Comprehensive Product Summary – Cable‑S68MD9M‑50

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### 1. Product Overview

Product Name: Cable SCSI‑68M to 8×DB9M for MezIO‑C180/181
Model Number: Cable‑S68MD9M‑50
Article Number: Cable‑S68MD9M‑50
Series: Rugged Embedded Accessory for Nuvo‑5000E/P Series
Manufacturer: Neousys Technology Inc.
Associated Systems: Nuvo‑5000E/P Series Fanless Embedded Controllers and MezIO™ Expansion Modules (MezIO‑C180, MezIO‑C181)

The Cable‑S68MD9M‑50 is a specialized industrial‑grade connectivity cable designed by Neousys Technology for use with MezIO™ communication expansion modules. It provides a reliable interface between the MezIO‑C180 or MezIO‑C181 module and external serial devices, enabling up to eight independent DB9 male serial connections through a single SCSI‑68 male connector. The cable is part of Neousys’ rugged embedded ecosystem supporting the Nuvo‑5000E/P fanless controller family.

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### 2. Key Features

- Purpose‑Built for MezIO™ Modules: Designed specifically for the MezIO‑C180 and MezIO‑C181 modules, which expand the Nuvo‑5000 series with additional RS‑232/422/485 serial ports.
- High‑Density SCSI‑68M Connector: Utilizes a 68‑pin SCSI‑II male connector to interface with the MezIO™ module’s rear I/O port, ensuring secure, high‑signal‑integrity transmission.
- Eight DB9 Male Outputs: Breaks out the 68‑pin interface into eight standard DB9 male connectors, each supporting RS‑232 or RS‑422/485 communication depending on module configuration.
- Industrial‑Grade Construction: Built for rugged embedded environments, featuring shielded cabling, robust strain relief, and high‑quality molded connectors.
- Optimized for Rugged Embedded Controllers: Fully compatible with Neousys Nuvo‑5000E/P fanless controllers operating in harsh industrial conditions (‑25 °C to 70 °C).
- Plug‑and‑Play Integration: No additional configuration required; the cable directly maps MezIO™ serial signals to standard DB9 pinouts.
- Reliable Signal Integrity: Shielded twisted‑pair wiring minimizes crosstalk and EMI, ensuring stable serial communication even in electrically noisy environments.
- Compact and Flexible Layout: 50 cm length provides sufficient reach within control cabinets while maintaining minimal signal degradation.
- Supports Multiple Communication Standards: Depending on the MezIO™ module, each DB9 port can be configured for RS‑232, RS‑422, or RS‑485 operation.
- Ruggedized for Industrial Use: Designed to complement Neousys’ rugged embedded systems, ensuring mechanical stability under vibration and shock conditions.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Cable Type | SCSI‑68M to 8×DB9M breakout cable |
| Connector A | SCSI‑II 68‑pin male (high‑density) |
| Connector B | 8× DB9 male connectors |
| Length | 0.5 m (50 cm) |
| Compatibility | MezIO‑C180 and MezIO‑C181 modules |
| Supported Interfaces | RS‑232 / RS‑422 / RS‑485 (depending on module) |
| Shielding | Full‑coverage braided and foil shielding |
| Conductor Material | Tinned copper, twisted‑pair signal lines |
| Insulation | Industrial‑grade PVC or equivalent high‑temperature polymer |
| Outer Jacket | Black PVC, abrasion‑resistant |
| Operating Temperature | ‑25 °C ~ 70 °C (matches Nuvo‑5000 environmental spec) |
| Storage Temperature | ‑40 °C ~ 85 °C |
| Humidity Tolerance | 10 % ~ 90 %, non‑condensing |
| Vibration Resistance | 5 Grms, 5–500 Hz, 3 axes (when installed in Nuvo‑5000 system) |
| Shock Resistance | 50 Grms, half‑sine 11 ms duration |
| Compliance | CE/FCC Class A, EN 55022/55024/55032/60950 |
| Weight | Approx. 0.3 kg |
| Color | Black |
| Mounting/Use | Internal or external connection between MezIO™ module and serial devices |

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### 4. Functionality

The Cable‑S68MD9M‑50 functions as a breakout harness that translates the high‑density 68‑pin SCSI interface of a MezIO™ module into eight discrete DB9 male connectors. Each DB9 port corresponds to one serial communication channel provided by the MezIO‑C180 or C181 module.

