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- Dual-Port Synchronous Serial Communication: Two independent RS-232 synchronous serial ports for simultaneous data transmission and reception.
- Intelligent Onboard Processing: Integrated controller for offloading communication tasks from the host CPU, improving system efficiency.
- PCI Bus Interface: Fully compliant with PCI 2.1/2.2 standards, supporting 32-bit, 33 MHz operation.
- High-Speed Data Transfer: Supports synchronous data rates up to several Mbps (depending on configuration and cable length).
- Flexible Interface Options: Supports RS-232/V.24 and optional V.35 interfaces for WAN connectivity.
- Comprehensive API Library: Includes a full-featured API programming library with over 40 functions for custom application development.
- Driver Support: Compatible with Windows NT and other legacy Windows environments; includes configuration utilities and driver management tools.
- Industrial Reliability: Designed for continuous operation in industrial and networking environments.
- Diagnostic and Troubleshooting Tools: Built-in status monitoring, line diagnostics, and error reporting functions.
- Compact PCI Form Factor: Fits standard PCI slots in desktop or industrial PCs.
- Intelligent Onboard Processing: Integrated controller for offloading communication tasks from the host CPU, improving system efficiency.
- PCI Bus Interface: Fully compliant with PCI 2.1/2.2 standards, supporting 32-bit, 33 MHz operation.
- High-Speed Data Transfer: Supports synchronous data rates up to several Mbps (depending on configuration and cable length).
- Flexible Interface Options: Supports RS-232/V.24 and optional V.35 interfaces for WAN connectivity.
- Comprehensive API Library: Includes a full-featured API programming library with over 40 functions for custom application development.
- Driver Support: Compatible with Windows NT and other legacy Windows environments; includes configuration utilities and driver management tools.
- Industrial Reliability: Designed for continuous operation in industrial and networking environments.
- Diagnostic and Troubleshooting Tools: Built-in status monitoring, line diagnostics, and error reporting functions.
- Compact PCI Form Factor: Fits standard PCI slots in desktop or industrial PCs.
Comprehensive Product Summary – Moxa C502-PCI/232 Dual-Port Synchronous Serial PCI Card
### 1. Product Overview
Product Name: C502-PCI/232
Model: C502 Dual-Port Sync Board
Series: C500 Series Intelligent Sync/WAN PCI Cards
Article Number: C502-PCI/232
Manufacturer: Moxa Technologies Co., Ltd.
Manufacturer Contact:
- Address: Moxa Technologies Co., Ltd., Taipei, Taiwan
- Tel: +886-2-8665-8535
- Fax: +886-2-8665-8536
- Website: [www.moxa.com](http://www.moxa.com)
- Email: service@moxa.com.tw
Product Description:
The Moxa C502-PCI/232 is a dual-port intelligent synchronous serial PCI card designed for high-performance WAN and synchronous communication applications. It provides two independent RS-232 synchronous serial ports and includes a 1-meter RS-232 cable. The card is engineered for industrial-grade reliability and is compatible with a wide range of operating systems and communication protocols.
### 2. Key Features
- Dual-Port Synchronous Serial Communication: Two independent RS-232 synchronous serial ports for simultaneous data transmission and reception.
- Intelligent Onboard Processing: Integrated controller for offloading communication tasks from the host CPU, improving system efficiency.
- PCI Bus Interface: Fully compliant with PCI 2.1/2.2 standards, supporting 32-bit, 33 MHz operation.
- High-Speed Data Transfer: Supports synchronous data rates up to several Mbps (depending on configuration and cable length).
- Flexible Interface Options: Supports RS-232/V.24 and optional V.35 interfaces for WAN connectivity.
- Comprehensive API Library: Includes a full-featured API programming library with over 40 functions for custom application development.
- Driver Support: Compatible with Windows NT and other legacy Windows environments; includes configuration utilities and driver management tools.
- Industrial Reliability: Designed for continuous operation in industrial and networking environments.
- Diagnostic and Troubleshooting Tools: Built-in status monitoring, line diagnostics, and error reporting functions.
