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- Four independent serial ports supporting RS‑232, RS‑422, RS‑485 (2‑wire and 4‑wire) interfaces.
- High‑speed data transmission from 50 bps to 921.6 kbps per port.
- PCI Express ×1 bus interface, compliant with PCI Express Spec 1.1, compatible with x1, x2, x4, x8, x16 slots.
- Low‑profile design suitable for small‑form‑factor PCs and embedded systems.
- 15 kV ESD protection on all signal lines for industrial reliability.
- ADDC™ (Automatic Data Direction Control) for RS‑485 half‑duplex communication, eliminating manual RTS control.
- Intelligent RS‑485 auto‑tuning for bias and termination resistor optimization.
- Built‑in LED indicators for data flow and port status monitoring.
- 128‑byte FIFO buffers with hardware and software flow control.
- Comprehensive OS support: Windows (2000 through 10 and Server 2016), Linux (32/64‑bit), DOS, SCO Unix, Windows CE.
- Diagnostic and management software (PComm Lite, Moxa Serial Comm Tool) for configuration, testing, and monitoring.
- Optional 2 kV optical isolation (CP‑114EL‑I) for enhanced protection in noisy environments.
- Multiple connector options: DB9 male (CBL‑M44M9x4‑50) or DB25 male (CBL‑M44M25x4‑50).
- 5‑year manufacturer warranty and global technical support.
- High‑speed data transmission from 50 bps to 921.6 kbps per port.
- PCI Express ×1 bus interface, compliant with PCI Express Spec 1.1, compatible with x1, x2, x4, x8, x16 slots.
- Low‑profile design suitable for small‑form‑factor PCs and embedded systems.
- 15 kV ESD protection on all signal lines for industrial reliability.
- ADDC™ (Automatic Data Direction Control) for RS‑485 half‑duplex communication, eliminating manual RTS control.
- Intelligent RS‑485 auto‑tuning for bias and termination resistor optimization.
- Built‑in LED indicators for data flow and port status monitoring.
- 128‑byte FIFO buffers with hardware and software flow control.
- Comprehensive OS support: Windows (2000 through 10 and Server 2016), Linux (32/64‑bit), DOS, SCO Unix, Windows CE.
- Diagnostic and management software (PComm Lite, Moxa Serial Comm Tool) for configuration, testing, and monitoring.
- Optional 2 kV optical isolation (CP‑114EL‑I) for enhanced protection in noisy environments.
- Multiple connector options: DB9 male (CBL‑M44M9x4‑50) or DB25 male (CBL‑M44M25x4‑50).
- 5‑year manufacturer warranty and global technical support.
Comprehensive Product Summary: Moxa CP‑114EL PCI Express Multiport Serial Board
### 1. Product Overview
Product Name: CP‑114EL
Model Variants: CP‑114EL, CP‑114EL‑I (with 2 kV isolation), CP‑114EL‑DB9M, CP‑114EL‑DB25M
Series: Moxa PCI Express Multiport Serial Board Series
Article Number: CP‑114EL
Manufacturer: Moxa Inc.
Manufacturer Website: [www.moxa.com](https://www.moxa.com)
Edition Reference: Quick Installation Guide, Edition 2.0 (January 2018); PCI Express Board User’s Manual, Edition 11.2 (October 2017)
Part Number: P/N 1802001182041
The Moxa CP‑114EL is a four‑port PCI Express 1.0‑compliant serial communication board designed for industrial and commercial applications requiring multiple RS‑232/422/485 interfaces. It provides high‑speed asynchronous serial connectivity for POS, ATM, factory automation, and embedded control systems. The board’s low‑profile form factor allows installation in compact PCs and embedded controllers, while maintaining full electrical and protocol compatibility with legacy serial devices.
### 2. Key Features
- Four independent serial ports supporting RS‑232, RS‑422, RS‑485 (2‑wire and 4‑wire) interfaces.
- High‑speed data transmission from 50 bps to 921.6 kbps per port.
- PCI Express ×1 bus interface, compliant with PCI Express Spec 1.1, compatible with x1, x2, x4, x8, x16 slots.
- Low‑profile design suitable for small‑form‑factor PCs and embedded systems.
- 15 kV ESD protection on all signal lines for industrial reliability.
- ADDC™ (Automatic Data Direction Control) for RS‑485 half‑duplex communication, eliminating manual RTS control.
- Intelligent RS‑485 auto‑tuning for bias and termination resistor optimization.
- Built‑in LED indicators for data flow and port status monitoring.
