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EMP2-X2S1-W1-A71

mPCIe to Dual Isolated RS-232
  • Manufacturer Innodisk
  • Category: mPCIe Modules
  • Innodisk Corporation 5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist., New Taipei City 221, Taiwan
The EMP2-X2S1-W1-A71 is a high-performance, industrial-grade mPCIe to dual isolated RS-232 interface module designed for embedded systems, industrial automation, and communication applications requiring robust serial connectivity and electrical isolation.

Main Capabilities and Highlights:
- PCI Express Specification Rev. 2.0 Compliant: Ensures compatibility with modern embedded and industrial computing platforms supporting mPCIe interfaces.
- Dual Isolated RS-232 Ports: Provides two independent RS-232 serial channels with full signal support and galvanic isolation for enhanced reliability and protection.
- High-Speed Serial Communication: Supports data rates from 4,800 bps up to 921.6 Kbps, suitable for a wide range of serial communication devices.
- 256-Byte FIFO Buffers: Each port includes a 256-byte FIFO for efficient data handling and reduced CPU overhead during high-speed communication.
- Full RS-232 Signal Set: Supports all standard RS-232 control and data signals (CD, RXD, TXD, DTR, DSR, RTS, CTS, RI).
- High Isolation Protection: Complies with IEC 60950-1:2005 + A1:2009 + A2:2013, providing 2.5 kV HiPOT isolation between ports and host system.
- ESD Protection: Meets EN61000-4-2 standards with Air Discharge: ±15 kV and Contact Discharge: ±8 kV, ensuring robust protection against electrostatic events.
- Industrial Temperature Range: Operates reliably from -40°C to +85°C, suitable for harsh industrial environments.
- Durable Gold-Plated Contacts: Features 30 micro-inch gold finger plating for improved conductivity and corrosion resistance.
- Compact mPCIe Form Factor: Ideal for space-constrained embedded systems and industrial PCs.
- Long-Term Reliability: Backed by a 3-year warranty from Innodisk.

Country of origin: Taiwan R.O.C.

Customs tariff number: 8473 3020 000

Comprehensive Product Summary: EMP2-X2S1-W1-A71 – mPCIe to Dual Isolated RS-232 Module




### 1. Product Overview

Product Name: mPCIe to Dual Isolated RS-232 Module
Model: EMP2-X2S1-W1-A71
Series: EMP2-X2S1
Article Number: EMP2-X2S1-W1-A71
Manufacturer: Innodisk Corporation
Product Type: Mini PCI Express (mPCIe) expansion module providing two isolated RS-232 serial communication ports

Manufacturer Headquarters:
Innodisk Corporation
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](https://www.innodisk.com)

Regional Offices:
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-40-3045-400
- Japan: jpsales@innodisk.com | +81-3-6667-0161
- China: sales_cn@innodisk.com | +86-755-2167-3689

Release Date: June 11, 2020
Copyright: © 2020 Innodisk Corporation. All rights reserved. Specifications subject to change without prior notice.




### 2. Key Features

The EMP2-X2S1-W1-A71 is a high-performance, industrial-grade mPCIe to dual isolated RS-232 interface module designed for embedded systems, industrial automation, and communication applications requiring robust serial connectivity and electrical isolation.

Main Capabilities and Highlights:
- PCI Express Specification Rev. 2.0 Compliant: Ensures compatibility with modern embedded and industrial computing platforms supporting mPCIe interfaces.
- Dual Isolated RS-232 Ports: Provides two independent RS-232 serial channels with full signal support and galvanic isolation for enhanced reliability and protection.
- High-Speed Serial Communication: Supports data rates from 4,800 bps up to 921.6 Kbps, suitable for a wide range of serial communication devices.
- 256-Byte FIFO Buffers: Each port includes a 256-byte FIFO for efficient data handling and reduced CPU overhead during high-speed communication.
- Full RS-232 Signal Set: Supports all standard RS-232 control and data signals (CD, RXD, TXD, DTR, DSR, RTS, CTS, RI).
- High Isolation Protection: Complies with IEC 60950-1:2005 + A1:2009 + A2:2013, providing 2.5 kV HiPOT isolation between ports and host system.
- ESD Protection: Meets EN61000-4-2 standards with Air Discharge: ±15 kV and Contact Discharge: ±8 kV, ensuring robust protection against electrostatic events.
- Industrial Temperature Range: Operates reliably from -40°C to +85°C, suitable for harsh industrial environments.
- Durable Gold-Plated Contacts: Features 30 micro-inch gold finger plating for improved conductivity and corrosion resistance.
- Compact mPCIe Form Factor: Ideal for space-constrained embedded systems and industrial PCs.
- Long-Term Reliability: Backed by a 3-year warranty from Innodisk.




### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Form Factor | Mini PCI Express (mPCIe) |
| Input Interface | PCI Express 2.0 |
| Output Interface | RS-232 x 2 |
| Output Connector Type | DB-9 (D-sub 9-pin) x 2 |
| Serial Data Rate | 4,800 bps to 921.6 Kbps |
| FIFO Buffer Size | 256 bytes per port |
| Isolation Voltage | 2.5 kV HiPOT (IEC 60950-1 compliant) |
| ESD Protection | EN61000-4-2: Air ±15 kV, Contact ±8 kV |
| Power Consumption | Maximum 0.58 W (3.3 V x 175 mA) |
| Dimensions (W x L x H) | 30 mm x 50.9 mm x 12.9 mm |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000 Hz |
| Shock Resistance | 50G @ 0.5 ms |
| Connector Plating | 30 µ-inch gold finger |
| Warranty | 3 years |
| Compliance Standards | IEC 60950-1, EN61000-4-2 |
| Driver Support | 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 |
| Driver Availability | Downloadable from MyInnodisk website |
| Product Code | EMP2-X2S1-W1 (Wide Temperature Version) |




### 4. Functionality

The EMP2-X2S1-W1-A71 functions as a bridge module that converts a Mini PCI Express interface into two isolated RS-232 serial communication ports. It enables embedded systems, industrial controllers, and compact computing platforms to communicate with legacy or industrial serial devices.

How It Works:
- The module plugs into a standard mPCIe slot on the host system.
- It interfaces with the system’s PCI Express bus to provide two independent RS-232 serial channels.
- Each channel is electrically isolated from the host and from each other, preventing ground loops and protecting against voltage surges.
- The onboard controller manages data buffering (256-byte FIFO) and flow control, ensuring stable and efficient serial communication.

Use Cases and Applications:
- Industrial automation systems requiring multiple isolated serial ports.
- Embedded PCs and single-board computers (SBCs) needing RS-232 connectivity.
- Communication gateways, data acquisition systems, and control panels.
- Transportation, energy, and factory automation environments.
- Legacy equipment integration in modern computing platforms.

Compatibility:
- Compatible with any system supporting mPCIe slots and PCI Express 2.0 signaling.
- Works with major operating systems including Windows and Linux.
- Supports standard RS-232 devices such as sensors, PLCs, modems, barcode scanners, and serial consoles.




### 5. Components & Accessories

Included Items:
- EMP2-X2S1-W1-A71 mPCIe module
- Two DB-9 connectors (for RS-232 output)
- Documentation and installation guide (digital or printed)
- Driver download instructions (via MyInnodisk website)

Optional Accessories:
- DB-9 to terminal block adapters (for custom wiring)
- Extension cables for RS-232 ports
- Mounting screws or brackets (depending on system chassis)
- Additional isolation or surge protection accessories (optional)

Connectors and Pin Assignments:

RS-232 DB-9 Pinout:

| Signal | Pin |
|-------------|----------|
| CD (Carrier Detect) | 1 |
| RXD (Receive Data) | 2 |
| TXD (Transmit Data) | 3 |
| DTR (Data Terminal Ready) | 4 |
| GND (Signal Ground) | 5 |
| DSR (Data Set Ready) | 6 |
| RTS (Request to Send) | 7 |
| CTS (Clear to Send) | 8 |
| RI (Ring Indicator) | 9 |




### 6. Installation & Setup

System Requirements:
- Host system with available Mini PCI Express slot (full-size or half-size depending on chassis design)
- Operating system supporting Innodisk serial drivers (Windows or Linux)
- Power supply capable of providing 3.3 V at up to 175 mA

Installation Steps:
1. Power off the host system and disconnect it from power.
2. Insert the EMP2-X2S1-W1-A71 module into the mPCIe slot, ensuring proper alignment of the gold fingers.
3. Secure the module using the provided screw or mounting bracket.
4. Connect the DB-9 cables to the RS-232 ports.
5. Power on the system and install the appropriate driver from the MyInnodisk website.
6. Verify installation through the operating system’s device manager or serial port configuration utility.