- Compact PCI Form Factor: Fits standard PCI slots in desktop or industrial PCs.
### 3. Technical Specifications
Bus Interface:
- PCI Local Bus, 32-bit, 33 MHz
- PCI 2.1/2.2 compliant
Serial Ports:
- 2 independent synchronous serial ports
- Interface type: RS-232 (V.24 standard)
- Optional interface: V.35 (via adapter cable)
Connector Type:
- DB-25 female connectors (via breakout cable)
- 1-meter RS-232 cable included
Signal Support (RS-232/V.24):
- TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, and GND
- Full-duplex operation
Signal Support (V.35):
- TXD±, RXD±, RTS±, CTS±, DTR±, DSR±, DCD±, and clock signals
- Balanced differential signaling for long-distance WAN applications
Dimensions:
- Approx. 120 mm (L) × 100 mm (H) × 20 mm (W) (standard PCI card size)
Weight:
- Approx. 150 g (card only)
- Approx. 250 g (with cable)
Power Requirements:
- +5 VDC from PCI bus
- Typical consumption: < 500 mA
Operating Environment:
- Operating temperature: 0 to 55°C
- Storage temperature: -20 to 85°C
- Humidity: 5% to 95% RH (non-condensing)
Indicators:
- LED indicators for port activity and status
Cable Length:
- 1-meter RS-232 cable included
- Optional longer cables available
### 4. Functionality
Operation Principle:
The C502-PCI/232 operates as an intelligent synchronous serial interface card that communicates with the host system via the PCI bus. Each port can be configured independently for synchronous or asynchronous operation, supporting various communication protocols such as HDLC, SDLC, or proprietary synchronous framing.
Use Cases and Applications:
- WAN connectivity for routers and access servers
- Industrial automation and SCADA systems
- Data acquisition and telemetry
- Point-to-point synchronous communication links
- Legacy system integration requiring synchronous RS-232 or V.35 interfaces
Compatibility:
- Compatible with Windows NT and other Windows-based systems (driver support included)
- API library allows integration with custom software applications
- Supports standard synchronous communication protocols
Software Integration:
- Includes driver installation package for Windows NT
- Configuration utility for port setup and parameter adjustment
- API library for C/C++ development environments
### 5. Components & Accessories
Package Contents:
- 1 × C502-PCI/232 dual-port PCI card
- 1 × 1-meter RS-232 cable (DB-25 connectors)
- 1 × User’s Manual (C502 Dual-Port Sync Board User’s Manual)
- 1 × Driver and utility disk (Windows NT drivers and API library)
Optional Accessories:
- V.35 adapter cable for WAN applications
- Extended RS-232 cables (up to 5 meters)
- PCI slot brackets for low-profile installations
Connectors:
- DB-25 female connectors for RS-232 interface
- Optional V.35 connectors via adapter cable
### 6. Installation & Setup
Hardware Installation:
1. Power off the host computer and remove the cover.
2. Insert the C502-PCI/232 card into an available PCI slot.
3. Secure the card with the mounting screw.
4. Connect the RS-232 cable to the card’s external connector.
5. Power on the system and verify hardware detection in the BIOS or operating system.
Software Installation (Windows NT):
1. Insert the driver disk and run the setup utility.
2. Follow on-screen instructions to install the C502 driver.
3. Reboot the system after installation.
4. Use the configuration utility to assign port parameters (baud rate, clock source, encoding, etc.).
Configuration Options:
- Select synchronous or asynchronous mode per port.
- Configure baud rate, clock direction, and CRC mode.
- Enable or disable hardware flow control.
- Adjust read/write timeouts and buffer sizes.
Driver Removal:
- Use the Windows NT “Add/Remove Programs” utility to uninstall the driver.
### 7. Performance & Capabilities
Data Rate:
- Supports synchronous data rates up to several Mbps (depending on cable and system configuration).
Buffering:
- Onboard FIFO buffers for transmit and receive queues.