- Signal Mapping: The SCSI‑68M connector carries all serial transmit, receive, control, and ground lines for eight channels. The cable internally routes these signals to the appropriate pins on each DB9 connector.
- Use Cases:
- Industrial automation controllers requiring multiple serial device connections.
- Machine vision systems interfacing with RS‑232/422/485 sensors or actuators.
- Transportation and in‑vehicle computing where multiple serial buses are needed.
- Data acquisition systems using legacy serial instruments.
- Compatibility:
- MezIO‑C180: Provides 4× RS‑232/422/485 and 4× RS‑232 ports.
- MezIO‑C181: Provides 4× RS‑232/422/485 and 4× RS‑422/485 ports.
- The cable supports both configurations transparently.
- Operation: Once connected, the MezIO™ module enumerates the additional COM ports through the Nuvo‑5000’s internal interface. The cable simply provides the physical interface for external devices.
- Electrical Characteristics: Differential pair routing for RS‑422/485 lines ensures balanced transmission; single‑ended lines for RS‑232 are isolated per channel.
- Mechanical Function: Molded connectors with thumbscrews secure the DB9 ends to mating devices, while the SCSI‑68M connector uses locking screws to ensure vibration‑proof attachment to the MezIO™ module.

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### 5. Components & Accessories

Included Items:
- 1 × Cable‑S68MD9M‑50 (SCSI‑68M to 8×DB9M)
- Integrated strain‑relief boots on all connectors
- Pre‑labeled DB9 connectors (COM1 – COM8)

Optional Accessories:
- MezIO‑C180 Module: Adds 8 serial ports (4× RS‑232/422/485 + 4× RS‑232).
- MezIO‑C181 Module: Adds 8 serial ports (4× RS‑232/422/485 + 4× RS‑422/485).
- Nuvo‑5000E/P Controllers: Host systems providing the MezIO™ interface.
- DINRAIL‑O Kit: For DIN‑rail mounting of the Nuvo‑5000 system.
- PA‑120W‑OW Power Adapter: 120 W AC/DC adapter for system power.
- Fankit‑25: Optional fan assembly for Cassette cooling.

Connectors:
- SCSI‑68M: High‑density male connector with screw‑lock retention.
- DB9M: Standard D‑sub 9‑pin male connectors with metal shells and captive screws.

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### 6. Installation & Setup

Requirements:
- Compatible MezIO™ module (C180 or C181) installed in a Nuvo‑5000E/P controller.
- Available SCSI‑68 female port on the rear panel of the MezIO™ module.
- External serial devices equipped with DB9 female connectors or adapters.

Installation Procedure:
1. Power off the Nuvo‑5000 system.
2. Align the SCSI‑68M connector with the MezIO™ module’s rear I/O port and secure it using the locking screws.
3. Connect each DB9M connector to the corresponding external serial device.
4. Power on the system; the MezIO™ module enumerates the additional COM ports automatically.
5. Configure serial parameters (baud rate, parity, stop bits) via BIOS or operating system as required.

Mounting Options:
- The cable is typically routed within a control cabinet or system enclosure.
- Cable ties or clamps can be used for strain relief and cable management.
- Ensure minimum bend radius of 5× cable diameter to maintain signal integrity.

Configuration:
- No firmware configuration is required for the cable itself.
- Serial mode (RS‑232/422/485) is configured through BIOS or software utilities provided by Neousys for the MezIO™ module.

