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- Universal PCI Compatibility: Supports both 3.3V and 5V PCI bus slots, ensuring compatibility with a wide range of modern and legacy PC servers and workstations.
- Eight Independent RS-232 Ports: Provides eight fully independent asynchronous serial communication channels for simultaneous device connections.
- High-Speed Data Transmission: Supports baud rates from 50 bps up to 230.4 Kbps, suitable for a wide range of serial communication applications.
- 16550C-Compatible UART: Each port is equipped with a MOXA UART compatible with the industry-standard 16C550C, featuring a 64-byte FIFO for efficient data buffering and reduced CPU load.
- Embedded Surge Protection: Built-in 16 kV ESD (Electrostatic Discharge) protection ensures robust operation in electrically noisy environments and safeguards connected devices.
- LED Indicators: Integrated data flow LEDs provide real-time visual feedback of transmission and reception activity on each port.
- Flexible System Expansion: Supports installation of up to 4 boards per system, allowing a total of 32 serial ports in one host PC.
- Compact Design: Small form factor (110 x 135 mm) suitable for standard PCI slots with a 121 mm bracket.
- Comprehensive Software Support: Includes MOXA software CD with drivers and utilities for easy configuration and integration.
- Optional Connection Accessories: Multiple connector options (DB9 or DB25, male or female) available for flexible deployment.
- Industrial-Grade Reliability: Designed for continuous operation in demanding industrial and commercial environments.
- Eight Independent RS-232 Ports: Provides eight fully independent asynchronous serial communication channels for simultaneous device connections.
- High-Speed Data Transmission: Supports baud rates from 50 bps up to 230.4 Kbps, suitable for a wide range of serial communication applications.
- 16550C-Compatible UART: Each port is equipped with a MOXA UART compatible with the industry-standard 16C550C, featuring a 64-byte FIFO for efficient data buffering and reduced CPU load.
- Embedded Surge Protection: Built-in 16 kV ESD (Electrostatic Discharge) protection ensures robust operation in electrically noisy environments and safeguards connected devices.
- LED Indicators: Integrated data flow LEDs provide real-time visual feedback of transmission and reception activity on each port.
- Flexible System Expansion: Supports installation of up to 4 boards per system, allowing a total of 32 serial ports in one host PC.
- Compact Design: Small form factor (110 x 135 mm) suitable for standard PCI slots with a 121 mm bracket.
- Comprehensive Software Support: Includes MOXA software CD with drivers and utilities for easy configuration and integration.
- Optional Connection Accessories: Multiple connector options (DB9 or DB25, male or female) available for flexible deployment.
- Industrial-Grade Reliability: Designed for continuous operation in demanding industrial and commercial environments.
Comprehensive Product Summary – MOXA CP-168U 8-Port RS-232 Universal PCI Card
### 1. Product Overview
Product Name: CP-168U
Model Number: CP-168U
Series: CP-168 Universal PCI Series
Article Number: CP-168U
Manufacturer: MOXA Inc.
Product Type: 8-Port RS-232 Universal PCI Communication Card
Description: 8-port RS-232 asynchronous Universal PCI (UPCI) card with 16550C-compatible UART, supporting data rates up to 230.4 Kbps, 16 kV ESD protection, and LED indicators for data flow.
The MOXA CP-168U is a high-performance multiport serial communication card designed for industrial and commercial applications requiring multiple RS-232 connections. It provides eight independent asynchronous serial ports on a single PCI expansion card, enabling reliable communication between PCs and serial devices such as data acquisition systems, industrial controllers, and instrumentation equipment.
### 2. Key Features
- Universal PCI Compatibility: Supports both 3.3V and 5V PCI bus slots, ensuring compatibility with a wide range of modern and legacy PC servers and workstations.
- Eight Independent RS-232 Ports: Provides eight fully independent asynchronous serial communication channels for simultaneous device connections.
- High-Speed Data Transmission: Supports baud rates from 50 bps up to 230.4 Kbps, suitable for a wide range of serial communication applications.
