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- PCI Express 2.0 Compliance: Fully compliant with PCIe 2.0 x1 interface, ensuring high-speed data transfer and compatibility with modern embedded platforms.
- Multi-Protocol Serial Support: Each of the four ports can be configured individually for RS-232, RS-422, or RS-485 operation via software, providing maximum flexibility for diverse communication requirements.
- High-Speed Serial Data Rate: Supports data rates up to 25 Mbps, enabling fast and reliable serial communication for demanding industrial applications.
- 16C550 Compatible UART: Incorporates 16C550-compatible UART controllers with 256-byte FIFOs for efficient data buffering and reduced CPU overhead.
- Industrial Temperature Range: Designed for -40°C to +85°C operation, ensuring stable performance in harsh environments.
- Full RS-232 Functionality: Provides complete RS-232 signal set through standard DB9 connectors, supporting DCD, RX, TX, DTR, DSR, RTS, CTS, and RI signals.
- Hardware Configuration Options:
- Termination resistor can be enabled or disabled via DIP switch.
- RI/5V/12V output selectable by jumper setting.
- ESD Protection: Integrated electrostatic discharge protection circuitry safeguards the system from electrical surges and static discharge damage.
- Gold-Plated Contacts: Features 30µ” gold finger plating for enhanced durability and long-term reliability.
- No Daughterboard Required: Compact design minimizes mechanical complexity and eliminates the need for additional daughterboards.
- Industrial-Grade Design: Built to meet industrial standards for vibration, shock, and temperature endurance.
- Warranty: Backed by a 3-year manufacturer warranty.
- Multi-Protocol Serial Support: Each of the four ports can be configured individually for RS-232, RS-422, or RS-485 operation via software, providing maximum flexibility for diverse communication requirements.
- High-Speed Serial Data Rate: Supports data rates up to 25 Mbps, enabling fast and reliable serial communication for demanding industrial applications.
- 16C550 Compatible UART: Incorporates 16C550-compatible UART controllers with 256-byte FIFOs for efficient data buffering and reduced CPU overhead.
- Industrial Temperature Range: Designed for -40°C to +85°C operation, ensuring stable performance in harsh environments.
- Full RS-232 Functionality: Provides complete RS-232 signal set through standard DB9 connectors, supporting DCD, RX, TX, DTR, DSR, RTS, CTS, and RI signals.
- Hardware Configuration Options:
- Termination resistor can be enabled or disabled via DIP switch.
- RI/5V/12V output selectable by jumper setting.
- ESD Protection: Integrated electrostatic discharge protection circuitry safeguards the system from electrical surges and static discharge damage.
- Gold-Plated Contacts: Features 30µ” gold finger plating for enhanced durability and long-term reliability.
- No Daughterboard Required: Compact design minimizes mechanical complexity and eliminates the need for additional daughterboards.
- Industrial-Grade Design: Built to meet industrial standards for vibration, shock, and temperature endurance.
- Warranty: Backed by a 3-year manufacturer warranty.
Comprehensive Product Summary: EMP2-X404-W1-A71 mPCIe to Four RS-232/422/485 Module
### 1. Product Overview
Product Name: mPCIe to Four RS-232/422/485 Module
Model Number: EMP2-X404-W1-A71
Series: EMP2 Series
Article Number: EMP2-X404-W1-A71
Manufacturer: Innodisk Corporation
Country of Manufacture: Taiwan
Product Type: Mini PCI Express (mPCIe) expansion module for serial communication
Product Category: Industrial communication interface module
The Innodisk EMP2-X404-W1-A71 is a compact, high-performance mPCIe module designed to provide four independent serial communication ports supporting RS-232, RS-422, and RS-485 standards. It is engineered for industrial-grade reliability, wide temperature operation, and flexible configuration, making it suitable for embedded systems, industrial automation, and communication control applications.
