Comprehensive Product Summary: OPT N2‑PoE352 PCIe‑PoE352at Expansion Module for Nuvo‑2500E Series

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### 1. Product Overview

Product Name: OPT N2‑PoE352
Model: PCIe‑PoE352at Expansion
Series: Nuvo‑2500E/P Rugged Embedded Fanless Computers
Article Number: OPT N2‑PoE352
Manufacturer: Neousys Technology Inc.

The OPT N2‑PoE352 is a dedicated PCIe expansion module designed for integration within Neousys’ patented expansion cassette system used in the Nuvo‑2500E Series fanless embedded controllers. It incorporates the Neousys PCIe‑PoE352at board, providing IEEE 802.3at Power‑over‑Ethernet (PoE+) functionality through a thermally optimized cassette and back‑to‑back heat sink assembly. The module is engineered for rugged industrial environments and is compatible with the Nuvo‑2500E platform, offering extended connectivity and power delivery for PoE‑enabled devices such as IP cameras, sensors, and wireless access points.

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### 2. Key Features

- Integrated PoE+ Expansion: Incorporates the Neousys PCIe‑PoE352at card, enabling multiple IEEE 802.3at (25.5 W per port) PoE+ outputs for high‑power network devices.
- Patented Expansion Cassette Design: Utilizes Neousys’ proprietary cassette system that isolates thermal loads from the main system, ensuring stable fanless operation.
- Back‑to‑Back Thermal Heat Sink: Dual‑sided heat dissipation structure enhances thermal efficiency and reliability under continuous industrial workloads.
- Smart Fan Option: Includes a compact active cooling fan (Fankit‑25) for high‑temperature or high‑load applications, maintaining optimal thermal balance.
- Fanless Operation Range: Supports fanless operation from 0 °C to 55 °C ambient temperature when installed in Nuvo‑2500E systems.
- Rugged Embedded Integration: Designed for harsh industrial environments, vibration‑resistant, and compliant with IEC60068‑2‑64 and IEC60068‑2‑27 standards.
- Seamless Compatibility: Fully compatible with Nuvo‑2500E embedded controllers featuring Intel® Celeron® J1900 processors and PCIe x4 expansion slots.
- High‑Efficiency Power Delivery: Supports 8–35 V DC input range through the host system, ensuring stable PoE power sourcing.
- Compact Modular Design: Maintains the Nuvo‑2500E’s compact footprint (205 × 145 × 73 mm) while adding advanced networking capabilities.

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### 3. Technical Specifications

Physical Characteristics
- Dimensions (Cassette Assembly): 205 mm (W) × 145 mm (D) × 73 mm (H) (same as Nuvo‑2500E chassis)
- Weight: Approx. 2.3 kg (including CPU, memory, and HDD in host system)
- Material: Aluminum alloy chassis with integrated heat sink fins and thermal interface materials for conduction cooling.
- Mounting Options: Wall‑mount (standard) or DIN‑rail (optional DINRAIL‑25 kit).

Electrical and Power
- Input Voltage: 8 – 35 V DC (via host system terminal block).
- PoE Standard: IEEE 802.3at (PoE+) compliant, 25.5 W per port.
- Power Output: Total PoE power budget dependent on system PSU capacity (typically 60 W with PA‑60W‑OW adapter).

Environmental Ratings
- Operating Temperature: 0 °C – 55 °C (fanless); extended to –25 °C – 70 °C with SSD and optional fan.
- Storage Temperature: –40 °C – 85 °C.
- Humidity: 10 % – 90 %, non‑condensing.
- Vibration Resistance: 5 Grms, 5–500 Hz, 3 axes (IEC60068‑2‑64).
- Shock Resistance: 50 Grms, 11 ms half‑sine (IEC60068‑2‑27).

Compliance and EMC
- Certifications: CE/FCC Class A.
- Standards: EN 55022 & EN 55024 EMC compliance.

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### 4. Functionality

The OPT N2‑PoE352 module extends the Nuvo‑2500E’s networking capabilities by adding multiple PoE+ ports through a PCIe interface. It functions as a Power Sourcing Equipment (PSE), delivering both data and electrical power over standard Ethernet cabling. Each port automatically detects connected devices and negotiates power delivery according to IEEE 802.3at standards, ensuring safe operation with both PoE and non‑PoE devices.

Typical Use Cases:
- Industrial machine vision systems requiring PoE cameras.
- Intelligent transportation and surveillance systems.
- Factory automation and robotics with networked sensors.
- Edge computing nodes powering wireless access points or IoT gateways.

Compatibility:
- Fully compatible with Nuvo‑2500E embedded controllers (PCIe x4 @ x1 Gen2 signal).
- Supports integration with Neousys’ CSM‑PoE352 cassette module and other cassette‑based expansions (USB340, USB380, PoE354).

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### 5. Components & Accessories

Included Components:
- PCIe‑PoE352at card pre‑installed in Neousys expansion cassette.
- Integrated passive heat spreader and thermal interface materials.
- Smart fan assembly (optional, model Fankit‑25).
- Mounting screws and thermal pads.