- 128‑byte FIFO buffers with hardware and software flow control.
- Comprehensive OS support: Windows (2000 through 10 and Server 2016), Linux (32/64‑bit), DOS, SCO Unix, Windows CE.
- Diagnostic and management software (PComm Lite, Moxa Serial Comm Tool) for configuration, testing, and monitoring.
- Optional 2 kV optical isolation (CP‑114EL‑I) for enhanced protection in noisy environments.
- Multiple connector options: DB9 male (CBL‑M44M9x4‑50) or DB25 male (CBL‑M44M25x4‑50).
- 5‑year manufacturer warranty and global technical support.
### 3. Technical Specifications
Hardware Configuration
- Bus Interface: PCI Express ×1 (PCIe 1.0 compliant)
- Communication Controller: 16C550C‑compatible UART (MUE450 chipset)
- Number of Ports: 4 independent asynchronous serial ports
- Maximum Boards per System: 8 (only one IRQ required)
- Connector Type: Female DB44 on board; breakout cables to DB9 or DB25 male connectors
Signal Support
- RS‑232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
- RS‑422: TxD+(B), TxD‑(A), RxD+(B), RxD‑(A), GND
- RS‑485 (4‑wire): TxD+(B), TxD‑(A), RxD+(B), RxD‑(A), GND
- RS‑485 (2‑wire): Data+(B), Data‑(A), GND
Performance Parameters
- Baud Rate: 50 bps to 921.6 kbps (software selectable)
- Data Bits: 5, 6, 7, 8
- Stop Bits: 1, 1.5, 2
- Parity: None, Even, Odd, Space, Mark
- Flow Control: RTS/CTS and XON/XOFF
- FIFO Buffer: 128‑byte Tx and Rx FIFO per port
Electrical and Environmental
- Power Requirement: 805 mA @ 3.3 V DC
- Operating Temperature: 0 to 55 °C (32 to 131 °F)
- Storage Temperature: –20 to 85 °C (–4 to 185 °F)
- Humidity: 5 to 95 % RH (non‑condensing)
- ESD Protection: 15 kV embedded surge protection
- Optical Isolation: 2 kV (for CP‑114EL‑I variant)
Physical Characteristics
- Form Factor: Low‑profile PCI Express card
- Board Connector: Female DB44
- Cable Options: CBL‑M44M9x4‑50 (DB9 male × 4, 50 cm) or CBL‑M44M25x4‑50 (DB25 male × 4, 50 cm)
### 4. Functionality
The CP‑114EL functions as a multiport serial communication interface card for PCI Express systems. Each of its four ports can be individually configured for RS‑232, RS‑422, or RS‑485 operation through software utilities or driver settings. The board automatically assigns IRQ and I/O addresses via the PCI BIOS, simplifying installation and eliminating manual jumper configuration.
Use Cases and Applications
- Industrial automation and process control systems
- POS (Point‑of‑Sale) and ATM terminals
- Data acquisition and instrumentation interfaces
- Telecommunications and network management equipment
- Embedded PC controllers and machine interfaces
- Remote monitoring and SCADA systems
- Office automation and multi‑user serial applications
Compatibility
- Compatible with PCI Express x1 through x16 slots.
- Supports Windows (2000 to 10 and Server 2016), Linux (32/64‑bit), DOS, SCO Unix, and Windows CE.
- Works with Moxa PComm and Smartio/Industio drivers for seamless integration into existing systems.
### 5. Components & Accessories
Package Contents
- 1 × Moxa CP‑114EL PCI Express serial board
- 1 × Low‑profile bracket (for compact PC installation)
- 1 × Documentation and Software CD‑ROM (includes drivers and utilities)
- 1 × Printed Quick Installation Guide
- 1 × Warranty card
Optional Accessories
- CBL‑M44M9x4‑50: DB44 to four DB9 male connectors (50 cm)
- CBL‑M44M25x4‑50: DB44 to four DB25 male connectors (50 cm)
- CP‑114EL‑I: variant with 2 kV optical isolation for industrial environments
Connectors and Pin Assignments
Each port supports standard RS‑232 signals (DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS) and differential pairs for RS‑422/485 communication. Pin assignments are consistent with Moxa’s multiport serial board series for interchangeable cabling.
