Comprehensive Product Summary – OPT N2‑PoE354 PCIe‑PoE354at Expansion Module

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### 1. Product Overview

Product Name: OPT N2‑PoE354
Model: PCIe‑PoE354at Expansion
Series: Nuvo‑2500E Series Expansion Cassette Module
Article Number: OPT N2‑PoE354
Manufacturer: Neousys Technology Inc.

The OPT N2‑PoE354 is a ruggedized PCI Express Power‑over‑Ethernet (PoE) expansion module designed for integration within Neousys’ patented expansion cassette system. It is specifically engineered for the Nuvo‑2500E Series fanless embedded controllers, providing IEEE 802.3at‑compliant PoE+ functionality through a compact, thermally optimized PCIe interface. The module is pre‑integrated into Neousys’ proprietary cassette and heat‑sink assembly, ensuring reliable operation in harsh industrial environments.

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### 2. Key Features

- Integrated PCIe‑PoE354at Card: Provides four IEEE 802.3at (PoE+) Gigabit Ethernet ports capable of delivering up to 25.5 W per port.
- Neousys Patented Expansion Cassette: Mechanically isolates the add‑on card from the main system to minimize thermal interference and simplify maintenance.
- Back‑to‑Back Thermal Heat‑Sink Design: Dual‑sided heat dissipation structure ensures stable fanless operation up to 55 °C ambient temperature.
- Smart Fan Option: Optional active cooling fan (Fankit‑25) for extended thermal headroom in high‑load or enclosed installations.
- Rugged Industrial Design: Engineered for vibration, shock, and temperature extremes typical of embedded and automation environments.
- Plug‑and‑Play Integration: Fully compatible with Nuvo‑2500E embedded controllers; recognized automatically through the PCIe x4 slot (Gen 2, x1 signal).
- High‑Efficiency Power Delivery: Supports IEEE 802.3at PSE (Power Sourcing Equipment) standard with intelligent power management and overload protection.
- Compact Form Factor: Maintains the Nuvo‑2500E’s small footprint (205 × 145 × 73 mm) while adding advanced PoE networking capability.
- Fanless Reliability: Operates silently and without moving parts in ambient temperatures from 0 °C to 55 °C when installed in the Nuvo‑2500E cassette.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Interface | PCI Express x4 mechanical, 1‑lane Gen 2 signal |
| PoE Standard | IEEE 802.3at (PoE+) PSE |
| Number of Ports | 4 × Gigabit Ethernet (RJ‑45) |
| Power Output | Up to 25.5 W per port (IEEE 802.3at Type 2) |
| Total Power Budget | 90 W maximum (typical system limit dependent on Nuvo‑2500E power supply) |
| Power Input Range | 8 – 35 V DC (shared with Nuvo‑2500E system input) |
| Operating Temperature | 0 °C to 55 °C (fanless mode) |
| Storage Temperature | −40 °C to 85 °C |
| Humidity | 10 % – 90 %, non‑condensing |
| Cooling | Passive heat‑spreader with optional 25 × 25 × 10 mm fan (Fankit‑25) |
| Dimensions (Cassette Assembly) | 205 mm (W) × 145 mm (D) × 73 mm (H) – same as Nuvo‑2500E enclosure |
| Weight (approx.) | 2.3 kg including system controller and HDD |
| Material | Aluminum alloy chassis with integrated heat‑sink fins |
| Compliance | CE/FCC Class A (EN 55022 & EN 55024) |

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### 4. Functionality

The OPT N2‑PoE354 module functions as a PCIe‑based PoE+ expansion for the Nuvo‑2500E embedded controller. Once installed in the patented Neousys cassette, it provides four independent Gigabit Ethernet interfaces capable of supplying both data and electrical power to connected devices such as:

- Industrial IP cameras
- Wireless access points (Wi‑Fi APs)
- VoIP telephony endpoints
- Networked sensors and controllers

Each port automatically detects whether the connected device is PoE‑compatible and negotiates power delivery according to IEEE 802.3at standards. Non‑PoE devices are fully supported as standard Ethernet connections.

The module is ideal for machine vision, industrial automation, surveillance, and transportation systems where centralized power and data distribution are required.

Compatibility:
- Fully compatible with Nuvo‑2500E fanless embedded controllers.
- Supported by Neousys’ driver suite and BIOS integration for plug‑and‑play operation under Windows 7/8/10 and Linux (Ubuntu 14.04 or later).

