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- 4 Isolated RS-422/485 Ports: Provides four independent serial communication channels for industrial devices.
- 2 kV Optical Isolation: Protects connected equipment from electrical surges and ground loops.
- 15 kV ESD Protection: Ensures robust operation in electrically noisy environments.
- High-Speed Data Transmission: Supports baud rates from 50 bps to 921.6 Kbps, with throughput exceeding 700 Kbps for demanding applications.
- Moxa Turbo Serial Engine™: Integrates hardware-based flow control and ADDC® (Automatic Data Direction Control) for precise RS-485 communication timing.
- Universal PCI Compatibility: Works with both 3.3 V and 5 V PCI/PCI-X slots, ensuring broad system compatibility.
- Flexible Interface Support: Ports 1 and 2 can operate in RS-232, RS-422, or RS-485 modes; all ports support RS-422/485.
- Extended Communication Range: RS-485 multidrop capability supports up to 31 devices over distances up to 1.2 km.
- Comprehensive Driver Support: Compatible with Windows, Linux, Unix, DOS, and embedded OSs such as Windows CE and XP Embedded.
- Industrial-Grade Reliability: Designed for continuous operation in harsh industrial environments, with wide temperature and humidity tolerance.
- Compact Design: Fits standard PCI slots with a board size of 115 x 120 mm.
- Long-Term Support: Backed by a 5-year warranty and Moxa’s global technical support network.
- 2 kV Optical Isolation: Protects connected equipment from electrical surges and ground loops.
- 15 kV ESD Protection: Ensures robust operation in electrically noisy environments.
- High-Speed Data Transmission: Supports baud rates from 50 bps to 921.6 Kbps, with throughput exceeding 700 Kbps for demanding applications.
- Moxa Turbo Serial Engine™: Integrates hardware-based flow control and ADDC® (Automatic Data Direction Control) for precise RS-485 communication timing.
- Universal PCI Compatibility: Works with both 3.3 V and 5 V PCI/PCI-X slots, ensuring broad system compatibility.
- Flexible Interface Support: Ports 1 and 2 can operate in RS-232, RS-422, or RS-485 modes; all ports support RS-422/485.
- Extended Communication Range: RS-485 multidrop capability supports up to 31 devices over distances up to 1.2 km.
- Comprehensive Driver Support: Compatible with Windows, Linux, Unix, DOS, and embedded OSs such as Windows CE and XP Embedded.
- Industrial-Grade Reliability: Designed for continuous operation in harsh industrial environments, with wide temperature and humidity tolerance.
- Compact Design: Fits standard PCI slots with a board size of 115 x 120 mm.
- Long-Term Support: Backed by a 5-year warranty and Moxa’s global technical support network.
Comprehensive Product Summary: Moxa CP-134U-I – 4-Port Isolated Universal PCI RS-422/485 Serial Board
### 1. Product Overview
Product Name: CP-134U-I
Model: CP-134U-I
Series: CP-134U Series (includes CP-134U and CP-134U-I variants)
Article Number: CP-134U-I
Manufacturer: Moxa Inc.
Product Type: 4-Port Isolated Universal PCI Serial Communication Board
Category: Serial Expansion and Extension Solutions
The Moxa CP-134U-I is a high-performance, industrial-grade 4-port Universal PCI serial communication board designed for reliable RS-422/485 connectivity in automation and data acquisition systems. It features 2 kV optical isolation, 15 kV ESD protection, and Moxa’s Turbo Serial Engine™ for optimized data throughput and automatic data direction control (ADDC®). The board supports both 3.3 V and 5 V PCI/PCI-X buses, making it compatible with a wide range of industrial PCs and embedded systems.
### 2. Key Features
- 4 Isolated RS-422/485 Ports: Provides four independent serial communication channels for industrial devices.
- 2 kV Optical Isolation: Protects connected equipment from electrical surges and ground loops.
- 15 kV ESD Protection: Ensures robust operation in electrically noisy environments.
- High-Speed Data Transmission: Supports baud rates from 50 bps to 921.6 Kbps, with throughput exceeding 700 Kbps for demanding applications.
- Moxa Turbo Serial Engine™: Integrates hardware-based flow control and ADDC® (Automatic Data Direction Control) for precise RS-485 communication timing.
- Universal PCI Compatibility: Works with both 3.3 V and 5 V PCI/PCI-X slots, ensuring broad system compatibility.
- Flexible Interface Support: Ports 1 and 2 can operate in RS-232, RS-422, or RS-485 modes; all ports support RS-422/485.
- Extended Communication Range: RS-485 multidrop capability supports up to 31 devices over distances up to 1.2 km.