- 16550C-Compatible UART: Each port is equipped with a MOXA UART compatible with the industry-standard 16C550C, featuring a 64-byte FIFO for efficient data buffering and reduced CPU load.
- Embedded Surge Protection: Built-in 16 kV ESD (Electrostatic Discharge) protection ensures robust operation in electrically noisy environments and safeguards connected devices.
- LED Indicators: Integrated data flow LEDs provide real-time visual feedback of transmission and reception activity on each port.
- Flexible System Expansion: Supports installation of up to 4 boards per system, allowing a total of 32 serial ports in one host PC.
- Compact Design: Small form factor (110 x 135 mm) suitable for standard PCI slots with a 121 mm bracket.
- Comprehensive Software Support: Includes MOXA software CD with drivers and utilities for easy configuration and integration.
- Optional Connection Accessories: Multiple connector options (DB9 or DB25, male or female) available for flexible deployment.
- Industrial-Grade Reliability: Designed for continuous operation in demanding industrial and commercial environments.
### 3. Technical Specifications
Bus Interface: 32-bit Universal PCI (3.3V/5V compatible)
Number of Ports: 8 independent RS-232 asynchronous serial ports
Maximum Number of Boards per System: 4
Communication Controller: MOXA proprietary UART, 16C550C compatible
FIFO Buffer: 64-byte transmit and receive FIFO per port
Baud Rate Range: 50 bps to 230.4 Kbps
Data Bits: 5, 6, 7, or 8 bits
Stop Bits: 1, 1.5, or 2 bits
Parity Options: None, Even, Odd, Space, Mark
Signal Lines: TxD, RxD, RTS, CTS, DCD, DTR, DSR, GND
Connector Type: DB62 female connector on the card (breakout cables or boxes required for individual ports)
Surge Protection: Embedded 16 kV ESD protection on all signal lines
I/O Address and IRQ: Automatically assigned by PCI BIOS
Mechanical Dimensions:
- Width: 110 mm
- Depth: 135 mm
- Bracket Length: 121 mm (standard PCI bracket)
Weight: Approximately 150–200 g (typical for PCI communication cards)
Environmental Conditions:
- Operating Temperature: 0°C to 55°C
- Storage Temperature: -20°C to 85°C
- Relative Humidity: 5% to 95% RH (non-condensing)
Regulatory Approvals:
- CE (Conformité Européenne)
- FCC (Federal Communications Commission)
### 4. Functionality
The MOXA CP-168U functions as an interface card that expands a computer’s serial communication capabilities. Installed in a PCI slot, it provides eight RS-232 ports accessible through a DB62 connector. Each port operates independently, allowing simultaneous communication with multiple serial devices.
How It Works:
- The card interfaces with the host system via the PCI bus, using a 32-bit data path.
- Each port is managed by a dedicated UART (Universal Asynchronous Receiver/Transmitter) that handles serial data transmission and reception.
- The 64-byte FIFO buffer minimizes CPU overhead by allowing efficient data queuing.
- The card’s firmware and driver software manage communication parameters such as baud rate, parity, and stop bits.
- Data flow LEDs indicate active transmission (Tx) and reception (Rx) for quick diagnostics.
Use Cases and Applications:
- Industrial automation systems requiring multiple serial device connections
- Data acquisition and monitoring systems
- POS (Point of Sale) terminals and kiosks
- Laboratory instrumentation and test equipment
- Building management systems (BMS)
- SCADA (Supervisory Control and Data Acquisition) networks
- Legacy equipment integration in modern PCs
Compatibility:
- Compatible with PCs and servers supporting Universal PCI (3.3V/5V) slots
- Works with major operating systems (Windows, Linux, and others supported via MOXA drivers)
- Supports integration with MOXA’s serial communication utilities and SDKs
### 5. Components & Accessories
Included Items:
- MOXA CP-168U 8-Port RS-232 Universal PCI Card
- MOXA Software CD (includes drivers, utilities, and documentation)
Optional Accessories (choose one per board):
- Opt8A: 8-port DB25 female connection box (includes connection cable)
- Opt8B: 8-port DB25 male connection box (includes connection cable)
- Opt8C: 8-port DB9 male connection cable
- Opt8D: 8-port DB25 female connection cable
Connectors and Cables:
- The card features a DB62 female connector on the bracket.