- Efficient DMA or interrupt-driven data transfer.
Processing:
- Intelligent onboard controller reduces CPU load.
- Supports frame-based data handling for HDLC/SDLC protocols.
API Library Functions:
The C502 API library provides over 40 functions for low-level control and monitoring, including:
- syio_Open / syio_Close: Open and close communication channels.
- syio_Read / syio_Write: Perform data I/O operations.
- syio_SetBaud / syio_GetBaud: Configure and query baud rates.
- syio_SetCRCMode / syio_GetCRCMode: Manage CRC error-checking modes.
- syio_DTR / syio_RTS: Control modem signals.
- syio_InFrame / syio_OutFrame: Handle framed data transmission.
- syio_LineStatus: Retrieve line and modem status.
- syio_TxEnable / syio_TxDisable: Control transmitter state.
- syio_GetBoardID: Identify board instance in multi-card systems.
Efficiency:
- Optimized for low-latency communication.
- Supports interrupt-driven operation for real-time responsiveness.
Limitations:
- Designed for PCI (not PCIe) slots.
- Windows NT driver support; newer OS support may require updated drivers.
### 8. Standards & Compliance
Electrical and Interface Standards:
- RS-232 (EIA/TIA-232, V.24)
- Optional V.35 interface (ITU-T V.35 standard)
- PCI Local Bus Specification 2.1/2.2 compliant
Regulatory Compliance:
- CE Mark (EMC compliance)
- FCC Class A (industrial/commercial use)
- RoHS compliant (lead-free manufacturing)
Industry Standards Supported:
- HDLC/SDLC synchronous protocols
- Asynchronous serial communication standards
- Compatible with standard WAN and modem signaling
### 9. Additional Information
Warranty:
- Standard 3-year limited hardware warranty from Moxa Technologies.
Technical Support:
- Global technical support via email and phone.
- Online resources, driver downloads, and documentation available at [www.moxa.com](http://www.moxa.com).
Maintenance:
- No periodic maintenance required.
- Ensure proper grounding and environmental conditions for long-term reliability.
Firmware & Software Updates:
- Driver and API updates available through Moxa’s support portal.
- Backward-compatible with previous C500 series software.
Troubleshooting:
- Appendix C of the user manual provides detailed troubleshooting steps.
- Includes a problem report form for technical support requests.
Return Procedure:
- Contact Moxa technical support for RMA authorization.
- Provide product serial number, problem description, and contact details.
### Summary
The Moxa C502-PCI/232 Dual-Port Synchronous Serial PCI Card is a robust, industrial-grade communication interface designed for demanding synchronous serial applications. With dual RS-232 ports, intelligent onboard processing, and comprehensive software support, it provides a reliable solution for WAN connectivity, industrial automation, and legacy system integration. Its compliance with PCI, RS-232, and V.35 standards ensures broad compatibility, while the extensive API library and driver support make it ideal for developers and system integrators seeking precise control over synchronous communication tasks.
This card exemplifies Moxa’s commitment to industrial networking reliability, offering high performance, flexible configuration, and long-term support for mission-critical communication systems.
### 1. Product Overview
Product Name: C502-PCI/232
Model: C502 Dual-Port Sync Board
Series: C500 Series Intelligent Sync/WAN PCI Cards
Article Number: C502-PCI/232
Manufacturer: Moxa Technologies Co., Ltd.
Manufacturer Contact:
- Address: Moxa Technologies Co., Ltd., Taipei, Taiwan
- Tel: +886-2-8665-8535
- Fax: +886-2-8665-8536
- Website: [www.moxa.com](http://www.moxa.com)
- Email: service@moxa.com.tw
Product Description:
The Moxa C502-PCI/232 is a dual-port intelligent synchronous serial PCI card designed for high-performance WAN and synchronous communication applications. It provides two independent RS-232 synchronous serial ports and includes a 1-meter RS-232 cable. The card is engineered for industrial-grade reliability and is compatible with a wide range of operating systems and communication protocols.