- Comprehensive Driver Support: Compatible with Windows, Linux, Unix, DOS, and embedded OSs such as Windows CE and XP Embedded.
- Industrial-Grade Reliability: Designed for continuous operation in harsh industrial environments, with wide temperature and humidity tolerance.
- Compact Design: Fits standard PCI slots with a board size of 115 x 120 mm.
- Long-Term Support: Backed by a 5-year warranty and Moxa’s global technical support network.
### 3. Technical Specifications
Hardware Controller: MU860 (16C550C compatible)
Bus Interface: 32-bit Universal PCI (3.3 V / 5 V, PCI and PCI-X compliant)
Number of Ports: 4 independent serial ports
Connector Type: DB44 female on board (via breakout cable to DB9 or DB25 male connectors)
FIFO Buffer: 128-byte FIFO per port
Isolation Protection: 2 kV optical isolation (CP-134U-I only)
ESD Protection: 15 kV on-board protection
Serial Standards Supported:
- RS-232 (Ports 1 & 2 only)
- RS-422 (Full duplex)
- RS-485 (2-wire and 4-wire modes)
Baud Rate Range: 50 bps to 921.6 Kbps
Data Bits: 5, 6, 7, 8
Stop Bits: 1, 1.5, 2
Parity Options: None, Even, Odd, Space, Mark
Flow Control: RTS/CTS (hardware), XON/XOFF (software)
I/O Address & IRQ: Assigned automatically by BIOS
Physical Dimensions:
- CP-134U: 82.5 x 120 mm (3.24 x 4.72 in)
- CP-134U-I: 115 x 120 mm (4.52 x 4.72 in)
Weight: Approx. 150 g (board only, without cable)
Power Consumption:
- CP-134U: 180 mA @ +5 V
- CP-134U-I: 850 mA @ +5 V
Environmental Limits:
- 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)
### 4. Functionality
The CP-134U-I enables PCs and embedded systems to communicate with multiple serial devices such as PLCs, sensors, meters, and controllers using RS-422 or RS-485 protocols. Each port can be configured independently for 2-wire or 4-wire RS-485 or full-duplex RS-422 operation.
Automatic Data Direction Control (ADDC®) simplifies RS-485 communication by automatically managing the transmit/receive switching, eliminating the need for manual software control. This ensures precise timing and reduces data collision risks in multi-drop networks.
Use Cases and Applications:
- Industrial automation and process control
- Building management systems (BMS)
- SCADA and telemetry systems
- Data acquisition and monitoring
- Factory equipment integration
- Long-distance serial communication networks
Compatibility:
The board supports up to four boards per PC, allowing up to 16 serial ports in a single system. It is compatible with standard PCI and PCI-X slots in both desktop and industrial-grade computers.
### 5. Components & Accessories
Included in Package:
- CP-134U-I PCI board
- One DB44-to-DB9 or DB44-to-DB25 breakout cable (50 cm)
- Documentation and Software CD (drivers and utilities)
- Quick Installation Guide (printed)
- Warranty Card
Optional Accessories:
- CBL-M44M9x4-50: DB44 male to four DB9 male connectors (50 cm)
- CBL-M44M25x4-50: DB44 male to four DB25 male connectors (50 cm)
Connector Pin Assignments:
*DB9 Male (RS-232/422/485)*
1: DCD / TxD-(A) / TxD-(A)
2: RxD / TxD+(B) / TxD+(B)
3: TxD / RxD+(B) / RxD+(B)
4: DTR / RxD-(A) / RxD-(A)
5: GND
6: DSR / RTS-(A)
7: RTS / RTS+(B)
8: CTS / CTS+(B)
9: CTS-(A)
*DB25 Male (RS-232/422/485)*
1: Shield
2: TxD / RxD+(B)
3: RxD / TxD+(B)
4: RTS / RTS+(B)
5: CTS / CTS+(B)
6: DSR / RTS-(A)
7: GND
8: DCD / TxD-(A)
20: DTR / RxD-(A)
22: CTS-(A)
### 6. Installation & Setup
System Requirements:
- Available PCI or PCI-X slot (3.3 V or 5 V)
- Supported operating system (Windows, Linux, Unix, DOS, or embedded OS)
- Administrative privileges for driver installation
Installation Steps:
1. Power off the host PC and remove the cover.
2. Insert the CP-134U-I board into an available PCI/PCI-X slot.
3. Secure the board with the mounting screw.
4. Connect the DB44 breakout cable to the board’s connector.
5. Attach serial devices to the DB9 or DB25 connectors.
6. Power on the system and install the appropriate Moxa driver from the included CD or Moxa’s website.
7. Configure port parameters (baud rate, parity, stop bits, etc.) using the provided driver utilities or OS device manager.