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### 7. Performance & Capabilities

- Signal Transmission: Supports standard asynchronous serial communication up to 115.2 kbps (RS‑232) and up to 1 Mbps (RS‑422/485) depending on connected devices.
- Electrical Isolation: Isolation characteristics depend on the MezIO™ module; the cable maintains full signal fidelity.
- Bandwidth: Each channel operates independently without crosstalk due to shielded twisted‑pair design.
- Mechanical Durability: Rated for > 500 mating cycles on DB9 connectors and > 200 mating cycles on SCSI‑68M connector.
- Environmental Robustness: Operates reliably within the Nuvo‑5000’s specified industrial temperature and vibration ranges.
- Limitations:
- Cable length limited to 0.5 m; for longer distances, external extension cables may be used but could affect signal quality.
- Designed exclusively for Neousys MezIO™ modules; not a generic SCSI‑to‑DB9 adapter.
- Does not provide galvanic isolation; isolation is handled by the MezIO™ module circuitry.

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### 8. Standards & Compliance

The Cable‑S68MD9M‑50 and associated MezIO™ modules conform to the same industrial and EMC standards as the Nuvo‑5000E/P platform:

- EMC Compliance:
- CE/FCC Class A
- EN 55022 (Emissions)
- EN 55024 (Immunity)
- EN 55032 (Multimedia Equipment)
- EN 60950 (Safety of IT Equipment)
- Environmental Standards:
- IEC 60068‑2‑64 (Vibration)
- IEC 60068‑2‑27 (Shock)
- RoHS Compliance: Restriction of Hazardous Substances Directive 2011/65/EU.
- Operating Environment: Designed for industrial and commercial installations; not intended for residential use.
- Connector Standards:
- SCSI‑II 68‑pin (ANSI X3.131‑1994)
- D‑Subminiature DB9 (EIA/TIA‑574, EIA‑232‑E, EIA‑422‑B, EIA‑485‑A)

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### 9. Additional Information

Warranty:
- Standard Neousys limited hardware warranty (typically 2 years from shipment).
- Covers manufacturing defects in materials and workmanship under normal use.

Technical Support:
- Neousys provides full technical documentation, pin‑out diagrams, and driver support for MezIO™ modules.
- Firmware and BIOS updates for Nuvo‑5000 controllers are available through the Neousys support portal.

Maintenance:
- Periodically inspect connectors for dust or oxidation; clean with appropriate contact cleaner.
- Avoid excessive bending or pulling on the cable to maintain shielding integrity.
- Replace cable if mechanical damage or connector wear is observed.

Updates & Compatibility:
- Fully compatible with all Nuvo‑5000E/P variants (Nuvo‑5002E/P, Nuvo‑5006E/P, Nuvo‑5006E‑PoE, Nuvo‑5006P‑PoE, Nuvo‑5026E).
- Future MezIO™ modules using the same 68‑pin interface will maintain backward compatibility with the Cable‑S68MD9M‑50.

Manufacturer Contact:
Neousys Technology Inc.
Website: [www.neousys‑tech.com](https://www.neousys-tech.com)
Headquarters: Taipei, Taiwan
Support: support@neousys‑tech.com

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### Contextual Integration with Nuvo‑5000E/P Series

The Cable‑S68MD9M‑50 is an integral accessory within the Neousys rugged embedded ecosystem. The Nuvo‑5000E/P series controllers feature:

- Intel® 6th‑Gen Core™ i7/i5/i3 processors (LGA1151 socket)
- Intel® Q170 chipset with integrated HD Graphics 530/510
- Up to 32 GB DDR4‑2133 SDRAM
- 6× Gigabit Ethernet ports (optional PoE+)
- 4× USB 3.0 + 4× USB 2.0 ports
- 3× COM ports onboard, expandable via MezIO™
- MezIO™ expansion port supporting modules such as C180/C181 for serial I/O, D220/D230 for digital I/O, and V20 for ignition control.

The MezIO™ interface uses a high‑speed 68‑pin connector (FCI BERGSTAK® 61082‑063402LF/61083‑064402LF pair) providing PCIe, USB, SMBus, GPIO, and power rails. The Cable‑S68MD9M‑50 connects to this interface through the MezIO™ module’s rear SCSI‑68 port, enabling external access to the module’s serial channels.