### 2. Key Features
- PCI Express 2.0 Compliance: Fully compliant with PCIe 2.0 x1 interface, ensuring high-speed data transfer and compatibility with modern embedded platforms.
- Multi-Protocol Serial Support: Each of the four ports can be configured individually for RS-232, RS-422, or RS-485 operation via software, providing maximum flexibility for diverse communication requirements.
- High-Speed Serial Data Rate: Supports data rates up to 25 Mbps, enabling fast and reliable serial communication for demanding industrial applications.
- 16C550 Compatible UART: Incorporates 16C550-compatible UART controllers with 256-byte FIFOs for efficient data buffering and reduced CPU overhead.
- Industrial Temperature Range: Designed for -40°C to +85°C operation, ensuring stable performance in harsh environments.
- Full RS-232 Functionality: Provides complete RS-232 signal set through standard DB9 connectors, supporting DCD, RX, TX, DTR, DSR, RTS, CTS, and RI signals.
- Hardware Configuration Options:
- Termination resistor can be enabled or disabled via DIP switch.
- RI/5V/12V output selectable by jumper setting.
- ESD Protection: Integrated electrostatic discharge protection circuitry safeguards the system from electrical surges and static discharge damage.
- Gold-Plated Contacts: Features 30µ” gold finger plating for enhanced durability and long-term reliability.
- No Daughterboard Required: Compact design minimizes mechanical complexity and eliminates the need for additional daughterboards.
- Industrial-Grade Design: Built to meet industrial standards for vibration, shock, and temperature endurance.
- Warranty: Backed by a 3-year manufacturer warranty.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Form Factor | Mini PCI Express (mPCIe) |
| Input Interface | PCI Express 2.0 x1 |
| Output Interface | RS-232 / RS-422 / RS-485 (software configurable) |
| Number of Ports | 4 independent serial ports |
| Output Connector Type | DB9 (x4) |
| Maximum Data Rate | Up to 25 Mbps |
| UART Compatibility | 16C550 compatible with 256-byte FIFO |
| Power Consumption (TDP) | 0.5 W (3.3V x 150 mA) |
| Dimensions (W x L x H) | 30 mm x 50.9 mm x 8 mm |
| Operating Temperature | -40°C to +85°C (Wide Temperature) |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000 Hz |
| Shock Resistance | 50G @ 0.5 ms |
| Material / Finish | Industrial-grade PCB with 30µ” gold-plated contacts |
| ESD Protection | Integrated circuit-level protection |
| Compliance | PCI Express 2.0 standard |
| Warranty | 3 years |
### 4. Functionality
The EMP2-X404-W1-A71 functions as a serial communication expansion module that connects to a host system via a Mini PCI Express slot. Once installed, it provides four independent serial ports that can each be configured for RS-232, RS-422, or RS-485 communication modes through software control.
Operational Modes:
- RS-232 Mode: Supports full-duplex communication with standard control signals (DCD, RX, TX, DTR, DSR, RTS, CTS, RI). Ideal for legacy serial devices such as modems, sensors, and industrial controllers.
- RS-422 Mode: Provides full-duplex differential signaling for long-distance, noise-resistant communication.
- RS-485 Mode: Supports half-duplex differential signaling, commonly used in multi-drop networks and industrial automation systems.
Use Cases and Applications:
- Industrial automation and control systems
- Embedded computing platforms
- Data acquisition and monitoring
- Serial device integration in transportation, energy, and manufacturing sectors
- Communication gateways and protocol converters
- POS (Point of Sale) and kiosk systems
- Networking and remote management interfaces
Compatibility:
- Compatible with a wide range of operating systems:
- Windows: XP (32-bit), 7 (32/64-bit), 8/8.1 (32/64-bit), 10, WES7, CE7.0
- Linux: Kernel 2.6.x and above (Linux source code available for customization)
- Supports driver download and updates via the MyInnodisk portal.