Configuration Options:
- Each port can be independently configured for RS-422 or RS-485 (2-wire/4-wire).
- ADDC® automatically manages RS-485 data direction.
- BIOS automatically assigns I/O addresses and IRQs.
Mounting Options:
Standard PCI slot installation; no external power required.
### 7. Performance & Capabilities
Data Throughput: Over 700 Kbps sustained throughput per port.
Maximum Baud Rate: 921.6 Kbps.
Communication Distance: Up to 1.2 km (RS-485 mode, 31 devices).
FIFO Buffer: 128 bytes per port for efficient data handling.
Flow Control: Hardware (RTS/CTS) and software (XON/XOFF).
Isolation: 2 kV optical isolation ensures signal integrity and protection.
ESD Protection: 15 kV on-board protection against electrostatic discharge.
Power Efficiency: Low power consumption (850 mA @ +5 V).
Limitations:
- RS-232 mode available only on ports 1 and 2.
- Operating temperature limited to 55°C; for higher ranges, external cooling may be required.
- Maximum of four boards per PC (16 ports total).
### 8. Standards & Compliance
Regulatory Approvals:
- EMC Compliance: EN55022, EN55024
- Harmonics and Flicker: EN61000-3-2, EN61000-3-3
- Immunity Standards: IEC61000-4-2 (ESD), IEC61000-4-3 (Radiated RF), IEC61000-4-4 (EFT), IEC61000-4-5 (Surge), IEC61000-4-6 (Conducted RF), IEC61000-4-8 (Magnetic Field), IEC61000-4-11 (Voltage Dips)
- FCC Compliance: FCC Part 15 Class B
Industry Standards:
- PCI Local Bus Specification, Revision 2.2
- RS-232, RS-422, RS-485 serial communication standards
Environmental Compliance:
- RoHS compliant (lead-free manufacturing)
### 9. Additional Information
Warranty:
- Duration: 5 years
- Coverage: Manufacturing defects, hardware failures under normal use
- Support: Global technical support via Moxa’s website and authorized distributors
Maintenance:
- Periodic inspection of connectors and cables recommended.
- Firmware and driver updates available from Moxa’s support portal.
- No user-serviceable internal components; return to authorized service center for repairs.
Software & Driver Updates:
- Drivers available for:
- Windows 2000, XP, 2003, Vista (x86/x64)
- Windows CE 5.0, XP Embedded, DOS
- Linux 2.4/2.6 kernels
- FreeBSD 4/5
- QNX 6
- Moxa provides unified driver packages and configuration utilities for simplified deployment.
Technical Support Resources:
- Online documentation and FAQs
- Driver downloads and firmware updates
- Application notes and integration guides
Ordering Information:
- CP-134U: 4-port RS-422/485 Universal PCI board (non-isolated)
- CP-134U-I: 4-port RS-422/485 Universal PCI board with 2 kV isolation
- Cables:
- CBL-M44M9x4-50 (DB44 to 4x DB9, 50 cm)
- CBL-M44M25x4-50 (DB44 to 4x DB25, 50 cm)
### Summary
The Moxa CP-134U-I is a robust, high-performance serial communication solution engineered for industrial automation and data acquisition environments. Its combination of 2 kV isolation, 15 kV ESD protection, and Turbo Serial Engine™ technology ensures reliable, high-speed data transfer across long distances and electrically harsh conditions. With support for multiple operating systems, flexible configuration options, and a 5-year warranty, the CP-134U-I delivers exceptional reliability and longevity for mission-critical serial communication applications.
### 1. Product Overview
Product Name: CP-134U-I
Model: CP-134U-I
Series: CP-134U Series (includes CP-134U and CP-134U-I variants)
Article Number: CP-134U-I
Manufacturer: Moxa Inc.
Product Type: 4-Port Isolated Universal PCI Serial Communication Board
Category: Serial Expansion and Extension Solutions
The Moxa CP-134U-I is a high-performance, industrial-grade 4-port Universal PCI serial communication board designed for reliable RS-422/485 connectivity in automation and data acquisition systems. It features 2 kV optical isolation, 15 kV ESD protection, and Moxa’s Turbo Serial Engine™ for optimized data throughput and automatic data direction control (ADDC®). The board supports both 3.3 V and 5 V PCI/PCI-X buses, making it compatible with a wide range of industrial PCs and embedded systems.