Optional Accessories:
- Fankit‑25: 25 × 25 × 10 mm fan assembly for 1‑slot cassette.
- DINRAIL‑25: DIN‑rail mounting kit for Nuvo‑2500 series.
- PA‑60W‑OW: 60 W AC/DC adapter (12 V, 5 A DC output, –30 °C – 60 °C operation).
- CSM‑PoE354 / CSM‑PoE352: Alternative cassette modules with pre‑installed PoE boards.
- CSM‑USB380 / CSM‑USB340: USB expansion cassette modules.

Connectors:
- RJ‑45 Gigabit Ethernet ports with PoE PSE functionality.
- Internal 12 V and 5 V auxiliary power connectors for add‑on cards.
- 3‑pin fan power connector (12 V DC).

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### 6. Installation & Setup

System Requirements:
- Host platform: Nuvo‑2500E Series embedded controller with PCIe x4 slot (@ x1 Gen2 signal).
- Power supply: 8 – 35 V DC input via 3‑pin terminal block.
- Operating system: Windows 7/8/10 (32/64‑bit) or Linux (Ubuntu 14.04 or later).

Installation Procedure:
1. Power off the Nuvo‑2500E system and disconnect DC input.
2. Remove the expansion cassette cover by loosening four M4 screws.
3. Insert the PCIe‑PoE352at card into the PCIe x4 connector on the cassette backplane.
4. Secure the card with M3 screws and re‑attach the cassette cover.
5. Reinstall the cassette into the system chassis and tighten mounting screws.
6. Connect Ethernet cables to PoE ports and apply DC power.
7. Install Neousys drivers from the Drivers & Utilities DVD or download from the manufacturer’s website.

Configuration:
- PoE port status and power control can be managed via Neousys PoE API functions (`EnablePoEPort`, `DisablePoEPort`, `GetStatusPoEPort`).
- BIOS and driver settings are automatically recognized by the Nuvo‑2500E firmware.

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### 7. Performance & Capabilities

Networking Performance:
- Ethernet Controller: Intel® I210 Gigabit Ethernet controller.
- Data Rate: 10/100/1000 Mbps auto‑negotiation.
- PoE Power Output: 25.5 W per port (IEEE 802.3at Type 2).
- Total Power Budget: Dependent on system power supply (typically 60 W with PA‑60W‑OW).

System Integration:
- Maintains dual independent display support (VGA and DVI‑D up to 2560 × 1600).
- Supports dual storage (2.5″ SATA HDD/SSD + mSATA).
- Provides 2 × Gigabit Ethernet ports on base system plus additional PoE ports via expansion.
- Optional Aux I/O (4 DI, 8 DO, 6 PWM, 1 encoder, 2 AI) for automation control.

Thermal Performance:
- Passive heat spreader and back‑to‑back heat sink design minimize thermal impact on CPU and system components.
- Optional fan module activates under high ambient temperature or continuous PoE load.

Limitations:
- PoE power budget limited by system power supply capacity.
- Operating temperature range depends on storage type (SSD recommended for sub‑zero operation).

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### 8. Standards & Compliance

- Electrical Safety: Complies with IEEE 802.3at PoE PSE standards.
- EMC Compliance: CE/FCC Class A (EN 55022 & EN 55024).
- Environmental Testing: IEC60068‑2‑64 (vibration) and IEC60068‑2‑27 (shock).
- RoHS Compliance: All materials and components are RoHS compliant.
- Quality Assurance: Manufactured under ISO 9001 certified processes.

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### 9. Additional Information

Warranty:
- Standard 3‑year limited warranty covering manufacturing defects and hardware failures under normal operating conditions.

Technical Support:
- Neousys provides comprehensive technical support including driver updates, firmware revisions, and API libraries for PoE and I/O control.
- Documentation and software available via [www.neousys‑tech.com](https://www.neousys-tech.com).

Maintenance:
- Periodic inspection of thermal interfaces and cleaning of heat sink fins recommended for long‑term reliability.
- Fan module (if installed) should be checked for dust accumulation and rotational integrity every 6 months.

Firmware and Software Updates:
- BIOS and driver updates available through Neousys support portal.
- PoE API library updates ensure compatibility with new operating systems and security patches.

Service and Replacement Parts:
- Replacement cassette modules (CSM‑PoE352, CSM‑PoE354, CSM‑USB380, CSM‑USB340) available for field service.
- Authorized service centers provide RMA and repair support for industrial deployments.

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### Summary

The OPT N2‑PoE352 PCIe‑PoE352at Expansion is a robust, high‑efficiency PoE+ module purpose‑built for Neousys’ Nuvo‑2500E fanless embedded controllers. By combining advanced thermal engineering, rugged mechanical design, and full IEEE 802.3at compliance, it enables reliable power and data delivery to multiple networked devices in industrial automation, surveillance, and machine vision applications. The patented expansion cassette ensures thermal isolation and modular scalability, while optional accessories such as the Fankit‑25 and DINRAIL‑25 provide installation flexibility. With wide‑range DC input, extended temperature tolerance, and comprehensive software support, the OPT N2‑PoE352 delivers industrial‑grade performance and long‑term reliability in demanding embedded environments.