Comprehensive Product Summary: Neousys MezIO™ Interchangeable Mezzanine I/O Boards

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### 1. Product Overview

Product Name: MezIO™ Interchangeable Mezzanine I/O Boards
Series: MezIO™ Expansion Interface Modules
Manufacturer: Neousys Technology Inc.
Article Number: MezIO
Applicable Models: Nuvo-7000, Nuvo-5000, Nuvo-7160GC, Nuvo-5095GC, Nuvo-5026E, POC-500, POC-300, POC-120MZ series embedded controllers

Description:
The Neousys MezIO™ series is a family of modular, application-oriented I/O expansion boards designed to integrate seamlessly with Neousys embedded systems. Each MezIO™ module connects through a high-speed board-to-board interface, providing power rails, control, and computer signals to extend system functionality. The MezIO™ ecosystem includes serial communication, digital I/O, Ethernet/PoE, USB 3.0, SATA storage, and ignition power control modules, enabling flexible customization for industrial, in-vehicle, and automation applications.

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### 2. Key Features

- Modular Expansion Architecture:
The MezIO™ interface allows quick installation and interchangeability of I/O modules without redesigning the base system.

- Comprehensive I/O Options:
Modules include serial communication (RS-232/422/485), isolated digital I/O, Gigabit Ethernet with PoE+, USB 3.0, SATA storage, and ignition power control.

- High Reliability and Industrial Design:
All modules feature industrial-grade components, ESD protection, and isolation up to 3750 Vrms for digital I/O channels.

- Seamless System Integration:
Fully compatible with Neousys embedded platforms, ensuring mechanical and electrical fit with Nuvo and POC series systems.

- Software and OS Support:
Drivers available for Windows 7/8/8.1/10 and Linux kernel 2.6.32 or later.

- Ease of Installation:
Designed for tool-assisted installation with three-point standoff mounting and standardized 68‑pin SCSI‑II connectors.

- In‑Vehicle Functionality:
MezIO‑V20 provides 16‑mode ignition power control with programmable on/off delays, low‑battery protection, and ultra‑low standby power.

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### 3. Technical Specifications

General Interface:
- High‑speed board‑to‑board connector
- Power rails and control signals provided by host system
- 68‑pin SCSI‑II female connector for external I/O

Representative Module Specifications:

MezIO‑C180 / C181 (Serial Communication):
- 8 ports total
- C180: 4 × RS‑232/422/485 + 4 × RS‑232
- C181: 4 × RS‑232/422/485 + 4 × RS‑422/485
- Baud rate: 50 bps – 921,600 bps
- FIFO: 256‑byte TX/RX
- ESD protection: 8 kV (installation guide lists 15 kV)
- Connector: 68‑pin SCSI‑II
- OS support: Windows 7/8/8.1/10, Linux 2.6.32+

MezIO‑D230 / D220 (Isolated Digital I/O):
- D230: 16 DI + 16 DO channels
- D220: 8 DI + 8 DO channels
- Isolation voltage: 3750 Vrms
- Logic high: 5–24 VDC; logic low: 0–1.5 VDC
- DO sink current: 500 mA per channel (100 % duty)
- Operation voltage: up to 24 VDC (max 30 VDC)
- Operation modes: Polling, Change‑of‑State (COS)

MezIO‑G4 / G4P (Gigabit Ethernet / PoE+):
- 4 × Gigabit Ethernet ports via Intel® I210 controllers
- Jumbo frame support: 9.5 kB
- PoE+ (802.3at‑2009) on G4P model: 25.5 W per port
- Cable: CAT‑5e/6, 100 m max

MezIO‑U4‑30 / U4‑50 (USB 3.0):
- 4 × USB 3.0 Type‑A ports, backward compatible with USB 2.0/1.1/1.0
- U4‑30: 2 × Renesas μPD720202 controllers (5 Gbps shared by two ports)
- U4‑50: 4 × Renesas μPD720202 controllers (5 Gbps per port)
- Per‑port current limit: 900 mA

MezIO‑R10 / R11 / R12 (Storage & Expansion):
- R10: 1 × 2.5″ SATA HDD/SSD + 1 × mini‑PCIe with SIM socket
- R11: 1 × 2.5″ SATA HDD/SSD
- R12: 1 × 2.5″ SATA HDD/SSD + 4 DI + 4 DO isolated channels

MezIO‑V20 (Ignition Power Control):
- 16 predefined on/off delay modes
- 1 × full‑size mini‑PCIe socket (USB signal only) with SIM socket
- Input voltage: 8–35 VDC
- Ultra‑low standby power < 2 mW
- Low‑battery cutoff: < 9 V (12 V input) or < 18 V (24 V input)

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### 4. Functionality

Each MezIO™ module extends the host system’s I/O capabilities through a standardized mezzanine interface. The modules are plug‑in boards that connect directly to the system’s internal expansion port, enabling additional communication, control, or power management functions without external cabling complexity.

Use Cases:
- Industrial Automation: Digital I/O modules for machine control and sensor integration.
- Transportation & Fleet Computing: Ignition power control (V20) for vehicle startup/shutdown sequencing.
- Surveillance & Vision Systems: PoE+ Ethernet modules (G4P) for IP camera deployment.
- Data Acquisition & Control: Serial modules (C180/C181) for legacy equipment communication.
- Edge Computing & AI Systems: USB 3.0 modules (U4) for high‑speed peripheral connectivity.
- Storage Expansion: R‑series modules for additional SATA drives or wireless communication cards.

