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- Eight Independent RS-232 Ports: Provides eight fully functional asynchronous serial ports for simultaneous communication with multiple devices.
- High-Speed Data Transmission: Supports baud rates from 50 bps to 921.6 kbps, ensuring compatibility with both legacy and modern serial devices.
- Onboard RISC CPU: Equipped with a Texas Instruments TMS320C203 RISC processor for intelligent data handling and reduced host CPU load.
- Large Memory Architecture: Includes 512 KB onboard RAM and 64 KB dual-ported RAM for efficient buffering and data management.
- FIFO Buffers: Each port features a TI550C UART with a 32-byte FIFO buffer, minimizing data loss and improving throughput under heavy load.
- Flexible Interrupt Configuration: Supports one shared interrupt selectable from IRQ2–5, 7, 10–12, or 15, simplifying system integration and resource allocation.
- Driver Support: Includes drivers and utilities for DOS, Windows 95/98/NT, and SCO Unix/Unix SVR4.2. Linux drivers are available upon request.
- No Jumper Configuration: Fully software-configurable design eliminates the need for manual jumper settings, simplifying installation and maintenance.
- Compact Form Factor: ISA card dimensions of 170 mm × 107 mm allow easy integration into standard PC chassis.
- Connector Type: DB62 female connector for external serial port breakout.
- Multi-User Capability: Supports up to 32 concurrent users in multi-terminal environments.
- High-Speed Data Transmission: Supports baud rates from 50 bps to 921.6 kbps, ensuring compatibility with both legacy and modern serial devices.
- Onboard RISC CPU: Equipped with a Texas Instruments TMS320C203 RISC processor for intelligent data handling and reduced host CPU load.
- Large Memory Architecture: Includes 512 KB onboard RAM and 64 KB dual-ported RAM for efficient buffering and data management.
- FIFO Buffers: Each port features a TI550C UART with a 32-byte FIFO buffer, minimizing data loss and improving throughput under heavy load.
- Flexible Interrupt Configuration: Supports one shared interrupt selectable from IRQ2–5, 7, 10–12, or 15, simplifying system integration and resource allocation.
- Driver Support: Includes drivers and utilities for DOS, Windows 95/98/NT, and SCO Unix/Unix SVR4.2. Linux drivers are available upon request.
- No Jumper Configuration: Fully software-configurable design eliminates the need for manual jumper settings, simplifying installation and maintenance.
- Compact Form Factor: ISA card dimensions of 170 mm × 107 mm allow easy integration into standard PC chassis.
- Connector Type: DB62 female connector for external serial port breakout.
- Multi-User Capability: Supports up to 32 concurrent users in multi-terminal environments.
1. Product Overview
Product Name: Intelligent 8-Port RS232 ISA Card
Model: C218T
Series: C200 Series (Industrial Multiport Serial Communication Cards)
Article Number: C218T
Manufacturer: Moxa Technologies Co., Ltd.
The Moxa C218T is an intelligent, high-performance 8-port RS-232 serial communication card designed for ISA bus systems. It integrates advanced RISC-based processing, large onboard memory, and flexible interrupt management to deliver reliable, high-speed serial connectivity for industrial and commercial applications. The card supports data rates from 50 bps up to 921.6 kbps, making it suitable for demanding multi-user or multi-device environments.
2. Key Features
- Eight Independent RS-232 Ports: Provides eight fully functional asynchronous serial ports for simultaneous communication with multiple devices.
- High-Speed Data Transmission: Supports baud rates from 50 bps to 921.6 kbps, ensuring compatibility with both legacy and modern serial devices.
- Onboard RISC CPU: Equipped with a Texas Instruments TMS320C203 RISC processor for intelligent data handling and reduced host CPU load.
- Large Memory Architecture: Includes 512 KB onboard RAM and 64 KB dual-ported RAM for efficient buffering and data management.
- FIFO Buffers: Each port features a TI550C UART with a 32-byte FIFO buffer, minimizing data loss and improving throughput under heavy load.
- Flexible Interrupt Configuration: Supports one shared interrupt selectable from IRQ2–5, 7, 10–12, or 15, simplifying system integration and resource allocation.
- Driver Support: Includes drivers and utilities for DOS, Windows 95/98/NT, and SCO Unix/Unix SVR4.2. Linux drivers are available upon request.
- No Jumper Configuration: Fully software-configurable design eliminates the need for manual jumper settings, simplifying installation and maintenance.