### 6. Installation & Setup
Hardware Installation Procedure
1. Power off the PC and remove the cover.
2. Insert the CP‑114EL board into an available PCI Express slot (x1 or larger).
3. Secure the board with the mounting screw and replace the cover.
4. Connect the appropriate cable (CBL‑M44M9x4‑50 or CBL‑M44M25x4‑50) to the DB44 connector.
5. Power on the system; the BIOS will automatically assign IRQ and I/O addresses.
6. Proceed with driver installation before connecting external devices.
Software Installation
- Drivers are available on the included CD or from [www.moxa.com](https://www.moxa.com).
- For Windows: run the installer (.exe), follow the wizard, and configure ports via Device Manager under “Multi‑port serial adapters → Moxa CP‑114EL Series (PCI Express Bus).”
- For Linux: extract the driver package (mxser.tgz), compile and install using `make install`, then verify with `msdiag`.
- For DOS and SCO: use the provided installation utilities (DOSINST.EXE or mxinstall).
Configuration Options
- Select interface type (RS‑232, RS‑422, RS‑485‑2W, RS‑485‑4W).
- Enable/disable 120 Ω termination resistors.
- Adjust FIFO trigger levels (High 128/120 bytes, Medium 64/60, Low 1/1).
- Assign COM port numbers manually or use auto‑enumeration.
Diagnostic Tools
- PComm Diagnostic: tests IRQ, TxD/RxD, UART, CTS/RTS, DTR/DSR functions.
- Monitor Utility: real‑time data throughput and line status monitoring.
- Terminal Emulator: VT100/ANSI terminal for data verification and file transfer.
### 7. Performance & Capabilities
- Transmission Speed: 50 bps to 921.6 kbps per port.
- Throughput: optimized via 128‑byte FIFO buffers and DMA‑like PCIe architecture.
- Latency: low due to direct PCIe bus access and automatic interrupt assignment.
- Reliability: 15 kV ESD protection and optional 2 kV isolation ensure robust operation in industrial environments.
- Scalability: up to 8 boards (32 ports total) can be installed in one system without IRQ conflicts.
- Efficiency: ADDC™ hardware automatically controls RS‑485 data direction, reducing CPU overhead.
- Limitations: operating temperature limited to 55 °C; requires 3.3 V PCIe slot power.
### 8. Standards & Compliance
Electrical and EMC Compliance
- EN 55032 (Class B) – Electromagnetic emissions
- EN 55024 – Immunity requirements
- EN 61000‑3‑2 / ‑3 – Harmonic and flicker standards
- IEC 61000‑4‑2 – ESD immunity
- IEC 61000‑4‑3 – Radiated RF immunity
- IEC 61000‑4‑4 – Electrical fast transient immunity
- IEC 61000‑4‑5 – Surge immunity
- IEC 61000‑4‑6 – Conducted RF immunity
- IEC 61000‑4‑8 – Power frequency magnetic field immunity
- IEC 61000‑4‑11 – Voltage dip and interruption immunity
- FCC Part 15 Class B – U.S. EMC compliance
Safety and Reliability
- Built‑in 15 kV ESD protection on all signal lines.
- Optional 2 kV optical isolation (CP‑114EL‑I).
- Complies with industrial automation and telecommunication equipment standards.
Environmental Compliance
- RoHS and WEEE directives compliant.
- Designed for long‑term operation in industrial temperature and humidity ranges.
### 9. Additional Information
Warranty and Support
- Warranty Period: 5 years limited hardware warranty.
- Technical Support: available worldwide via regional Moxa offices and [www.moxa.com/support](https://www.moxa.com/support).
- Firmware and Driver Updates: free downloads from Moxa’s support portal.
- Maintenance: no periodic maintenance required; firmware updates recommended for new OS versions.
Regional Contact Information
- Moxa Americas: Toll‑free 1‑888‑669‑2872 | Tel +1‑714‑528‑6777 | Fax +1‑714‑528‑6778
- Moxa Europe: Tel +49‑89‑3700399‑0 | Fax +49‑89‑3700399‑99
- Moxa India: Tel +91‑80‑4172‑9088 | Fax +91‑80‑4132‑1045
- Moxa China (Shanghai): Toll‑free 800‑820‑5036 | Tel +86‑21‑5258‑9955 | Fax +86‑21‑5258‑5505
- Moxa Asia‑Pacific: Tel +886‑2‑8919‑1230 | Fax +886‑2‑8919‑1231
Software Tools and Development Support
- PComm Lite: Windows‑based serial communication library and utilities for Visual C++, Visual Basic, and Delphi.
- Moxa Serial Comm Tool: diagnostics, monitoring, and terminal emulation utilities.