### 2. Key Features
- Dual-Port Synchronous Serial Communication: Two independent RS-232 synchronous serial ports for simultaneous data transmission and reception.
- Intelligent Onboard Processing: Integrated controller for offloading communication tasks from the host CPU, improving system efficiency.
- PCI Bus Interface: Fully compliant with PCI 2.1/2.2 standards, supporting 32-bit, 33 MHz operation.
- High-Speed Data Transfer: Supports synchronous data rates up to several Mbps (depending on configuration and cable length).
- Flexible Interface Options: Supports RS-232/V.24 and optional V.35 interfaces for WAN connectivity.
- Comprehensive API Library: Includes a full-featured API programming library with over 40 functions for custom application development.
- Driver Support: Compatible with Windows NT and other legacy Windows environments; includes configuration utilities and driver management tools.
- Industrial Reliability: Designed for continuous operation in industrial and networking environments.
- Diagnostic and Troubleshooting Tools: Built-in status monitoring, line diagnostics, and error reporting functions.
- Compact PCI Form Factor: Fits standard PCI slots in desktop or industrial PCs.
### 3. Technical Specifications
Bus Interface:
- PCI Local Bus, 32-bit, 33 MHz
- PCI 2.1/2.2 compliant
Serial Ports:
- 2 independent synchronous serial ports
- Interface type: RS-232 (V.24 standard)
- Optional interface: V.35 (via adapter cable)
Connector Type:
- DB-25 female connectors (via breakout cable)
- 1-meter RS-232 cable included
Signal Support (RS-232/V.24):
- TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, and GND
- Full-duplex operation
Signal Support (V.35):
- TXD±, RXD±, RTS±, CTS±, DTR±, DSR±, DCD±, and clock signals
- Balanced differential signaling for long-distance WAN applications
Dimensions:
- Approx. 120 mm (L) × 100 mm (H) × 20 mm (W) (standard PCI card size)
Weight:
- Approx. 150 g (card only)
- Approx. 250 g (with cable)
Power Requirements:
- +5 VDC from PCI bus
- Typical consumption: < 500 mA
Operating Environment:
- Operating temperature: 0 to 55°C
- Storage temperature: -20 to 85°C
- Humidity: 5% to 95% RH (non-condensing)
Indicators:
- LED indicators for port activity and status
Cable Length:
- 1-meter RS-232 cable included
- Optional longer cables available
### 4. Functionality
Operation Principle:
The C502-PCI/232 operates as an intelligent synchronous serial interface card that communicates with the host system via the PCI bus. Each port can be configured independently for synchronous or asynchronous operation, supporting various communication protocols such as HDLC, SDLC, or proprietary synchronous framing.
Use Cases and Applications:
- WAN connectivity for routers and access servers
- Industrial automation and SCADA systems
- Data acquisition and telemetry
- Point-to-point synchronous communication links
- Legacy system integration requiring synchronous RS-232 or V.35 interfaces
Compatibility:
- Compatible with Windows NT and other Windows-based systems (driver support included)
- API library allows integration with custom software applications
- Supports standard synchronous communication protocols
Software Integration:
- Includes driver installation package for Windows NT
- Configuration utility for port setup and parameter adjustment
- API library for C/C++ development environments
### 5. Components & Accessories
Package Contents:
- 1 × C502-PCI/232 dual-port PCI card
- 1 × 1-meter RS-232 cable (DB-25 connectors)
- 1 × User’s Manual (C502 Dual-Port Sync Board User’s Manual)
- 1 × Driver and utility disk (Windows NT drivers and API library)
Optional Accessories:
- V.35 adapter cable for WAN applications
- Extended RS-232 cables (up to 5 meters)
- PCI slot brackets for low-profile installations
Connectors:
- DB-25 female connectors for RS-232 interface
- Optional V.35 connectors via adapter cable
### 6. Installation & Setup
Hardware Installation:
1. Power off the host computer and remove the cover.
2. Insert the C502-PCI/232 card into an available PCI slot.
3. Secure the card with the mounting screw.
4. Connect the RS-232 cable to the card’s external connector.
5. Power on the system and verify hardware detection in the BIOS or operating system.
Software Installation (Windows NT):
1. Insert the driver disk and run the setup utility.
2. Follow on-screen instructions to install the C502 driver.
3. Reboot the system after installation.
4. Use the configuration utility to assign port parameters (baud rate, clock source, encoding, etc.).
Configuration Options:
- Select synchronous or asynchronous mode per port.
