 Channels Midspan - CNG16IPS

Comnet CNG16IPS 16-Port PoE Injector Midspan

The Comnet CNG16IPS is a 16-port Power over Ethernet midspan injector designed to deliver 30W of power per port across industrial surveillance, access control, and network infrastructure deployments. Built in the USA and TAA-compliant, this rack-mount or wall-mount unit injects PoE across 10/100/1000 Mbps Gigabit networks without requiring replacement of your existing network infrastructure—a critical advantage when retrofitting a surveillance system into an existing corporate or industrial LAN.

Overview

The CNG16IPS solves a common deployment problem: adding powered devices to a network when your switch lacks sufficient PoE budget. Rather than forking for a new PoE+ switch, you run Ethernet between your non-PoE switch and the CNG16IPS, then connect your cameras, access readers, and wireless access points to the injector's ports. The device operates at full gigabit speeds on all 16 channels simultaneously—no bandwidth sharing or per-port arbitration. Designed for industrial environments, the CNG16IPS includes full local and remote management via Comnet Vision Software, allowing you to monitor real-time power draw per port and set alert thresholds across the entire injector.

Key Features

• 30W per port across all 16 channels: Each port delivers a maximum of 30W, meeting the IEEE 802.3at standard—enough to run most modern IP cameras (5MP to 8MP turrets or domes pulling 12–25W), wireless access points (Cisco, Ubiquiti, Arista), and VoIP phones with expansion modules without power starvation. Critically, the power is not pooled—you get the full 30W on every port, not shared from a fixed total budget.
• Gigabit data rate (10/100/1000 Mbps) on all 16 ports: No bottleneck on throughput. Even if you run high-bitrate cameras (4MP+ at 30fps encoding to H.265), the injector passes full gigabit link speed to each device. Industrial surveillance systems often require sustained 50–100 Mbps aggregate throughput across multiple cameras—this injector will not be your constraint.
• IEEE 802.3af and 802.3at compliance: Both legacy (PoE, 15.4W) and modern (PoE+, 30W) powered devices work seamlessly. If you're phasing out older PoE cameras alongside newer PoE+ models, the injector handles both without configuration—no mode switching, no negotiation latency.
• Flexible mounting (rack or wall): The CNG16IPS fits standard 19-inch racks via included brackets or mounts directly on a wall next to your switch and UPS. Industrial installations often place power injectors in equipment rooms adjacent to network closets, minimizing cable runs and simplifying troubleshooting.
• TAA-compliant, made in USA: Sourced and manufactured domestically, the CNG16IPS meets federal procurement and cybersecurity supply-chain requirements—relevant for government contractors, critical infrastructure operators, and organizations with domestic-sourcing mandates.
• Full management via Comnet Vision Software: Real-time dashboards show per-port power consumption, voltage, and status. Alert notifications trigger on over-current, disconnection, or under-voltage conditions—essential in 24/7 surveillance deployments where a failed power feed to one camera often goes unnoticed until forensic review.

Integration & Compatibility

The CNG16IPS integrates into any existing Ethernet infrastructure without requiring VLANs, IP assignment, or complex routing. It operates at Layer 1 (physical) for power injection—your network protocols (RTSP, ONVIF, VMS APIs) pass through transparently. Comnet Gigabit PoE switches and the CNG16IPS are often paired in modular surveillance systems where initial switch capacity is limited; the injector extends your power delivery without replacing equipment. The device ships with a power cord; integration with facility UPS systems depends on your rack power distribution—most integrators connect the CNG16IPS to a 24U or 42U PDU on the same circuit as your core switch and NVR.

For deployment context, consider NVR storage planning alongside your PoE infrastructure—the CNG16IPS removes power as a constraint, but simultaneous high-resolution recording across all 16 ports still requires sufficient disk I/O and retention policy planning.

What's in the Box

1x CNG16IPS 16-port PoE injector, 1x power cord (USA-standard plug), mounting hardware for rack or wall installation.

