Comprehensive Product Summary: Opt N2‑USB340 PCIe 4×USB3.0 2 GB/s Expansion Module

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### 1. Product Overview

Product Name: Opt N2‑USB340
Article Number: Opt N2‑USB340
Model/Series: PCIe‑USB340 Cassette Module for Neousys Nuvo‑2500E Series
Manufacturer: Neousys Technology Inc.
Product Type: PCI Express x4 USB 3.0 Expansion Module (4 Ports, 2 GB/s Total Bandwidth)
Associated Platform: Nuvo‑2500E Fanless Embedded Controller with Neousys Patented Expansion Cassette

The Opt N2‑USB340 is a ruggedized, high‑performance USB 3.0 expansion module designed for integration within Neousys’ patented expansion cassette architecture. It provides four independent USB 3.0 ports with an aggregate throughput of up to 2 GB/s, optimized for industrial and embedded computing environments. The module is thermally coupled to a back‑to‑back heat‑sink assembly, ensuring stable fanless operation from 0 °C to 55 °C when installed in the Nuvo‑2500E series.

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### 2. Key Features

- High‑Speed USB 3.0 Expansion: Four SuperSpeed USB 3.0 ports supporting up to 5 Gb/s per port, with a combined bandwidth of 2 GB/s.
- PCI Express Interface: PCIe x4 mechanical connector operating with 1‑lane Gen 2 signal (5 GT/s).
- Rugged Fanless Design: Integrated within Neousys’ patented expansion cassette featuring a passive heat‑spreader and back‑to‑back thermal dissipation system.
- Industrial Reliability: Designed for continuous operation in harsh environments; supports fanless operation from 0 °C to 55 °C.
- Compact Integration: Fully compatible with Nuvo‑2500E embedded controllers without increasing system footprint.
- High Compatibility: Supports USB 3.0/2.0/1.1 devices; backward‑compatible with legacy peripherals.
- Optimized Power Delivery: Each port provides standard USB 3.0 5 V DC power output with over‑current protection.
- Plug‑and‑Play Expansion: Seamless integration with Neousys BIOS and driver architecture; no external cabling required inside the cassette.
- Thermal Efficiency: Dual‑sided heat‑sink design minimizes thermal coupling between the host CPU and expansion card.
- Industrial‑Grade Components: Built with extended‑temperature components for embedded and automation applications.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Interface | PCI Express x4 mechanical, 1‑lane Gen 2 signal (5 GT/s) |
| USB Ports | 4 × USB 3.0 Type‑A connectors |
| Total Bandwidth | 2 GB/s aggregate throughput |
| Power Supply | 12 V DC from Nuvo‑2500E backplane (shared with system PSU) |
| Operating Temperature | 0 °C to 55 °C (fanless) |
| Storage Temperature | −40 °C to 85 °C |
| Relative Humidity | 10 % – 90 %, non‑condensing |
| Cooling | Passive heat‑spreader with back‑to‑back thermal sink |
| Mechanical Integration | Neousys patented cassette module form factor |
| Dimensions (Cassette) | Approx. 205 mm (W) × 145 mm (D) × 73 mm (H) (system enclosure) |
| Weight (Module + System) | ~ 2.3 kg including CPU, memory and HDD |
| Compliance | CE/FCC Class A (EN 55022 & EN 55024) |

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### 4. Functionality

The Opt N2‑USB340 operates as a PCIe‑based USB 3.0 host controller integrated into the Nuvo‑2500E’s expansion cassette. The cassette connects internally to the system’s PCIe x4 slot (1‑lane Gen 2 signal) and exposes four external USB 3.0 Type‑A ports on the cassette’s I/O panel. Each port supports SuperSpeed (5 Gb/s), High‑Speed (480 Mb/s), Full‑Speed (12 Mb/s), and Low‑Speed (1.5 Mb/s) devices.

Use Cases & Applications:
- Industrial automation and machine‑vision systems requiring multiple high‑bandwidth USB 3.0 cameras.
- Data acquisition and sensor integration in rugged embedded platforms.
- High‑speed external storage or USB RAID arrays.
- Laboratory instrumentation and test‑measurement systems.
- Edge computing nodes requiring additional USB 3.0 interfaces for peripherals.

Compatibility:
- Fully compatible with Neousys Nuvo‑2500E series fanless embedded controllers.
- Supported operating systems: Windows 7/8/8.1 (32/64‑bit), Ubuntu 14.04 or later.
- Backward‑compatible with USB 2.0 and 1.1 devices.

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### 5. Components & Accessories

Included Items:
- PCIe‑USB340 cassette module with pre‑installed passive heat‑spreader.
- Mounting screws and thermal interface materials (pre‑assembled).
- Integrated PCIe backplane connector for Nuvo‑2500E cassette slot.

Optional Accessories (Neousys Ecosystem):
- Fankit‑25: 25 × 25 × 10 mm fan assembly for 1‑slot cassette (extends thermal headroom).
- DINRAIL‑25: DIN‑rail mounting kit for Nuvo‑2500 series.
- PA‑60W‑OW: 60 W AC/DC adapter (12 V, 5 A) for −30 °C to 60 °C operation.
- CSM‑PoE354/352: Alternative cassette modules with PoE ports.
- CSM‑USB380: Alternative USB 3.0 module variant with different port configuration.