### 2. Key Features
- 4 Isolated RS-422/485 Ports: Provides four independent serial communication channels for industrial devices.
- 2 kV Optical Isolation: Protects connected equipment from electrical surges and ground loops.
- 15 kV ESD Protection: Ensures robust operation in electrically noisy environments.
- High-Speed Data Transmission: Supports baud rates from 50 bps to 921.6 Kbps, with throughput exceeding 700 Kbps for demanding applications.
- Moxa Turbo Serial Engine™: Integrates hardware-based flow control and ADDC® (Automatic Data Direction Control) for precise RS-485 communication timing.
- Universal PCI Compatibility: Works with both 3.3 V and 5 V PCI/PCI-X slots, ensuring broad system compatibility.
- Flexible Interface Support: Ports 1 and 2 can operate in RS-232, RS-422, or RS-485 modes; all ports support RS-422/485.
- Extended Communication Range: RS-485 multidrop capability supports up to 31 devices over distances up to 1.2 km.
- Comprehensive Driver Support: Compatible with Windows, Linux, Unix, DOS, and embedded OSs such as Windows CE and XP Embedded.
- Industrial-Grade Reliability: Designed for continuous operation in harsh industrial environments, with wide temperature and humidity tolerance.
- Compact Design: Fits standard PCI slots with a board size of 115 x 120 mm.
- Long-Term Support: Backed by a 5-year warranty and Moxa’s global technical support network.
### 3. Technical Specifications
Hardware Controller: MU860 (16C550C compatible)
Bus Interface: 32-bit Universal PCI (3.3 V / 5 V, PCI and PCI-X compliant)
Number of Ports: 4 independent serial ports
Connector Type: DB44 female on board (via breakout cable to DB9 or DB25 male connectors)
FIFO Buffer: 128-byte FIFO per port
Isolation Protection: 2 kV optical isolation (CP-134U-I only)
ESD Protection: 15 kV on-board protection
Serial Standards Supported:
- RS-232 (Ports 1 & 2 only)
- RS-422 (Full duplex)
- RS-485 (2-wire and 4-wire modes)
Baud Rate Range: 50 bps to 921.6 Kbps
Data Bits: 5, 6, 7, 8
Stop Bits: 1, 1.5, 2
Parity Options: None, Even, Odd, Space, Mark
Flow Control: RTS/CTS (hardware), XON/XOFF (software)
I/O Address & IRQ: Assigned automatically by BIOS
Physical Dimensions:
- CP-134U: 82.5 x 120 mm (3.24 x 4.72 in)
- CP-134U-I: 115 x 120 mm (4.52 x 4.72 in)
Weight: Approx. 150 g (board only, without cable)
Power Consumption:
- CP-134U: 180 mA @ +5 V
- CP-134U-I: 850 mA @ +5 V
Environmental Limits:
- 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)
### 4. Functionality
The CP-134U-I enables PCs and embedded systems to communicate with multiple serial devices such as PLCs, sensors, meters, and controllers using RS-422 or RS-485 protocols. Each port can be configured independently for 2-wire or 4-wire RS-485 or full-duplex RS-422 operation.
Automatic Data Direction Control (ADDC®) simplifies RS-485 communication by automatically managing the transmit/receive switching, eliminating the need for manual software control. This ensures precise timing and reduces data collision risks in multi-drop networks.
Use Cases and Applications:
- Industrial automation and process control
- Building management systems (BMS)
- SCADA and telemetry systems
- Data acquisition and monitoring
- Factory equipment integration
- Long-distance serial communication networks
Compatibility:
The board supports up to four boards per PC, allowing up to 16 serial ports in a single system. It is compatible with standard PCI and PCI-X slots in both desktop and industrial-grade computers.
### 5. Components & Accessories
Included in Package:
- CP-134U-I PCI board
- One DB44-to-DB9 or DB44-to-DB25 breakout cable (50 cm)
- Documentation and Software CD (drivers and utilities)
- Quick Installation Guide (printed)
- Warranty Card
Optional Accessories:
- CBL-M44M9x4-50: DB44 male to four DB9 male connectors (50 cm)
- CBL-M44M25x4-50: DB44 male to four DB25 male connectors (50 cm)
Connector Pin Assignments:
*DB9 Male (RS-232/422/485)*
1: DCD / TxD-(A) / TxD-(A)
2: RxD / TxD+(B) / TxD+(B)
3: TxD / RxD+(B) / RxD+(B)
4: DTR / RxD-(A) / RxD-(A)
5: GND
6: DSR / RTS-(A)
7: RTS / RTS+(B)
8: CTS / CTS+(B)
9: CTS-(A)
*DB25 Male (RS-232/422/485)*
1: Shield
2: TxD / RxD+(B)
3: RxD / TxD+(B)
4: RTS / RTS+(B)
5: CTS / CTS+(B)
6: DSR / RTS-(A)
7: GND
8: DCD / TxD-(A)
20: DTR / RxD-(A)
22: CTS-(A)
### 6. Installation & Setup
System Requirements:
- Available PCI or PCI-X slot (3.3 V or 5 V)
- Supported operating system (Windows, Linux, Unix, DOS, or embedded OS)
- Administrative privileges for driver installation
Installation Steps:
