Comprehensive Product Summary: MezIO‑C180‑50

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### 1. Product Overview

Product Name: MezIO‑C180‑50
Model Number: MezIO‑C180‑50
Series: MezIO™ Modular Expansion Series
Article Number: MezIO‑C180‑50
Manufacturer: Neousys Technology, Inc.
Product Type: Interchangeable serial communication expansion module
Product Description: The MezIO‑C180‑50 is an 8‑port serial communication module designed to expand the I/O capabilities of Neousys embedded platforms. It provides four RS‑232/422/485 configurable ports and four dedicated RS‑232 ports through a high‑density 68‑pin SCSI‑II connector. The module supports software‑programmable mode configuration via BIOS and integrates seamlessly with Neousys systems through subsystem identification for automatic BIOS recognition.

Compatible Host Systems:
- Nuvo‑7160GC / Nuvo‑7164GC
- Nuvo‑7000 Series
- Nuvo‑5000 Series
- POC‑500 Series
- POC‑300 Series

The MezIO‑C180‑50 belongs to Neousys’ MezIO™ family of modular expansion boards, which provide standardized electrical and mechanical interfaces for adding functionality such as serial ports, digital I/O, PoE, USB, or storage to embedded controllers.

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### 2. Key Features

- 8‑Port Serial Expansion: Provides a total of eight serial communication ports — four configurable RS‑232/422/485 ports and four fixed RS‑232 ports — enabling flexible connectivity for industrial and automation devices.
- Software‑Configurable Modes: Each of the four configurable ports can be set to RS‑232, RS‑422, or RS‑485 mode through BIOS software configuration, eliminating the need for manual jumper settings.
- High‑Speed Communication: Supports baud rates from 50 bps up to 921,600 bps, suitable for a wide range of serial communication applications.
- Enhanced Data Handling: Equipped with 256‑byte transmit (TX) and receive (RX) FIFOs per port, ensuring stable data transmission and reception even under high‑throughput conditions.
- Robust Electrical Protection: Each port features 8 kV ESD (Electrostatic Discharge) protection, safeguarding connected devices and ensuring long‑term reliability in industrial environments.
- Standardized Connector Interface: Utilizes a 68‑pin SCSI‑II female connector for compact, high‑density signal transmission and easy integration with Neousys cable accessories.
- Automatic System Recognition: Incorporates Neousys subsystem ID and subsystem vendor ID for automatic BIOS recognition, simplifying installation and configuration.
- Cross‑Platform OS Support: Compatible with Windows 7/8/8.1/10 and Linux kernel 2.6.32 or later, ensuring broad software compatibility.
- Industrial‑Grade Design: Engineered for rugged embedded systems, supporting reliable operation in automation, transportation, and machine‑control environments.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Number of Ports | 8 total (4 × RS‑232/422/485 configurable, 4 × RS‑232 fixed) |
| Baud Rate Range | 50 bps to 921,600 bps |
| FIFO Buffers | 256‑byte TX and RX FIFOs per port |
| ESD Protection | ±8 kV (contact discharge) |
| Interface Signals | RS‑232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND<br>RS‑422: TxD+, TxD‑, RxD+, RxD‑, GND<br>RS‑485: Data+, Data‑, GND |
| Connector Type | 68‑pin SCSI‑II female connector |
| Operating Systems Supported | Windows 7, 8, 8.1, 10; Linux kernel 2.6.32 or later |
| Interface Type | MezIO™ proprietary interface for Neousys embedded systems |
| Electrical Interface | TTL/RS‑232/RS‑422/RS‑485 signaling levels |
| Communication Standard Compliance | EIA/TIA‑232, EIA/TIA‑422, EIA/TIA‑485 |
| Physical Dimensions | Matches MezIO™ mechanical form factor (compact embedded module size) |
| Weight | Lightweight module (typically <100 g, depending on configuration) |
| Material | Industrial‑grade PCB with metal shielding and high‑reliability connectors |
| Power Source | Supplied via host system’s MezIO™ interface (no external power required) |

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### 4. Functionality

The MezIO‑C180‑50 functions as a serial communication expansion module that connects directly to the MezIO™ interface of compatible Neousys embedded controllers. Once installed, it provides eight additional serial ports accessible through the system’s BIOS and operating system.

Operational Modes:
- RS‑232 Mode: Standard asynchronous serial communication for legacy devices such as modems, barcode scanners, and sensors.
- RS‑422 Mode: Differential signaling for long‑distance, noise‑resistant communication between two devices.
- RS‑485 Mode: Multi‑drop communication supporting up to 32 devices on a single bus, ideal for industrial automation and control networks.

Use Cases and Applications:
- Industrial automation systems requiring multiple serial connections
- Machine vision controllers interfacing with PLCs and sensors
- Transportation and in‑vehicle computing systems
- Data acquisition and control systems
- Legacy equipment integration in manufacturing environments
- POS (Point‑of‑Sale) and kiosk systems requiring multiple COM ports

Compatibility:
The module is designed for seamless integration with Neousys’ modular embedded platforms, including the Nuvo and POC series. It communicates through the proprietary MezIO™ interface, ensuring plug‑and‑play functionality and BIOS‑level recognition.