Compatibility:
Fully compatible with Neousys Nuvo and POC series controllers. Each module is mechanically and electrically matched to specific models as listed in the compatibility tables (e.g., C180‑50 for Nuvo‑7000/5000, C180‑12 for POC‑120MZ).

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### 5. Components & Accessories

Included Items:
- MezIO™ module board
- Mounting screws (3 pcs)
- I/O shield (if applicable)

Optional Accessories:
- Cbl‑S68M‑8DB9M‑50CM: SCSI‑68 (M) to 8 × DB‑9 (M) cable (50 cm) for serial modules
- Cbl‑S68M‑S68M‑100CM: SCSI‑68 (M) to SCSI‑68 (M) cable (100 cm) for digital I/O modules
- TB‑10: Terminal board with 68‑pin SCSI‑II female connector and 68‑pole terminal block

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### 6. Installation & Setup

Requirements:
- Compatible Neousys system with MezIO™ interface
- Qualified service personnel for installation
- ESD protection (wrist strap and anti‑static mat)

Mounting Procedure:
1. Power off and disconnect all cables.
2. Remove system panels to access the MezIO™ port.
3. Align the module connector and three standoffs.
4. Gently lower the module onto the port and secure with three screws.
5. Replace I/O shield if required.
6. Reassemble the system enclosure.

Configuration:
- Install appropriate drivers from Neousys website.
- For V20 modules, select ignition mode via rotary switch (Mode 0–14).
- Configure Windows power button behavior to “Shut down” for proper ignition control operation.

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### 7. Performance & Capabilities

Serial Modules (C180/C181):
- High‑speed serial communication up to 921.6 kbps
- Independent FIFO buffers for each port
- Multi‑protocol support (RS‑232/422/485)

Digital I/O Modules (D220/D230):
- High‑isolation photo‑coupler inputs and MOSFET outputs
- 500 mA sink current per channel for relay or actuator control
- Deterministic startup state (logic 0) for safe operation

Ethernet Modules (G4/G4P):
- Dedicated Intel I210 controllers per port for optimized throughput
- PoE+ power delivery up to 25.5 W per port (G4P)
- 9.5 kB jumbo frame support for high‑bandwidth applications

USB Modules (U4‑30/U4‑50):
- SuperSpeed USB 3.0 (5 Gbps) bandwidth
- Independent controllers for maximum throughput (U4‑50)
- 900 mA per‑port current limit for power‑hungry devices

Storage Modules (R‑Series):
- SATA III interface for 2.5″ HDD/SSD
- Optional mini‑PCIe slot with SIM socket for wireless modules

Ignition Control (V20):
- 16 modes with programmable on/off delays (10 s to 2 h)
- Hard‑off timeout (10 min) for system safety
- Smart off‑delay detects system shutdown to preserve battery

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### 8. Standards & Compliance

- PoE Standard: IEEE 802.3at‑2009 (PoE+)
- USB Standard: USB 3.0 SuperSpeed (5 Gbps)
- Ethernet Standard: IEEE 802.3ab Gigabit Ethernet
- Isolation Protection: Up to 3750 Vrms (D220/D230)
- ESD Protection: Up to 15 kV (serial modules)
- Operating System Support: Windows 7/8/8.1/10, Linux 2.6.32+
- Regulatory Compliance: Designed for industrial and vehicular environments (CE/FCC compliance in host systems)

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### 9. Additional Information

Warranty & Support:
All Neousys products are covered by the standard manufacturer warranty policy. Firmware and software updates are available through the Neousys website or authorized service partners. Customers are responsible for ensuring compatibility with third‑party hardware and software.

Maintenance:
- Only qualified personnel should service the system.
- Disconnect power and cables before servicing.
- Handle modules by edges or heat sink to avoid ESD damage.

Safety Precautions:
- Install modules in a stable location with adequate ventilation.
- Ensure correct power range before operation.
- Disconnect from mains if unused for extended periods.

Manufacturer Contact:
Neousys Technology Inc.
15F, No. 868‑3, Zhongzheng Rd., Zhonghe Dist., New Taipei City 23586, Taiwan
Tel: +886‑2‑2223‑6182   Fax: +886‑2‑2223‑6183
Email: sales@neousys‑tech.com   Website: www.neousys‑tech.com

Regional Offices:
- Neousys Technology America Inc. – Northbrook, IL, USA
- Neousys Technology (China) Ltd. – Shanghai, China

Patents & Trademarks:
Neousys, the Neousys logo, Expansion Cassette, and MezIO™ are registered trademarks of Neousys Technology Inc. Intel®, Core™, and NVIDIA® marks are property of their respective owners.

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### Summary

The Neousys MezIO™ Interchangeable Mezzanine I/O Boards provide a unified, modular approach to expanding embedded system functionality. With a broad selection of modules—ranging from serial communication and digital I/O to PoE Ethernet, USB 3.0, SATA storage, and ignition power control—MezIO™ enables tailored solutions for industrial automation, transportation, and edge computing applications. Each module is engineered for rugged reliability, high performance, and ease of integration within Neousys embedded platforms, ensuring long‑term expandability and system flexibility.