- Optional breakout cables or boxes convert the DB62 interface into eight individual DB9 or DB25 connectors, depending on the selected accessory.
Indicators:
- LED indicators for each port showing data transmission and reception activity.
### 6. Installation & Setup
System Requirements:
- Available PCI or Universal PCI slot (3.3V or 5V)
- Compatible operating system with MOXA driver support
- Administrative privileges for driver installation
Installation Steps:
1. Power off the host computer and disconnect it from the power source.
2. Insert the CP-168U card into an available PCI slot, ensuring a secure fit.
3. Attach the appropriate breakout cable or connection box (Opt8A–Opt8D) to the DB62 connector.
4. Power on the system; the PCI BIOS will automatically assign I/O addresses and IRQs.
5. Install the MOXA driver software from the included CD or download the latest version from MOXA’s website.
6. Configure port parameters (baud rate, parity, stop bits, etc.) using the provided utilities or operating system settings.
7. Verify operation using the LED indicators and communication test tools.
Mounting Options:
- Standard PCI bracket for installation in desktop or rackmount PCs.
- Optional low-profile bracket may be available for compact systems (check MOXA accessory list).
Configuration:
- Software-configurable communication parameters.
- Automatic resource allocation via PCI Plug-and-Play.
- Supports up to four CP-168U cards per system for expanded port capacity.
### 7. Performance & Capabilities
Data Throughput:
- Supports serial data rates from 50 bps to 230.4 Kbps per port.
- Efficient data handling through 64-byte FIFO buffers reduces CPU utilization.
Capacity:
- Eight independent RS-232 ports per card.
- Up to four cards can be installed in one system, providing a total of 32 serial ports.
Efficiency:
- Hardware-based flow control (RTS/CTS) ensures reliable data transmission.
- FIFO buffering minimizes data loss during high-speed communication.
- LED indicators allow quick troubleshooting and monitoring.
Limitations:
- RS-232 only (no RS-422/485 support).
- Maximum baud rate limited to 230.4 Kbps.
- Operating temperature range limited to 0–55°C (not suitable for extreme environments without enclosure).
Reliability:
- Industrial-grade components ensure long-term stability.
- 16 kV ESD protection prevents damage from electrostatic discharge.
- CE and FCC compliance guarantees electromagnetic compatibility.
### 8. Standards & Compliance
Electrical and Mechanical Standards:
- Complies with PCI Local Bus Specification (32-bit Universal PCI, 3.3V/5V signaling).
- RS-232 standard (EIA/TIA-232) for serial communication.
Safety and EMC Compliance:
- CE Certified: Conforms to European safety and electromagnetic compatibility standards.
- FCC Certified: Meets U.S. Federal Communications Commission requirements for electromagnetic interference (EMI).
Environmental Compliance:
- Designed for operation within standard industrial temperature and humidity ranges.
- Built-in surge and ESD protection for enhanced durability.
Industry Standards Supported:
- UART 16C550C compatibility ensures interoperability with standard serial communication software and hardware.
- Plug-and-Play PCI resource management for automatic configuration.
### 9. Additional Information
Warranty:
- Standard MOXA limited hardware warranty (typically 3 years; confirm with manufacturer).
Technical Support:
- Comprehensive technical support available through MOXA’s global service network.
- Online resources include driver downloads, firmware updates, FAQs, and user manuals.
Maintenance:
- No regular maintenance required beyond standard system care.
- Periodic inspection of connectors and cables recommended for optimal performance.
Software & Firmware Updates:
- MOXA provides regular driver and firmware updates to ensure compatibility with new operating systems and hardware platforms.
- Updates available via MOXA’s official website.