- Linux Utilities: `muestty`, `msdiag`, and `msterm` for interface configuration and testing.
- Programming Support: comprehensive API documentation and sample code for custom applications.
Maintenance and Troubleshooting
- Use PComm Diagnostic to verify port status and IRQ functionality.
- Check cable connections and pin assignments for correct signal mapping.
- If communication fails, verify RS‑485 bias and termination settings using the Intelligent RS‑485 Auto‑Tuning tool.
- Replace faulty cables or boards if diagnostic tests report hardware errors.
Product Lifecycle and Updates
The CP‑114EL series is part of Moxa’s long‑term industrial connectivity portfolio, with ongoing driver support for new operating systems and kernel versions. Firmware and software updates are periodically released to enhance stability and compatibility.
### Summary
The Moxa CP‑114EL is a robust, industrial‑grade PCI Express multiport serial board offering four configurable RS‑232/422/485 ports with high‑speed data rates up to 921.6 kbps. Its low‑profile design, broad OS support, and advanced features such as ADDC™ and Intelligent RS‑485 auto‑tuning make it ideal for industrial automation, POS/ATM systems, and embedded applications requiring reliable multi‑protocol serial communication. With 15 kV ESD protection, optional 2 kV isolation, and a five‑year warranty, the CP‑114EL delivers long‑term performance and stability in demanding environments.
### 1. Product Overview
Product Name: CP‑114EL
Model Variants: CP‑114EL, CP‑114EL‑I (with 2 kV isolation), CP‑114EL‑DB9M, CP‑114EL‑DB25M
Series: Moxa PCI Express Multiport Serial Board Series
Article Number: CP‑114EL
Manufacturer: Moxa Inc.
Manufacturer Website: [www.moxa.com](https://www.moxa.com)
Edition Reference: Quick Installation Guide, Edition 2.0 (January 2018); PCI Express Board User’s Manual, Edition 11.2 (October 2017)
Part Number: P/N 1802001182041
The Moxa CP‑114EL is a four‑port PCI Express 1.0‑compliant serial communication board designed for industrial and commercial applications requiring multiple RS‑232/422/485 interfaces. It provides high‑speed asynchronous serial connectivity for POS, ATM, factory automation, and embedded control systems. The board’s low‑profile form factor allows installation in compact PCs and embedded controllers, while maintaining full electrical and protocol compatibility with legacy serial devices.
### 2. Key Features
- Four independent serial ports supporting RS‑232, RS‑422, RS‑485 (2‑wire and 4‑wire) interfaces.
- High‑speed data transmission from 50 bps to 921.6 kbps per port.
- PCI Express ×1 bus interface, compliant with PCI Express Spec 1.1, compatible with x1, x2, x4, x8, x16 slots.
- Low‑profile design suitable for small‑form‑factor PCs and embedded systems.
- 15 kV ESD protection on all signal lines for industrial reliability.
- ADDC™ (Automatic Data Direction Control) for RS‑485 half‑duplex communication, eliminating manual RTS control.
- Intelligent RS‑485 auto‑tuning for bias and termination resistor optimization.
- Built‑in LED indicators for data flow and port status monitoring.
- 128‑byte FIFO buffers with hardware and software flow control.
- Comprehensive OS support: Windows (2000 through 10 and Server 2016), Linux (32/64‑bit), DOS, SCO Unix, Windows CE.
- Diagnostic and management software (PComm Lite, Moxa Serial Comm Tool) for configuration, testing, and monitoring.
- Optional 2 kV optical isolation (CP‑114EL‑I) for enhanced protection in noisy environments.
- Multiple connector options: DB9 male (CBL‑M44M9x4‑50) or DB25 male (CBL‑M44M25x4‑50).
- 5‑year manufacturer warranty and global technical support.