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### Operational Example

1. System Configuration:
- Nuvo‑5006E controller with Intel® Core™ i7‑6700TE CPU.
- MezIO‑C181 module installed in the MezIO™ slot.
- Cable‑S68MD9M‑50 connected to the module’s SCSI‑68 port.
- Eight RS‑422/485 devices (e.g., PLCs, sensors) connected via DB9 connectors.

2. Result:
- The system enumerates eight additional COM ports (COM4–COM11).
- Each port operates independently with programmable baud rate and protocol.
- The cable ensures reliable signal routing and EMI protection within the industrial cabinet.

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### Reliability and Environmental Endurance

The cable inherits the rugged design philosophy of the Nuvo‑5000 platform:

- Temperature Endurance: Operates across the full system range (‑25 °C ~ 70 °C).
- Mechanical Stability: Withstands vibration up to 5 Grms and shock up to 50 Grms when installed with SSD‑based systems.
- Material Quality: Industrial‑grade insulation and over‑molded connectors prevent degradation under thermal cycling.
- Electrical Safety: Meets EN 60950 low‑voltage safety requirements when used within the Nuvo‑5000 enclosure.

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### Summary of Associated MezIO™ Modules

| Module | Function | Cable Interface |
|-------------|--------------|--------------------|
| MezIO‑C180 | 4× RS‑232/422/485 + 4× RS‑232 | Cable‑S68MD9M‑50 |
| MezIO‑C181 | 4× RS‑232/422/485 + 4× RS‑422/485 | Cable‑S68MD9M‑50 |
| MezIO‑D220 | 8‑CH isolated DI + 8‑CH isolated DO | Not applicable |
| MezIO‑D230 | 16‑CH isolated DI + 16‑CH isolated DO | Not applicable |
| MezIO‑V20‑EP | Ignition power control for in‑vehicle use | Not applicable |
| MezIO‑U4 | 4× USB 3.0 ports | Different cable |
| MezIO‑G4/G4P | 4× GigE or 4× PoE+ ports | Different cable |

The Cable‑S68MD9M‑50 is therefore the standard serial breakout harness for both C180 and C181 modules.

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### Integration with Expansion Cassette and System Architecture

The Nuvo‑5000E/P series also supports PCI/PCIe expansion through a patented Cassette design. While the Cassette handles high‑speed add‑on cards (e.g., GPU, PoE, RAID), the MezIO™ interface and Cable‑S68MD9M‑50 handle low‑speed serial expansion. This separation ensures optimal thermal management and modular scalability.

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### Safety and Handling Notes

- Always disconnect system power before connecting or disconnecting the SCSI‑68M connector.
- Ensure correct orientation of the SCSI connector to prevent pin damage.
- Avoid routing the cable near high‑voltage or high‑frequency lines to minimize interference.
- Use only within specified environmental limits; exposure to oil, solvents, or UV radiation may degrade insulation.
- For sub‑zero operation, ensure the cable remains flexible (PVC jacket rated for low‑temperature use).

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### Lifecycle and Support

- Product Lifecycle: Designed to match the long‑term availability of Neousys embedded platforms (typically 7‑year lifecycle).
- Replacement & Spares: Cable‑S68MD9M‑50 is available as a standard accessory; replacement units can be ordered directly from Neousys or authorized distributors.
- Documentation: Detailed pin‑out diagrams and wiring schematics are provided in the MezIO‑C180/C181 user manuals.
- Firmware/Driver Updates: Not required for the cable; serial port drivers are included in the Nuvo‑5000 driver package.

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### Conclusion

The Cable‑S68MD9M‑50 is a precision‑engineered connectivity solution enabling the full utilization of Neousys’ MezIO™ serial expansion modules. By converting a compact 68‑pin SCSI interface into eight standard DB9 male connectors, it provides a robust, space‑efficient, and electrically reliable means of interfacing multiple serial devices with the Nuvo‑5000E/P series controllers. Its rugged construction, compliance with industrial standards, and seamless integration with Neousys hardware make it an essential accessory for industrial automation, transportation, and embedded control applications requiring high‑density serial communication in harsh environments.