Documentation:
- User manual and installation guide included on the software CD and available online.
- Detailed pin assignments, wiring diagrams, and configuration examples provided in technical documentation.
Support Resources:
- MOXA website: [www.moxa.com](https://www.moxa.com)
- Technical documentation, driver downloads, and product registration available online.
### Summary
The MOXA CP-168U is a robust, industrial-grade 8-port RS-232 Universal PCI communication card engineered for high-performance serial connectivity in modern and legacy systems. Its universal PCI interface ensures compatibility with both 3.3V and 5V slots, while 16550C-compatible UARTs and 64-byte FIFOs deliver efficient, reliable data handling. With 16 kV ESD protection, LED indicators, and support for up to four cards per system, the CP-168U is ideal for industrial automation, data acquisition, and multi-device communication environments.
Offering flexible connector options, broad OS support, and compliance with CE and FCC standards, the CP-168U provides a dependable, scalable solution for expanding serial communication capabilities in mission-critical applications.
End of Product Summary – MOXA CP-168U 8-Port RS-232 Universal PCI Card
### 1. Product Overview
Product Name: CP-168U
Model Number: CP-168U
Series: CP-168 Universal PCI Series
Article Number: CP-168U
Manufacturer: MOXA Inc.
Product Type: 8-Port RS-232 Universal PCI Communication Card
Description: 8-port RS-232 asynchronous Universal PCI (UPCI) card with 16550C-compatible UART, supporting data rates up to 230.4 Kbps, 16 kV ESD protection, and LED indicators for data flow.
The MOXA CP-168U is a high-performance multiport serial communication card designed for industrial and commercial applications requiring multiple RS-232 connections. It provides eight independent asynchronous serial ports on a single PCI expansion card, enabling reliable communication between PCs and serial devices such as data acquisition systems, industrial controllers, and instrumentation equipment.
### 2. Key Features
- Universal PCI Compatibility: Supports both 3.3V and 5V PCI bus slots, ensuring compatibility with a wide range of modern and legacy PC servers and workstations.
- Eight Independent RS-232 Ports: Provides eight fully independent asynchronous serial communication channels for simultaneous device connections.
- High-Speed Data Transmission: Supports baud rates from 50 bps up to 230.4 Kbps, suitable for a wide range of serial communication applications.
- 16550C-Compatible UART: Each port is equipped with a MOXA UART compatible with the industry-standard 16C550C, featuring a 64-byte FIFO for efficient data buffering and reduced CPU load.
- Embedded Surge Protection: Built-in 16 kV ESD (Electrostatic Discharge) protection ensures robust operation in electrically noisy environments and safeguards connected devices.
- LED Indicators: Integrated data flow LEDs provide real-time visual feedback of transmission and reception activity on each port.
- Flexible System Expansion: Supports installation of up to 4 boards per system, allowing a total of 32 serial ports in one host PC.
- Compact Design: Small form factor (110 x 135 mm) suitable for standard PCI slots with a 121 mm bracket.
- Comprehensive Software Support: Includes MOXA software CD with drivers and utilities for easy configuration and integration.
- Optional Connection Accessories: Multiple connector options (DB9 or DB25, male or female) available for flexible deployment.
- Industrial-Grade Reliability: Designed for continuous operation in demanding industrial and commercial environments.