Connectors on PCIe Backplane:
- 1 × PCIe x4 connector (1‑lane Gen 2 signal).
- 1 × 3‑pin 12 V fan power header (2.54 mm pitch).
- 1 × 4‑pin 5/12 V power header (2.0 mm pitch, 2 A rated current).

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### 6. Installation & Setup

Requirements:
- Compatible Nuvo‑2500E system with PCIe x4 cassette slot.
- DC input supply 8 – 35 V DC to system terminal block.
- Proper grounding and mounting for industrial environments.

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‑USB340 module into the PCIe connector on the cassette backplane.
4. Secure the module with M3 screws and re‑attach the cassette cover.
5. Reinstall the cassette into the system chassis and tighten mounting screws.
6. Connect external USB devices to the four USB 3.0 ports.
7. Power on the system and install drivers if required (Windows or Linux).

Mounting Options:
- Standard wall‑mount bracket (included).
- Optional DIN‑rail mount kit for control cabinet installation.
- Ensure vertical orientation for optimal heat dissipation.

Configuration:
- BIOS automatically detects the PCIe USB controller.
- USB 3.0 ports operate in xHCI mode by default (compatible with USB 2.0/1.1).
- Legacy USB support available via BIOS “Smart Auto” xHCI setting.

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### 7. Performance & Capabilities

- Data Throughput: Up to 2 GB/s aggregate bandwidth across four ports.
- Per‑Port Speed: 5 Gb/s (SuperSpeed USB 3.0).
- Latency: Low latency PCIe Gen 2 interface for real‑time applications.
- Power Efficiency: Optimized for fanless operation with minimal thermal impact.
- Thermal Management: Passive heat‑spreader maintains stable temperature under full load.
- Reliability: Validated for continuous operation in industrial temperature range (0 – 55 °C).
- Limitations: Requires Nuvo‑2500E cassette interface; not a stand‑alone PCIe card.
- System Integration: Shares 12 V power rail with host system; no external power adapter needed.

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### 8. Standards & Compliance

- USB Specification: Compliant with USB 3.0 (USB 3.1 Gen 1) and backward compatible with USB 2.0/1.1.
- PCI Express Specification: PCIe Base Specification 2.0 (Gen 2, 5 GT/s).
- EMC Compliance: CE/FCC Class A (EN 55022 & EN 55024).
- Environmental Testing: Vibration 5 Grms (5–500 Hz, 3 axes); Shock 50 Grms (11 ms half‑sine).
- Safety & Reliability: Designed for industrial use with extended temperature components.
- RoHS Compliance: All materials and components meet RoHS directives.
- Quality Assurance: Manufactured under ISO 9001 certified processes.

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### 9. Additional Information

Warranty & Support:
- Standard Neousys limited warranty (typically 2 years from shipment).
- Technical support via Neousys Technology and authorized distributors.
- Firmware and driver updates available through Neousys support portal.

Maintenance:
- No moving parts; maintenance‑free operation.
- Periodic inspection of connectors and thermal interfaces recommended.
- Clean dust from heat‑sink surfaces to maintain thermal efficiency.

Software Support:
- Windows 7/8/8.1 (32/64‑bit) and Linux (Ubuntu 14.04 or later).
- Automatic driver installation via Neousys Drivers & Utilities DVD (“One‑Click Installation”).
- Manual driver packages for Intel chipset, graphics, LAN, and USB 3.0 controllers included.

System Integration Notes:
- Designed for use with Nuvo‑2500E embedded controllers featuring Intel Celeron J1900 quad‑core processor (2.42 GHz, 2 MB cache).
- Compatible with systems supporting 8 – 35 V DC input and fanless operation up to 70 °C (with SSD).
- Expansion cassette supports add‑on cards up to 173 mm (W) × 121 mm (H).
- Optional auxiliary I/O modules (4 DI, 8 DO, 6 PWM, 1 encoder, 2 ADC) available for system integration.

Mechanical and Environmental Reliability:
- Aluminum chassis with integrated heat‑sink fins for efficient convection.
- Wall‑mount and DIN‑rail mount options for industrial enclosures.
- Operating vibration and shock tested per IEC 60068‑2‑64 and IEC 60068‑2‑27 standards.
- Humidity tolerance 10 % – 90 %, non‑condensing.

Regulatory Statements:
- FCC Part 15 Class A digital device compliance for commercial environments.
- CE mark indicates conformity with EU directives for EMC and safety.
- Proper cabling and grounding required to maintain compliance.

Manufacturer Information:
Neousys Technology Inc.
Industrial Embedded Computing Solutions
Website: [www.neousys‑tech.com](https://www.neousys-tech.com)
All specifications subject to change without prior notice.

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### Summary

The Opt N2‑USB340 is a purpose‑built, industrial‑grade USB 3.0 expansion module engineered for Neousys Nuvo‑2500E embedded controllers. By leveraging a PCIe Gen 2 interface and Neousys’ patented expansion cassette, it delivers four high‑speed USB 3.0 ports with a total bandwidth of 2 GB/s while maintaining fanless thermal stability. Its rugged construction, wide‑temperature operation, and compliance with industrial EMC standards make it ideal for automation, machine vision, and data acquisition applications requiring reliable, high‑bandwidth USB connectivity in compact embedded systems.