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### 5. Components & Accessories

Included Components:
- PCIe‑PoE354at card pre‑installed in Neousys expansion cassette
- Integrated passive heat‑spreader and back‑to‑back thermal interface
- Smart fan connector (3‑pin 12 V DC)
- Mounting screws and thermal interface materials

Optional Accessories:
- Fankit‑25: 25 × 25 × 10 mm fan assembly for active cooling of cassette
- DINRAIL‑25: DIN‑rail mounting kit for Nuvo‑2500 series
- PA‑60W‑OW: 60 W AC/DC adapter (12 V, 5 A) rated −30 °C to 60 °C
- CSM‑PoE352: Alternative cassette module with dual‑port PoE+
- CSM‑USB380 / CSM‑USB340: USB 3.0 expansion cassette modules

Connectors on Cassette Backplane:
- 1 × PCIe x4 slot (1‑lane Gen 2 signal)
- 1 × 3‑pin 12 V fan power connector (12 V / GND / reserved)
- 1 × 4‑pin 5/12 V power connector (12 V, GND, GND, 5 V @ 2 A)

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### 6. Installation & Setup

Requirements:
- Nuvo‑2500E embedded controller with PCIe expansion cassette bay
- DC power supply rated 8 – 35 V DC (minimum 60 W recommended)
- Proper grounding and ventilation clearance

Installation Procedure:
1. Power off the Nuvo‑2500E and disconnect DC input.
2. Remove the cassette cover by loosening four M4 screws.
3. Insert the OPT N2‑PoE354 cassette into the PCIe x4 slot and secure with mounting screws.
4. Re‑attach the cassette cover and tighten screws to ensure thermal contact with the heat‑sink.
5. Connect the DC input and power on the system.
6. Install Neousys drivers from the Drivers & Utilities DVD or via automatic installation utility.

Mounting Options:
- Standard wall‑mount bracket (included)
- Optional DIN‑rail mount kit for industrial panels

Configuration:
- PoE ports are auto‑negotiating; no manual configuration required.
- BIOS and driver utilities allow per‑port enable/disable and status monitoring.

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### 7. Performance & Capabilities

- Network Throughput: 1 Gbps per port (full‑duplex)
- PoE Power Delivery: 25.5 W per port (max), 90 W aggregate budget
- Electrical Efficiency: > 90 % conversion efficiency from DC input to PoE output
- Thermal Performance: Fanless operation up to 55 °C ambient; with Fankit‑25 up to 70 °C (depending on system load)
- Reliability: MTBF > 100,000 hours at 25 °C ambient
- Protection Features: Over‑current, short‑circuit, and thermal shutdown protection per port
- Limitations: Total PoE power budget depends on system power supply capacity; ensure adequate DC input rating for full load operation.

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### 8. Standards & Compliance

- Electrical Safety: Conforms to IEC 60950‑1 and EN 62368‑1 requirements for information technology equipment.
- EMC Compliance: CE/FCC Class A per EN 55022 and EN 55024.
- Environmental Testing: Vibration (5 Grms, 5–500 Hz, 3 axes) and shock (50 Grms, 11 ms half‑sine) per IEC 60068‑2‑64 and ‑27.
- RoHS Directive: Compliant with 2011/65/EU and subsequent amendments.
- PoE Standard: IEEE 802.3af/at (PSE Type 1 and Type 2).
- PCI Express Specification: PCIe Base Specification Revision 2.0 (Gen 2 x1 lane).

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### 9. Additional Information

Warranty:
- Standard 3‑year limited manufacturer warranty covering materials and workmanship.

Technical Support:
- Comprehensive support via Neousys Technology website and authorized distributors.
- Driver and firmware updates available for Windows and Linux platforms.

Maintenance:
- Periodic inspection of thermal interfaces and dust removal recommended every 12 months.
- Fan module (Fankit‑25) if installed should be checked for bearing wear and replaced as needed.

Firmware & Software Updates:
- BIOS and PoE controller firmware updates distributed through Neousys support portal.
- Utilities include PoE port control API for software‑based enable/disable and status monitoring.

Service and Replacement:
- Cassette modules are field‑replaceable without disassembling the main system.
- Replacement part numbers and accessories available through Neousys authorized channels.

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### Summary

The OPT N2‑PoE354 PCIe‑PoE354at Expansion Module extends the functionality of Neousys’ Nuvo‑2500E fanless embedded controllers by adding four high‑power PoE+ Gigabit Ethernet ports within a thermally optimized, rugged cassette enclosure. Its integration of Neousys’ patented back‑to‑back heat‑sink design ensures reliable fanless operation in industrial environments up to 55 °C.

With full IEEE 802.3at compliance, robust electrical protection, and seamless PCIe Gen 2 integration, the module is ideally suited for machine vision, industrial automation, intelligent transportation, and surveillance applications requiring consolidated power and data distribution.

The OPT N2‑PoE354 exemplifies Neousys’ modular design philosophy—delivering high‑performance expansion in a compact, serviceable, and environmentally resilient form factor.