### 5. Components & Accessories
Included Components:
- EMP2-X404-W1-A71 mPCIe module
- Four DB9 connectors (integrated)
- Configuration jumpers for RI/5V/12V output selection
- DIP switch for termination resistor control
- Documentation and driver download instructions (via MyInnodisk website)
Optional Accessories:
- Serial communication cables (DB9 male/female)
- Mounting screws or brackets (depending on system chassis)
- Additional power or signal adapters (if required by application)
Connectors and Pin Definitions:
DB9 Pin Assignments:
| Pin | RS-232 Signal | RS-422 (Full Duplex) | RS-485 (Half Duplex) |
|----------|------------------|--------------------------|--------------------------|
| 1 | DCD | TX- | D- |
| 2 | RX | TX+ | D+ |
| 3 | TX | RX+ | — |
| 4 | DTR | RX- | — |
| 5 | GND | GND | GND |
| 6 | DSR | — | — |
| 7 | RTS | — | — |
| 8 | CTS | — | — |
| 9 | RI / 5V / 12V | 5V / 12V | 5V / 12V |
### 6. Installation & Setup
System Requirements:
- Host system with available Mini PCI Express slot
- Supported operating system (Windows or Linux)
- Administrative access for driver installation
Installation Steps:
1. Power off the host system and disconnect from power.
2. Insert the EMP2-X404-W1-A71 module into the available mPCIe slot.
3. Secure the module using the provided mounting screw or bracket.
4. Connect the DB9 serial cables to the desired external devices.
5. Configure jumpers for RI/5V/12V output as required.
6. Set DIP switches to enable or disable termination resistors depending on RS-422/485 network topology.
7. Power on the system and install the appropriate driver from the MyInnodisk website.
8. Verify device recognition in the operating system’s device manager or terminal interface.
9. Configure communication parameters (baud rate, parity, stop bits) via software or system settings.
Mounting Options:
- Direct mPCIe slot installation on embedded boards or industrial PCs
- Suitable for compact enclosures and space-constrained environments
Configuration Tools:
- Software utilities provided by Innodisk for port configuration and diagnostics
- Linux source code available for driver customization and integration
### 7. Performance & Capabilities
Data Throughput:
- Up to 25 Mbps per port, ensuring high-speed serial communication suitable for real-time data exchange.
Processing Efficiency:
- 16C550-compatible UART with 256-byte FIFO buffers minimizes CPU load and ensures smooth data flow even under high traffic conditions.
Power Efficiency:
- Low power consumption of 0.5 W, making it ideal for embedded and mobile systems where energy efficiency is critical.
Environmental Robustness:
- Wide operating temperature range (-40°C to +85°C) supports deployment in outdoor, industrial, and transportation environments.
- High vibration (5G) and shock (50G) resistance ensures reliability in rugged conditions.
Limitations:
- Limited to four serial ports per module (expandable via additional modules if supported by the host system).
- Requires appropriate driver installation for full functionality.
- Power output (5V/12V) selection must be configured manually via jumper.
### 8. Standards & Compliance
Industry Standards:
- PCI Express 2.0 compliant (x1 lane)
- RS-232 / RS-422 / RS-485 serial communication standards
- 16C550 UART compatibility
Environmental and Reliability Standards:
- Designed for industrial-grade operation with extended temperature and vibration tolerance.
- ESD protection compliant with industrial safety requirements.
Regulatory Compliance:
- Manufactured under Innodisk’s ISO-certified quality management system.
- Meets RoHS environmental compliance standards (lead-free manufacturing).
Certifications:
- CE and FCC compliance (typical for Innodisk industrial modules)
- Conforms to Innodisk’s internal reliability and performance validation standards.
### 9. Additional Information
Warranty:
- 3-year limited warranty covering manufacturing defects and component reliability.
Support & Maintenance:
- Technical support available through Innodisk’s global offices.
- Driver updates, documentation, and software tools accessible via MyInnodisk online portal.