### 3. Technical Specifications
Hardware Configuration
- Bus Interface: PCI Express ×1 (PCIe 1.0 compliant)
- Communication Controller: 16C550C‑compatible UART (MUE450 chipset)
- Number of Ports: 4 independent asynchronous serial ports
- Maximum Boards per System: 8 (only one IRQ required)
- Connector Type: Female DB44 on board; breakout cables to DB9 or DB25 male connectors
Signal Support
- RS‑232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
- RS‑422: TxD+(B), TxD‑(A), RxD+(B), RxD‑(A), GND
- RS‑485 (4‑wire): TxD+(B), TxD‑(A), RxD+(B), RxD‑(A), GND
- RS‑485 (2‑wire): Data+(B), Data‑(A), GND
Performance Parameters
- Baud Rate: 50 bps to 921.6 kbps (software selectable)
- Data Bits: 5, 6, 7, 8
- Stop Bits: 1, 1.5, 2
- Parity: None, Even, Odd, Space, Mark
- Flow Control: RTS/CTS and XON/XOFF
- FIFO Buffer: 128‑byte Tx and Rx FIFO per port
Electrical and Environmental
- Power Requirement: 805 mA @ 3.3 V DC
- Operating Temperature: 0 to 55 °C (32 to 131 °F)
- Storage Temperature: –20 to 85 °C (–4 to 185 °F)
- Humidity: 5 to 95 % RH (non‑condensing)
- ESD Protection: 15 kV embedded surge protection
- Optical Isolation: 2 kV (for CP‑114EL‑I variant)
Physical Characteristics
- Form Factor: Low‑profile PCI Express card
- Board Connector: Female DB44
- Cable Options: CBL‑M44M9x4‑50 (DB9 male × 4, 50 cm) or CBL‑M44M25x4‑50 (DB25 male × 4, 50 cm)
### 4. Functionality
The CP‑114EL functions as a multiport serial communication interface card for PCI Express systems. Each of its four ports can be individually configured for RS‑232, RS‑422, or RS‑485 operation through software utilities or driver settings. The board automatically assigns IRQ and I/O addresses via the PCI BIOS, simplifying installation and eliminating manual jumper configuration.
Use Cases and Applications
- Industrial automation and process control systems
- POS (Point‑of‑Sale) and ATM terminals
- Data acquisition and instrumentation interfaces
- Telecommunications and network management equipment
- Embedded PC controllers and machine interfaces
- Remote monitoring and SCADA systems
- Office automation and multi‑user serial applications
Compatibility
- Compatible with PCI Express x1 through x16 slots.
- Supports Windows (2000 to 10 and Server 2016), Linux (32/64‑bit), DOS, SCO Unix, and Windows CE.
- Works with Moxa PComm and Smartio/Industio drivers for seamless integration into existing systems.
### 5. Components & Accessories
Package Contents
- 1 × Moxa CP‑114EL PCI Express serial board
- 1 × Low‑profile bracket (for compact PC installation)
- 1 × Documentation and Software CD‑ROM (includes drivers and utilities)
- 1 × Printed Quick Installation Guide
- 1 × Warranty card
Optional Accessories
- CBL‑M44M9x4‑50: DB44 to four DB9 male connectors (50 cm)
- CBL‑M44M25x4‑50: DB44 to four DB25 male connectors (50 cm)
- CP‑114EL‑I: variant with 2 kV optical isolation for industrial environments
Connectors and Pin Assignments
Each port supports standard RS‑232 signals (DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS) and differential pairs for RS‑422/485 communication. Pin assignments are consistent with Moxa’s multiport serial board series for interchangeable cabling.
### 6. Installation & Setup
Hardware Installation Procedure
1. Power off the PC and remove the cover.
2. Insert the CP‑114EL board into an available PCI Express slot (x1 or larger).
3. Secure the board with the mounting screw and replace the cover.
4. Connect the appropriate cable (CBL‑M44M9x4‑50 or CBL‑M44M25x4‑50) to the DB44 connector.
5. Power on the system; the BIOS will automatically assign IRQ and I/O addresses.
6. Proceed with driver installation before connecting external devices.
Software Installation
- Drivers are available on the included CD or from [www.moxa.com](https://www.moxa.com).
- For Windows: run the installer (.exe), follow the wizard, and configure ports via Device Manager under “Multi‑port serial adapters → Moxa CP‑114EL Series (PCI Express Bus).”
- For Linux: extract the driver package (mxser.tgz), compile and install using `make install`, then verify with `msdiag`.
- For DOS and SCO: use the provided installation utilities (DOSINST.EXE or mxinstall).
Configuration Options
- Select interface type (RS‑232, RS‑422, RS‑485‑2W, RS‑485‑4W).
- Enable/disable 120 Ω termination resistors.
- Adjust FIFO trigger levels (High 128/120 bytes, Medium 64/60, Low 1/1).
- Assign COM port numbers manually or use auto‑enumeration.
Diagnostic Tools
- PComm Diagnostic: tests IRQ, TxD/RxD, UART, CTS/RTS, DTR/DSR functions.
- Monitor Utility: real‑time data throughput and line status monitoring.
- Terminal Emulator: VT100/ANSI terminal for data verification and file transfer.