Frequently Asked Questions

Q: Does the CNG16IPS require IP configuration or DHCP?

A: No. The injector operates as a passthrough power device at Layer 1. No IP address assignment, no VLAN tagging, no DHCP—the Comnet Vision Software connects to the unit via out-of-band serial or USB for local diagnostics, but network traffic from your cameras and devices passes through unmodified. This simplifies deployments in air-gapped or highly controlled networks.

Q: Can I daisy-chain multiple CNG16IPS units for more than 16 ports?

A: Yes. Because the injector operates at Layer 1, you can run the output of one CNG16IPS into the input of a second unit (or split across two non-PoE switches). However, power budget on your facility circuit becomes the constraint—each CNG16IPS can theoretically draw up to 480W (16 ports × 30W) at full load; ensure your UPS and PDU capacity account for peak simultaneous power draw from all injectors.

Q: What's the warranty on the CNG16IPS?

A: Contact Comnet directly for warranty terms specific to your region and purchase channel. Comnet typically offers multi-year coverage on industrial-grade equipment; confirm with your sales contact before deployment.

Q: Is the CNG16IPS TAA-compliant for federal procurement?

A: Yes. The product meets TAA compliance requirements and is manufactured in the USA, making it eligible for federal and defense contracting.

Q: Does the CNG16IPS support Power Class negotiation or per-port power limiting?

A: The injector delivers up to 30W per port without per-port power limiting. If a connected device draws excessive current and triggers an over-current condition, the Comnet Vision Software alerts you, but the injector does not automatically throttle or cut power. Size your facility breakers and UPS accordingly.

Marty Allison

The CNG16IPS solves a specific PoE infrastructure gap I encounter in retrofit surveillance projects. You have an existing network switch (often non-PoE or PoE-limited), and suddenly you're adding 12–16 powered cameras or access readers. Rather than replace the entire switch, the CNG16IPS injects 30W per port across all 16 channels, meaning you're not competing for a pooled power budget—each camera or reader gets its full allocation. That's a material difference from injectors that carve a fixed 120W or 240W total into slices.

Technical Highlights:

• 30W per port, no pooling: In a 16-port configuration, you're guaranteed 30W on every single port simultaneously. Compare that to midspan injectors with a shared 240W budget—at full load with 16 devices, each port would negotiate down to 15W, starving higher-power cameras or multi-reader access control setups. The CNG16IPS eliminates that negotiation and power-sharing overhead.
• Gigabit pass-through on all 16 ports: Full 1000 Mbps per port means you're not introducing a bandwidth pinch. In surveillance deployments with 5MP–8MP cameras at 30fps, aggregate bitrate can push 80–120 Mbps across 16 streams; the injector preserves that throughput without any Layer 2 buffering or switching delays.
• Comnet Vision Software for per-port power telemetry: Real-time monitoring of power draw per port is rare on commodity injectors. You can quickly spot when a camera PSU fails silently (sudden power drop on one port) or when a rogue device is pulling excessive current—critical in unattended remote sites where you won't know about a power failure until the camera goes dark in a live feed.

Deployment Considerations:

• Power budget math matters. The CNG16IPS can theoretically pull 480W at full saturation (16 × 30W). If your facility PDU or UPS is marginal, you need a dedicated 20A circuit or verify that your facility can sustain that peak draw. In tight installations, stagger camera and reader initialization so they don't all negotiate power simultaneously on startup.
• The injector does not rate-limit per port if a device goes haywire and draws over-current. If you connect a misconfigured or broken PoE device that draws 40W, the injector will attempt to deliver it, and the Comnet Vision Software alerts you—but by then you've already overloaded that port. Test devices on a lab injector before full deployment, or add facility-level circuit breakers per port in mission-critical installations.

The CNG16IPS is the right fit for industrial video surveillance retrofits where switch replacement is not an option and you need straightforward power injection with per-port visibility. Avoid it only if you need sub-13W devices (older PoE cameras) or power limiting on a per-port basis—in those cases, look for a managed PoE switch with granular port controls instead.