- Linux source code provided for driver modification and integration into custom systems.
Maintenance Recommendations:
- Periodic inspection of connectors and jumpers for secure contact.
- Ensure proper grounding to maintain ESD protection effectiveness.
- Keep firmware and drivers updated for optimal performance and compatibility.
Manufacturer Contact Information:
Innodisk Corporation (Headquarters)
5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist.,
New Taipei City 221, Taiwan
Tel: +886-2-7703-3000
Email: sales@innodisk.com
Website: [www.innodisk.com](http://www.innodisk.com)
Regional Offices:
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-040-282-1818
- Japan: jpsales@innodisk.com | +81-3-6667-0161
- China: sales_cn@innodisk.com | +86-755-2167-3689
Product Availability:
- Model: EMP2-X404-W1 (Wide Temperature version)
- Availability through Innodisk’s global distribution network.
Revision & Documentation:
- Document Date: September 10, 2016
- Specifications subject to change without prior notice.
- © 2015 Innodisk Corporation. All rights reserved.
### Summary
The Innodisk EMP2-X404-W1-A71 is a robust, industrial-grade Mini PCI Express module that expands system connectivity by providing four configurable serial ports supporting RS-232, RS-422, and RS-485 standards. With PCIe 2.0 compliance, high-speed 25 Mbps data transfer, and wide temperature tolerance, it is engineered for demanding embedded and industrial applications. Its flexible configuration options, ESD protection, and low power consumption make it an ideal solution for system integrators and OEMs seeking reliable serial communication in compact form factors.
### 1. Product Overview
Product Name: mPCIe to Four RS-232/422/485 Module
Model Number: EMP2-X404-W1-A71
Series: EMP2 Series
Article Number: EMP2-X404-W1-A71
Manufacturer: Innodisk Corporation
Country of Manufacture: Taiwan
Product Type: Mini PCI Express (mPCIe) expansion module for serial communication
Product Category: Industrial communication interface module
The Innodisk EMP2-X404-W1-A71 is a compact, high-performance mPCIe module designed to provide four independent serial communication ports supporting RS-232, RS-422, and RS-485 standards. It is engineered for industrial-grade reliability, wide temperature operation, and flexible configuration, making it suitable for embedded systems, industrial automation, and communication control applications.
### 2. Key Features
- PCI Express 2.0 Compliance: Fully compliant with PCIe 2.0 x1 interface, ensuring high-speed data transfer and compatibility with modern embedded platforms.
- Multi-Protocol Serial Support: Each of the four ports can be configured individually for RS-232, RS-422, or RS-485 operation via software, providing maximum flexibility for diverse communication requirements.
- High-Speed Serial Data Rate: Supports data rates up to 25 Mbps, enabling fast and reliable serial communication for demanding industrial applications.
- 16C550 Compatible UART: Incorporates 16C550-compatible UART controllers with 256-byte FIFOs for efficient data buffering and reduced CPU overhead.
- Industrial Temperature Range: Designed for -40°C to +85°C operation, ensuring stable performance in harsh environments.
- Full RS-232 Functionality: Provides complete RS-232 signal set through standard DB9 connectors, supporting DCD, RX, TX, DTR, DSR, RTS, CTS, and RI signals.
- Hardware Configuration Options:
- Termination resistor can be enabled or disabled via DIP switch.
- RI/5V/12V output selectable by jumper setting.
- ESD Protection: Integrated electrostatic discharge protection circuitry safeguards the system from electrical surges and static discharge damage.
- Gold-Plated Contacts: Features 30µ” gold finger plating for enhanced durability and long-term reliability.
- No Daughterboard Required: Compact design minimizes mechanical complexity and eliminates the need for additional daughterboards.
- Industrial-Grade Design: Built to meet industrial standards for vibration, shock, and temperature endurance.