- Configure baud rate, clock direction, and CRC mode.
- Enable or disable hardware flow control.
- Adjust read/write timeouts and buffer sizes.
Driver Removal:
- Use the Windows NT “Add/Remove Programs” utility to uninstall the driver.
### 7. Performance & Capabilities
Data Rate:
- Supports synchronous data rates up to several Mbps (depending on cable and system configuration).
Buffering:
- Onboard FIFO buffers for transmit and receive queues.
- Efficient DMA or interrupt-driven data transfer.
Processing:
- Intelligent onboard controller reduces CPU load.
- Supports frame-based data handling for HDLC/SDLC protocols.
API Library Functions:
The C502 API library provides over 40 functions for low-level control and monitoring, including:
- syio_Open / syio_Close: Open and close communication channels.
- syio_Read / syio_Write: Perform data I/O operations.
- syio_SetBaud / syio_GetBaud: Configure and query baud rates.
- syio_SetCRCMode / syio_GetCRCMode: Manage CRC error-checking modes.
- syio_DTR / syio_RTS: Control modem signals.
- syio_InFrame / syio_OutFrame: Handle framed data transmission.
- syio_LineStatus: Retrieve line and modem status.
- syio_TxEnable / syio_TxDisable: Control transmitter state.
- syio_GetBoardID: Identify board instance in multi-card systems.
Efficiency:
- Optimized for low-latency communication.
- Supports interrupt-driven operation for real-time responsiveness.
Limitations:
- Designed for PCI (not PCIe) slots.
- Windows NT driver support; newer OS support may require updated drivers.
### 8. Standards & Compliance
Electrical and Interface Standards:
- RS-232 (EIA/TIA-232, V.24)
- Optional V.35 interface (ITU-T V.35 standard)
- PCI Local Bus Specification 2.1/2.2 compliant
Regulatory Compliance:
- CE Mark (EMC compliance)
- FCC Class A (industrial/commercial use)
- RoHS compliant (lead-free manufacturing)
Industry Standards Supported:
- HDLC/SDLC synchronous protocols
- Asynchronous serial communication standards
- Compatible with standard WAN and modem signaling
### 9. Additional Information
Warranty:
- Standard 3-year limited hardware warranty from Moxa Technologies.
Technical Support:
- Global technical support via email and phone.
- Online resources, driver downloads, and documentation available at [www.moxa.com](http://www.moxa.com).
Maintenance:
- No periodic maintenance required.
- Ensure proper grounding and environmental conditions for long-term reliability.
Firmware & Software Updates:
- Driver and API updates available through Moxa’s support portal.
- Backward-compatible with previous C500 series software.
Troubleshooting:
- Appendix C of the user manual provides detailed troubleshooting steps.
- Includes a problem report form for technical support requests.
Return Procedure:
- Contact Moxa technical support for RMA authorization.
- Provide product serial number, problem description, and contact details.
### Summary
The Moxa C502-PCI/232 Dual-Port Synchronous Serial PCI Card is a robust, industrial-grade communication interface designed for demanding synchronous serial applications. With dual RS-232 ports, intelligent onboard processing, and comprehensive software support, it provides a reliable solution for WAN connectivity, industrial automation, and legacy system integration. Its compliance with PCI, RS-232, and V.35 standards ensures broad compatibility, while the extensive API library and driver support make it ideal for developers and system integrators seeking precise control over synchronous communication tasks.
This card exemplifies Moxa’s commitment to industrial networking reliability, offering high performance, flexible configuration, and long-term support for mission-critical communication systems.
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C502.pdf
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