Configuration:
- Serial port parameters (baud rate, parity, stop bits, flow control) can be configured via software.
- Supports standard COM port assignment under Windows.
- Linux systems can configure ports via terminal or configuration files.

Mounting Options:
- Direct mPCIe slot installation on embedded boards or industrial PCs.
- Can be used in systems with mPCIe-to-PCIe or mPCIe-to-USB adapters if supported.




### 7. Performance & Capabilities

Speed and Throughput:
- Supports serial communication speeds from 4,800 bps to 921.6 Kbps, covering most industrial and commercial RS-232 applications.
- 256-byte FIFO buffers per channel ensure smooth data flow and minimize data loss during high-speed transfers.

Capacity and Efficiency:
- Dual-port design allows simultaneous communication with two independent RS-232 devices.
- Low power consumption (0.58 W max) ensures minimal thermal load and energy efficiency.

Isolation and Protection:
- 2.5 kV isolation prevents electrical interference and protects both host and connected devices.
- ESD protection up to ±15 kV (air) and ±8 kV (contact) ensures durability in static-prone environments.

Environmental Performance:
- Designed for industrial-grade reliability with wide temperature operation (-40°C to +85°C).
- Withstands vibration up to 5G and shock up to 50G, suitable for mobile or ruggedized systems.

Limitations:
- Limited to RS-232 signaling (does not support RS-422/485).
- Requires driver installation for full functionality on supported OS platforms.
- Physical space constraints may apply in compact systems depending on mPCIe slot orientation.




### 8. Standards & Compliance

Electrical and Safety Standards:
- IEC 60950-1:2005 + A1:2009 + A2:2013 – Safety standard for information technology equipment, ensuring electrical isolation and protection.
- EN61000-4-2 – Electromagnetic compatibility (EMC) standard for ESD immunity.

Environmental and Reliability Standards:
- Designed for industrial-grade operation with extended temperature and vibration/shock resistance.
- Complies with RoHS environmental directives (based on Innodisk’s standard manufacturing compliance).

Industry Standards:
- PCI Express 2.0 – Ensures interoperability with modern embedded and industrial computing platforms.
- RS-232 Standard (EIA/TIA-232-F) – Full compliance with standard serial communication protocols.




### 9. Additional Information

Warranty and Support:
- Warranty Period: 3 years limited warranty covering manufacturing defects and component reliability.
- Technical Support: Available through Innodisk’s global support network (email and phone).
- Driver and Software Updates: Downloadable from the MyInnodisk portal, including Windows and Linux drivers, documentation, and firmware updates.

Maintenance:
- No regular maintenance required beyond standard system cleaning and inspection.
- Ensure connectors remain free of dust and corrosion for optimal performance.
- Firmware and driver updates recommended periodically for compatibility and performance improvements.

Product Lifecycle and Availability:
- Designed for long-term availability and stable supply for industrial and embedded applications.
- Backward-compatible with existing Innodisk serial interface modules.

Ordering Information:
- Model: EMP2-X2S1-W1 (Wide Temperature Version)
- Description: mPCIe to two Isolated RS-232 Module
- Article Number: EMP2-X2S1-W1-A71

Manufacturer’s Note:
Specifications are subject to change without prior notice. For the latest product information, technical documentation, and driver downloads, visit [www.innodisk.com](https://www.innodisk.com).




### Summary

The Innodisk EMP2-X2S1-W1-A71 is a compact, industrial-grade mPCIe to dual isolated RS-232 module engineered for reliable serial communication in embedded and industrial environments. With full compliance to PCI Express 2.0, robust 2.5 kV isolation, and wide temperature operation, it provides a secure and efficient solution for connecting legacy RS-232 devices to modern computing platforms. Its dual-port configuration, high ESD protection, and low power consumption make it ideal for automation, control, and data acquisition applications where stability and electrical safety are paramount. Backed by Innodisk’s 3-year warranty and global support, the EMP2-X2S1-W1-A71 delivers long-term reliability and performance for mission-critical systems.

No accessories available.