### 7. Performance & Capabilities
- Transmission Speed: 50 bps to 921.6 kbps per port.
- Throughput: optimized via 128‑byte FIFO buffers and DMA‑like PCIe architecture.
- Latency: low due to direct PCIe bus access and automatic interrupt assignment.
- Reliability: 15 kV ESD protection and optional 2 kV isolation ensure robust operation in industrial environments.
- Scalability: up to 8 boards (32 ports total) can be installed in one system without IRQ conflicts.
- Efficiency: ADDC™ hardware automatically controls RS‑485 data direction, reducing CPU overhead.
- Limitations: operating temperature limited to 55 °C; requires 3.3 V PCIe slot power.
### 8. Standards & Compliance
Electrical and EMC Compliance
- EN 55032 (Class B) – Electromagnetic emissions
- EN 55024 – Immunity requirements
- EN 61000‑3‑2 / ‑3 – Harmonic and flicker standards
- IEC 61000‑4‑2 – ESD immunity
- IEC 61000‑4‑3 – Radiated RF immunity
- IEC 61000‑4‑4 – Electrical fast transient immunity
- IEC 61000‑4‑5 – Surge immunity
- IEC 61000‑4‑6 – Conducted RF immunity
- IEC 61000‑4‑8 – Power frequency magnetic field immunity
- IEC 61000‑4‑11 – Voltage dip and interruption immunity
- FCC Part 15 Class B – U.S. EMC compliance
Safety and Reliability
- Built‑in 15 kV ESD protection on all signal lines.
- Optional 2 kV optical isolation (CP‑114EL‑I).
- Complies with industrial automation and telecommunication equipment standards.
Environmental Compliance
- RoHS and WEEE directives compliant.
- Designed for long‑term operation in industrial temperature and humidity ranges.
### 9. Additional Information
Warranty and Support
- Warranty Period: 5 years limited hardware warranty.
- Technical Support: available worldwide via regional Moxa offices and [www.moxa.com/support](https://www.moxa.com/support).
- Firmware and Driver Updates: free downloads from Moxa’s support portal.
- Maintenance: no periodic maintenance required; firmware updates recommended for new OS versions.
Regional Contact Information
- Moxa Americas: Toll‑free 1‑888‑669‑2872 | Tel +1‑714‑528‑6777 | Fax +1‑714‑528‑6778
- Moxa Europe: Tel +49‑89‑3700399‑0 | Fax +49‑89‑3700399‑99
- Moxa India: Tel +91‑80‑4172‑9088 | Fax +91‑80‑4132‑1045
- Moxa China (Shanghai): Toll‑free 800‑820‑5036 | Tel +86‑21‑5258‑9955 | Fax +86‑21‑5258‑5505
- Moxa Asia‑Pacific: Tel +886‑2‑8919‑1230 | Fax +886‑2‑8919‑1231
Software Tools and Development Support
- PComm Lite: Windows‑based serial communication library and utilities for Visual C++, Visual Basic, and Delphi.
- Moxa Serial Comm Tool: diagnostics, monitoring, and terminal emulation utilities.
- Linux Utilities: `muestty`, `msdiag`, and `msterm` for interface configuration and testing.
- Programming Support: comprehensive API documentation and sample code for custom applications.
Maintenance and Troubleshooting
- Use PComm Diagnostic to verify port status and IRQ functionality.
- Check cable connections and pin assignments for correct signal mapping.
- If communication fails, verify RS‑485 bias and termination settings using the Intelligent RS‑485 Auto‑Tuning tool.
- Replace faulty cables or boards if diagnostic tests report hardware errors.
Product Lifecycle and Updates
The CP‑114EL series is part of Moxa’s long‑term industrial connectivity portfolio, with ongoing driver support for new operating systems and kernel versions. Firmware and software updates are periodically released to enhance stability and compatibility.
### Summary
The Moxa CP‑114EL is a robust, industrial‑grade PCI Express multiport serial board offering four configurable RS‑232/422/485 ports with high‑speed data rates up to 921.6 kbps. Its low‑profile design, broad OS support, and advanced features such as ADDC™ and Intelligent RS‑485 auto‑tuning make it ideal for industrial automation, POS/ATM systems, and embedded applications requiring reliable multi‑protocol serial communication. With 15 kV ESD protection, optional 2 kV isolation, and a five‑year warranty, the CP‑114EL delivers long‑term performance and stability in demanding environments.
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moxa-cp-114el-series-datasheet-v1.0.pdf
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