### 3. Technical Specifications
Bus Interface: 32-bit Universal PCI (3.3V/5V compatible)
Number of Ports: 8 independent RS-232 asynchronous serial ports
Maximum Number of Boards per System: 4
Communication Controller: MOXA proprietary UART, 16C550C compatible
FIFO Buffer: 64-byte transmit and receive FIFO per port
Baud Rate Range: 50 bps to 230.4 Kbps
Data Bits: 5, 6, 7, or 8 bits
Stop Bits: 1, 1.5, or 2 bits
Parity Options: None, Even, Odd, Space, Mark
Signal Lines: TxD, RxD, RTS, CTS, DCD, DTR, DSR, GND
Connector Type: DB62 female connector on the card (breakout cables or boxes required for individual ports)
Surge Protection: Embedded 16 kV ESD protection on all signal lines
I/O Address and IRQ: Automatically assigned by PCI BIOS
Mechanical Dimensions:
- Width: 110 mm
- Depth: 135 mm
- Bracket Length: 121 mm (standard PCI bracket)
Weight: Approximately 150–200 g (typical for PCI communication cards)
Environmental Conditions:
- Operating Temperature: 0°C to 55°C
- Storage Temperature: -20°C to 85°C
- Relative Humidity: 5% to 95% RH (non-condensing)
Regulatory Approvals:
- CE (Conformité Européenne)
- FCC (Federal Communications Commission)
### 4. Functionality
The MOXA CP-168U functions as an interface card that expands a computer’s serial communication capabilities. Installed in a PCI slot, it provides eight RS-232 ports accessible through a DB62 connector. Each port operates independently, allowing simultaneous communication with multiple serial devices.
How It Works:
- The card interfaces with the host system via the PCI bus, using a 32-bit data path.
- Each port is managed by a dedicated UART (Universal Asynchronous Receiver/Transmitter) that handles serial data transmission and reception.
- The 64-byte FIFO buffer minimizes CPU overhead by allowing efficient data queuing.
- The card’s firmware and driver software manage communication parameters such as baud rate, parity, and stop bits.
- Data flow LEDs indicate active transmission (Tx) and reception (Rx) for quick diagnostics.
Use Cases and Applications:
- Industrial automation systems requiring multiple serial device connections
- Data acquisition and monitoring systems
- POS (Point of Sale) terminals and kiosks
- Laboratory instrumentation and test equipment
- Building management systems (BMS)
- SCADA (Supervisory Control and Data Acquisition) networks
- Legacy equipment integration in modern PCs
Compatibility:
- Compatible with PCs and servers supporting Universal PCI (3.3V/5V) slots
- Works with major operating systems (Windows, Linux, and others supported via MOXA drivers)
- Supports integration with MOXA’s serial communication utilities and SDKs
### 5. Components & Accessories
Included Items:
- MOXA CP-168U 8-Port RS-232 Universal PCI Card
- MOXA Software CD (includes drivers, utilities, and documentation)
Optional Accessories (choose one per board):
- Opt8A: 8-port DB25 female connection box (includes connection cable)
- Opt8B: 8-port DB25 male connection box (includes connection cable)
- Opt8C: 8-port DB9 male connection cable
- Opt8D: 8-port DB25 female connection cable
Connectors and Cables:
- The card features a DB62 female connector on the bracket.
- Optional breakout cables or boxes convert the DB62 interface into eight individual DB9 or DB25 connectors, depending on the selected accessory.
Indicators:
- LED indicators for each port showing data transmission and reception activity.
### 6. Installation & Setup
System Requirements:
- Available PCI or Universal PCI slot (3.3V or 5V)
- Compatible operating system with MOXA driver support
- Administrative privileges for driver installation
Installation Steps:
1. Power off the host computer and disconnect it from the power source.
2. Insert the CP-168U card into an available PCI slot, ensuring a secure fit.
3. Attach the appropriate breakout cable or connection box (Opt8A–Opt8D) to the DB62 connector.
4. Power on the system; the PCI BIOS will automatically assign I/O addresses and IRQs.
5. Install the MOXA driver software from the included CD or download the latest version from MOXA’s website.
6. Configure port parameters (baud rate, parity, stop bits, etc.) using the provided utilities or operating system settings.
7. Verify operation using the LED indicators and communication test tools.
Mounting Options:
- Standard PCI bracket for installation in desktop or rackmount PCs.
- Optional low-profile bracket may be available for compact systems (check MOXA accessory list).
Configuration:
- Software-configurable communication parameters.
- Automatic resource allocation via PCI Plug-and-Play.
- Supports up to four CP-168U cards per system for expanded port capacity.
### 7. Performance & Capabilities
Data Throughput:
- Supports serial data rates from 50 bps to 230.4 Kbps per port.