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### 5. Components & Accessories

Included Components:
- MezIO‑C180‑50 module (assembled and tested)
- 68‑pin SCSI‑II female connector interface
- Mounting hardware (screws and standoffs for secure attachment to host system)
- Documentation and installation guide

Optional Accessories:
- Cbl‑S68M‑8DB9M‑50CM: SCSI‑68 (male) to 8 × DB‑9 (male) breakout cable, 50 cm length — provides convenient access to individual serial ports for external device connection.
- TB‑10 Terminal Board (optional): Terminal board with 68‑pin SCSI‑II female connector and 68‑pole terminal block for custom wiring and prototyping.

Connectors and Interfaces:
- One 68‑pin SCSI‑II female connector for serial signal output
- MezIO™ edge connector for host system interface

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### 6. Installation & Setup

Requirements:
- Compatible Neousys embedded system with a free MezIO™ slot
- Appropriate BIOS version supporting MezIO‑C180‑50 recognition
- Operating system with serial driver support (Windows or Linux)

Installation Steps:
1. Power off the host system and disconnect external power.
2. Remove the system’s expansion cover to access the MezIO™ slot.
3. Align the MezIO‑C180‑50 module with the slot connector and gently insert it until fully seated.
4. Secure the module using the provided screws and standoffs.
5. Connect the SCSI‑68 cable (e.g., Cbl‑S68M‑8DB9M‑50CM) to the module’s connector.
6. Reassemble the system enclosure and power on the device.
7. Enter BIOS setup to verify module detection and configure port modes (RS‑232/422/485).
8. Boot into the operating system; the ports will appear as standard COM interfaces.

Mounting Options:
- Internal mounting within the host chassis using standard MezIO™ mechanical alignment points.
- Cable routing through system I/O panels for external device connectivity.

Configuration:
- Port mode selection (RS‑232/422/485) is software‑controlled via BIOS.
- Baud rate, parity, stop bits, and flow control are configured through the OS or application software.

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### 7. Performance & Capabilities

Communication Speed:
- Supports baud rates from 50 bps to 921,600 bps, enabling both low‑speed legacy communication and high‑speed data transfer.

Data Buffering:
- 256‑byte transmit and receive FIFOs per port reduce CPU overhead and prevent data loss during high‑throughput operations.

Signal Integrity:
- Differential signaling for RS‑422/485 ensures reliable communication over long distances (up to 1,200 meters for RS‑485 under ideal conditions).
- 8 kV ESD protection enhances durability in electrically noisy environments.

Capacity:
- Eight independent serial channels allow simultaneous communication with multiple devices.

Efficiency:
- BIOS‑level configuration minimizes setup time and ensures consistent operation across system reboots.
- Integration with Neousys’ subsystem ID mechanism allows automatic driver association and port enumeration.

Limitations:
- Designed exclusively for Neousys systems with MezIO™ interface; not compatible with third‑party motherboards.
- RS‑485 termination and biasing must be managed externally if required by the application.

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### 8. Standards & Compliance

Electrical Standards:
- Compliant with EIA/TIA‑232, EIA/TIA‑422, and EIA/TIA‑485 communication standards.

ESD Protection:
- ±8 kV contact discharge protection per IEC 61000‑4‑2 standard.

Interface Standard:
- Conforms to Neousys proprietary MezIO™ electrical and mechanical interface specifications.

Cable Standards:
- Compatible with standard SCSI‑II 68‑pin connectors and cables.

Operating System Compliance:
- Fully supported under Microsoft Windows (7, 8, 8.1, 10) and Linux kernel 2.6.32 or later.

Regulatory Compliance:
- Designed and manufactured in accordance with CE and FCC industrial EMC requirements (as part of Neousys system certification).

Industry Standards:
- Meets industrial computing standards for embedded modular expansion.

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### 9. Additional Information

Warranty:
- Standard Neousys limited hardware warranty (typically 2 years, depending on region and distributor).

Technical Support:
- Comprehensive technical documentation, driver downloads, and BIOS configuration guides available from Neousys Technology’s official website (www.neousys‑tech.com).
- Email and online support provided for integration and troubleshooting.

Maintenance:
- No periodic maintenance required; ensure connectors remain clean and secure.
- Firmware and BIOS updates for host systems may enhance compatibility and performance.

Product Lifecycle and Updates:
- The MezIO‑C180‑50 is part of Neousys’ long‑term support product line, ensuring availability for industrial lifecycle management.
- Future BIOS and driver updates maintain compatibility with new operating systems and Neousys platforms.

Ordering Information:
- MezIO‑C180‑50: 4 × RS‑232/422/485 and 4 × RS‑232 ports MezIO™ module for Nuvo‑7000, Nuvo‑5000, POC‑500, and POC‑300 Series.
- Optional Cable: Cbl‑S68M‑8DB9M‑50CM — SCSI‑68(M) to 8 × DB‑9(M) cable, 50 cm.

Manufacturer Contact:
Neousys Technology, Inc.
Website: [www.neousys‑tech.com](https://www.neousys-tech.com)
All rights reserved. Copyright © 2019 Neousys Technology, Inc.

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### Summary

The MezIO‑C180‑50 is a high‑performance, industrial‑grade serial communication expansion module engineered for Neousys embedded systems. By offering eight serial ports with flexible configuration, robust ESD protection, and BIOS‑level programmability, it provides a reliable and scalable solution for industrial automation, machine control, and data communication applications. Its standardized MezIO™ interface ensures seamless integration, while its software‑configurable design simplifies deployment and maintenance. With support for both Windows and Linux environments, the MezIO‑C180‑50 delivers the versatility and durability required for modern embedded computing platforms.