- Warranty: Backed by a 3-year manufacturer warranty.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Form Factor | Mini PCI Express (mPCIe) |
| Input Interface | PCI Express 2.0 x1 |
| Output Interface | RS-232 / RS-422 / RS-485 (software configurable) |
| Number of Ports | 4 independent serial ports |
| Output Connector Type | DB9 (x4) |
| Maximum Data Rate | Up to 25 Mbps |
| UART Compatibility | 16C550 compatible with 256-byte FIFO |
| Power Consumption (TDP) | 0.5 W (3.3V x 150 mA) |
| Dimensions (W x L x H) | 30 mm x 50.9 mm x 8 mm |
| Operating Temperature | -40°C to +85°C (Wide Temperature) |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000 Hz |
| Shock Resistance | 50G @ 0.5 ms |
| Material / Finish | Industrial-grade PCB with 30µ” gold-plated contacts |
| ESD Protection | Integrated circuit-level protection |
| Compliance | PCI Express 2.0 standard |
| Warranty | 3 years |
### 4. Functionality
The EMP2-X404-W1-A71 functions as a serial communication expansion module that connects to a host system via a Mini PCI Express slot. Once installed, it provides four independent serial ports that can each be configured for RS-232, RS-422, or RS-485 communication modes through software control.
Operational Modes:
- RS-232 Mode: Supports full-duplex communication with standard control signals (DCD, RX, TX, DTR, DSR, RTS, CTS, RI). Ideal for legacy serial devices such as modems, sensors, and industrial controllers.
- RS-422 Mode: Provides full-duplex differential signaling for long-distance, noise-resistant communication.
- RS-485 Mode: Supports half-duplex differential signaling, commonly used in multi-drop networks and industrial automation systems.
Use Cases and Applications:
- Industrial automation and control systems
- Embedded computing platforms
- Data acquisition and monitoring
- Serial device integration in transportation, energy, and manufacturing sectors
- Communication gateways and protocol converters
- POS (Point of Sale) and kiosk systems
- Networking and remote management interfaces
Compatibility:
- Compatible with a wide range of operating systems:
- Windows: XP (32-bit), 7 (32/64-bit), 8/8.1 (32/64-bit), 10, WES7, CE7.0
- Linux: Kernel 2.6.x and above (Linux source code available for customization)
- Supports driver download and updates via the MyInnodisk portal.
### 5. Components & Accessories
Included Components:
- EMP2-X404-W1-A71 mPCIe module
- Four DB9 connectors (integrated)
- Configuration jumpers for RI/5V/12V output selection
- DIP switch for termination resistor control
- Documentation and driver download instructions (via MyInnodisk website)
Optional Accessories:
- Serial communication cables (DB9 male/female)
- Mounting screws or brackets (depending on system chassis)
- Additional power or signal adapters (if required by application)
Connectors and Pin Definitions:
DB9 Pin Assignments:
| Pin | RS-232 Signal | RS-422 (Full Duplex) | RS-485 (Half Duplex) |
|----------|------------------|--------------------------|--------------------------|
| 1 | DCD | TX- | D- |
| 2 | RX | TX+ | D+ |
| 3 | TX | RX+ | — |
| 4 | DTR | RX- | — |
| 5 | GND | GND | GND |
| 6 | DSR | — | — |
| 7 | RTS | — | — |
| 8 | CTS | — | — |
| 9 | RI / 5V / 12V | 5V / 12V | 5V / 12V |
### 6. Installation & Setup
System Requirements:
- Host system with available Mini PCI Express slot
- Supported operating system (Windows or Linux)
- Administrative access for driver installation
Installation Steps:
1. Power off the host system and disconnect from power.
2. Insert the EMP2-X404-W1-A71 module into the available mPCIe slot.
3. Secure the module using the provided mounting screw or bracket.
4. Connect the DB9 serial cables to the desired external devices.
5. Configure jumpers for RI/5V/12V output as required.
6. Set DIP switches to enable or disable termination resistors depending on RS-422/485 network topology.
7. Power on the system and install the appropriate driver from the MyInnodisk website.
8. Verify device recognition in the operating system’s device manager or terminal interface.
9. Configure communication parameters (baud rate, parity, stop bits) via software or system settings.
Mounting Options:
- Direct mPCIe slot installation on embedded boards or industrial PCs
- Suitable for compact enclosures and space-constrained environments
Configuration Tools:
- Software utilities provided by Innodisk for port configuration and diagnostics
- Linux source code available for driver customization and integration
### 7. Performance & Capabilities
Data Throughput:
- Up to 25 Mbps per port, ensuring high-speed serial communication suitable for real-time data exchange.
Processing Efficiency:
- 16C550-compatible UART with 256-byte FIFO buffers minimizes CPU load and ensures smooth data flow even under high traffic conditions.
Power Efficiency:
- Low power consumption of 0.5 W, making it ideal for embedded and mobile systems where energy efficiency is critical.
Environmental Robustness:
- Wide operating temperature range (-40°C to +85°C) supports deployment in outdoor, industrial, and transportation environments.
- High vibration (5G) and shock (50G) resistance ensures reliability in rugged conditions.
Limitations:
- Limited to four serial ports per module (expandable via additional modules if supported by the host system).
- Requires appropriate driver installation for full functionality.
- Power output (5V/12V) selection must be configured manually via jumper.
### 8. Standards & Compliance
Industry Standards:
- PCI Express 2.0 compliant (x1 lane)
- RS-232 / RS-422 / RS-485 serial communication standards
- 16C550 UART compatibility
Environmental and Reliability Standards:
- Designed for industrial-grade operation with extended temperature and vibration tolerance.
- ESD protection compliant with industrial safety requirements.
Regulatory Compliance:
- Manufactured under Innodisk’s ISO-certified quality management system.
- Meets RoHS environmental compliance standards (lead-free manufacturing).
Certifications:
- CE and FCC compliance (typical for Innodisk industrial modules)
- Conforms to Innodisk’s internal reliability and performance validation standards.
### 9. Additional Information
Warranty:
- 3-year limited warranty covering manufacturing defects and component reliability.
Support & Maintenance:
- Technical support available through Innodisk’s global offices.
- Driver updates, documentation, and software tools accessible via MyInnodisk online portal.
- Linux source code provided for driver modification and integration into custom systems.
Maintenance Recommendations:
- Periodic inspection of connectors and jumpers for secure contact.
- Ensure proper grounding to maintain ESD protection effectiveness.
- Keep firmware and drivers updated for optimal performance and compatibility.
Manufacturer Contact Information:
Innodisk Corporation (Headquarters)
5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist.,
New Taipei City 221, Taiwan
Tel: +886-2-7703-3000
Email: sales@innodisk.com
Website: [www.innodisk.com](http://www.innodisk.com)
Regional Offices:
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-040-282-1818
- Japan: jpsales@innodisk.com | +81-3-6667-0161
- China: sales_cn@innodisk.com | +86-755-2167-3689
Product Availability:
- Model: EMP2-X404-W1 (Wide Temperature version)
- Availability through Innodisk’s global distribution network.
Revision & Documentation:
- Document Date: September 10, 2016
- Specifications subject to change without prior notice.
- © 2015 Innodisk Corporation. All rights reserved.
### Summary
The Innodisk EMP2-X404-W1-A71 is a robust, industrial-grade Mini PCI Express module that expands system connectivity by providing four configurable serial ports supporting RS-232, RS-422, and RS-485 standards. With PCIe 2.0 compliance, high-speed 25 Mbps data transfer, and wide temperature tolerance, it is engineered for demanding embedded and industrial applications. Its flexible configuration options, ESD protection, and low power consumption make it an ideal solution for system integrators and OEMs seeking reliable serial communication in compact form factors.
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