1. Power off the host PC and remove the cover.
2. Insert the CP-134U-I board into an available PCI/PCI-X slot.
3. Secure the board with the mounting screw.
4. Connect the DB44 breakout cable to the board’s connector.
5. Attach serial devices to the DB9 or DB25 connectors.
6. Power on the system and install the appropriate Moxa driver from the included CD or Moxa’s website.
7. Configure port parameters (baud rate, parity, stop bits, etc.) using the provided driver utilities or OS device manager.
Configuration Options:
- Each port can be independently configured for RS-422 or RS-485 (2-wire/4-wire).
- ADDC® automatically manages RS-485 data direction.
- BIOS automatically assigns I/O addresses and IRQs.
Mounting Options:
Standard PCI slot installation; no external power required.
### 7. Performance & Capabilities
Data Throughput: Over 700 Kbps sustained throughput per port.
Maximum Baud Rate: 921.6 Kbps.
Communication Distance: Up to 1.2 km (RS-485 mode, 31 devices).
FIFO Buffer: 128 bytes per port for efficient data handling.
Flow Control: Hardware (RTS/CTS) and software (XON/XOFF).
Isolation: 2 kV optical isolation ensures signal integrity and protection.
ESD Protection: 15 kV on-board protection against electrostatic discharge.
Power Efficiency: Low power consumption (850 mA @ +5 V).
Limitations:
- RS-232 mode available only on ports 1 and 2.
- Operating temperature limited to 55°C; for higher ranges, external cooling may be required.
- Maximum of four boards per PC (16 ports total).
### 8. Standards & Compliance
Regulatory Approvals:
- EMC Compliance: EN55022, EN55024
- Harmonics and Flicker: EN61000-3-2, EN61000-3-3
- Immunity Standards: IEC61000-4-2 (ESD), IEC61000-4-3 (Radiated RF), IEC61000-4-4 (EFT), IEC61000-4-5 (Surge), IEC61000-4-6 (Conducted RF), IEC61000-4-8 (Magnetic Field), IEC61000-4-11 (Voltage Dips)
- FCC Compliance: FCC Part 15 Class B
Industry Standards:
- PCI Local Bus Specification, Revision 2.2
- RS-232, RS-422, RS-485 serial communication standards
Environmental Compliance:
- RoHS compliant (lead-free manufacturing)
### 9. Additional Information
Warranty:
- Duration: 5 years
- Coverage: Manufacturing defects, hardware failures under normal use
- Support: Global technical support via Moxa’s website and authorized distributors
Maintenance:
- Periodic inspection of connectors and cables recommended.
- Firmware and driver updates available from Moxa’s support portal.
- No user-serviceable internal components; return to authorized service center for repairs.
Software & Driver Updates:
- Drivers available for:
- Windows 2000, XP, 2003, Vista (x86/x64)
- Windows CE 5.0, XP Embedded, DOS
- Linux 2.4/2.6 kernels
- FreeBSD 4/5
- QNX 6
- Moxa provides unified driver packages and configuration utilities for simplified deployment.
Technical Support Resources:
- Online documentation and FAQs
- Driver downloads and firmware updates
- Application notes and integration guides
Ordering Information:
- CP-134U: 4-port RS-422/485 Universal PCI board (non-isolated)
- CP-134U-I: 4-port RS-422/485 Universal PCI board with 2 kV isolation
- Cables:
- CBL-M44M9x4-50 (DB44 to 4x DB9, 50 cm)
- CBL-M44M25x4-50 (DB44 to 4x DB25, 50 cm)
### Summary
The Moxa CP-134U-I is a robust, high-performance serial communication solution engineered for industrial automation and data acquisition environments. Its combination of 2 kV isolation, 15 kV ESD protection, and Turbo Serial Engine™ technology ensures reliable, high-speed data transfer across long distances and electrically harsh conditions. With support for multiple operating systems, flexible configuration options, and a 5-year warranty, the CP-134U-I delivers exceptional reliability and longevity for mission-critical serial communication applications.
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