- Efficient data handling through 64-byte FIFO buffers reduces CPU utilization.
Capacity:
- Eight independent RS-232 ports per card.
- Up to four cards can be installed in one system, providing a total of 32 serial ports.
Efficiency:
- Hardware-based flow control (RTS/CTS) ensures reliable data transmission.
- FIFO buffering minimizes data loss during high-speed communication.
- LED indicators allow quick troubleshooting and monitoring.
Limitations:
- RS-232 only (no RS-422/485 support).
- Maximum baud rate limited to 230.4 Kbps.
- Operating temperature range limited to 0–55°C (not suitable for extreme environments without enclosure).
Reliability:
- Industrial-grade components ensure long-term stability.
- 16 kV ESD protection prevents damage from electrostatic discharge.
- CE and FCC compliance guarantees electromagnetic compatibility.
### 8. Standards & Compliance
Electrical and Mechanical Standards:
- Complies with PCI Local Bus Specification (32-bit Universal PCI, 3.3V/5V signaling).
- RS-232 standard (EIA/TIA-232) for serial communication.
Safety and EMC Compliance:
- CE Certified: Conforms to European safety and electromagnetic compatibility standards.
- FCC Certified: Meets U.S. Federal Communications Commission requirements for electromagnetic interference (EMI).
Environmental Compliance:
- Designed for operation within standard industrial temperature and humidity ranges.
- Built-in surge and ESD protection for enhanced durability.
Industry Standards Supported:
- UART 16C550C compatibility ensures interoperability with standard serial communication software and hardware.
- Plug-and-Play PCI resource management for automatic configuration.
### 9. Additional Information
Warranty:
- Standard MOXA limited hardware warranty (typically 3 years; confirm with manufacturer).
Technical Support:
- Comprehensive technical support available through MOXA’s global service network.
- Online resources include driver downloads, firmware updates, FAQs, and user manuals.
Maintenance:
- No regular maintenance required beyond standard system care.
- Periodic inspection of connectors and cables recommended for optimal performance.
Software & Firmware Updates:
- MOXA provides regular driver and firmware updates to ensure compatibility with new operating systems and hardware platforms.
- Updates available via MOXA’s official website.
Documentation:
- User manual and installation guide included on the software CD and available online.
- Detailed pin assignments, wiring diagrams, and configuration examples provided in technical documentation.
Support Resources:
- MOXA website: [www.moxa.com](https://www.moxa.com)
- Technical documentation, driver downloads, and product registration available online.
### Summary
The MOXA CP-168U is a robust, industrial-grade 8-port RS-232 Universal PCI communication card engineered for high-performance serial connectivity in modern and legacy systems. Its universal PCI interface ensures compatibility with both 3.3V and 5V slots, while 16550C-compatible UARTs and 64-byte FIFOs deliver efficient, reliable data handling. With 16 kV ESD protection, LED indicators, and support for up to four cards per system, the CP-168U is ideal for industrial automation, data acquisition, and multi-device communication environments.
Offering flexible connector options, broad OS support, and compliance with CE and FCC standards, the CP-168U provides a dependable, scalable solution for expanding serial communication capabilities in mission-critical applications.
End of Product Summary – MOXA CP-168U 8-Port RS-232 Universal PCI Card
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cp_168u.pdf
Manual
- Opt8A - 8-port RS232 (DCE) female DB25 box
- Opt8B - 8-port RS232 (DTE) male DB25 box
- Opt8C - 8-port RS-232 (DTE) 8*cable male DB25
- Opt8D - 8-port RS-232 (DTE) 8*cable male DB9
- Opt8J/230 - 8-Port RS-422/485 female DB25 box
- Opt8F/230 - Isolated 8-port RS422 female DB25 box
- Opt8K/230 - 8-port RS-422/485 female DB25 box with ADDC
- Opt8S - 8-port RS-232 female DB25 box
- Opt8Z/230 - 8-port RS422 female DB25 box