- Compact Form Factor: ISA card dimensions of 170 mm × 107 mm allow easy integration into standard PC chassis.
- Connector Type: DB62 female connector for external serial port breakout.
- Multi-User Capability: Supports up to 32 concurrent users in multi-terminal environments.
3. Technical Specifications
- Bus Interface: ISA (Industry Standard Architecture)
- Number of Ports: 8 independent RS-232 serial ports
- Communication Controller: TI TMS320C203 RISC CPU
- UART Type: 8 × TI550C UARTs, each with 32-byte FIFO
- Memory:
- 512 KB onboard RAM
- 64 KB dual-ported RAM for host communication
- Baud Rate Range: 50 bps to 921.6 kbps (configurable per port)
- Interrupts: Selectable IRQ2, IRQ3, IRQ4, IRQ5, IRQ7, IRQ10, IRQ11, IRQ12, or IRQ15 (single shared interrupt)
- Connector: DB62 female connector (supports breakout cable to 8 × DB9 or DB25 connectors, depending on configuration)
- Dimensions: 170 mm (L) × 107 mm (H)
- Weight: Approximately 200–250 g (typical for ISA card of this size)
- Operating Voltage: +5 VDC (supplied via ISA bus)
- Power Consumption: Approx. 1.5–2.0 W (typical)
- Operating Temperature: 0°C to 55°C (standard operating range)
- Storage Temperature: -20°C to 85°C
- Humidity: 5% to 95% RH, non-condensing
- Material: Multi-layer PCB with gold-plated edge connector and industrial-grade components
4. Functionality
The Moxa C218T functions as an intelligent multiport serial communication controller for ISA-based computer systems. Its onboard RISC CPU offloads serial communication tasks from the host processor, managing data flow, buffering, and protocol handling internally. This architecture enhances system performance, particularly in multi-user or high-throughput environments.
Each of the eight RS-232 ports can operate independently, supporting asynchronous communication with a wide range of serial devices such as terminals, modems, barcode scanners, PLCs, and industrial controllers. The card’s intelligent design allows simultaneous data transmission and reception across all ports without overloading the host CPU.
Typical Use Cases:
- Industrial automation systems requiring multiple serial device connections
- Point-of-sale (POS) systems with multiple terminals
- Data acquisition and control systems
- Communication servers and multi-user environments
- Legacy system integration where ISA bus and RS-232 interfaces are still in use
Compatibility:
- Compatible with standard ISA bus PCs and industrial computers
- Supported operating systems: DOS, Windows 95/98/NT, SCO Unix, Unix SVR4.2
- Linux driver support available upon request
5. Components & Accessories
Included Items:
- Moxa C218T ISA card
- Driver diskette or CD containing software drivers and utilities for supported operating systems
- User manual with installation and configuration instructions
Optional Accessories:
- DB62-to-8×DB9 or DB62-to-8×DB25 breakout cable assemblies (for connecting external serial devices)
- Rack-mount or panel-mount breakout boxes for organized cable management
- Linux driver package (available upon request from Moxa support)
Connectors:
- Onboard DB62 female connector (high-density D-sub type)
- External breakout cable provides eight standard RS-232 connectors (DB9 or DB25, depending on model)
6. Installation & Setup
System Requirements:
- Available ISA slot (16-bit) in host computer
- Compatible operating system (DOS, Windows 95/98/NT, SCO Unix, Unix SVR4.2, or Linux)
- Appropriate driver software installed
Installation Steps:
1. Power off the host computer and remove the cover.
2. Insert the C218T card into an available ISA slot, ensuring proper alignment and secure seating.
3. Connect the DB62 breakout cable to the card’s external connector.
4. Attach serial devices to the breakout cable’s DB9/DB25 connectors.
5. Power on the system and install the appropriate driver software.
6. Configure port parameters (baud rate, parity, stop bits, flow control) using the provided utilities or operating system tools.
Configuration:
- Fully software-configurable; no jumpers or DIP switches required.
- IRQ selection and I/O address assignment handled via driver configuration utility.
- Supports shared interrupt operation for simplified resource management.
Mounting Options:
- Standard internal ISA slot installation
- Optional external breakout box for organized cable routing
7. Performance & Capabilities
The C218T delivers robust serial communication performance through its intelligent architecture and hardware buffering. The onboard TMS320C203 RISC CPU manages data flow independently, allowing the host system to focus on application-level tasks.
Performance Highlights:
- Data Rate: Up to 921.6 kbps per port, supporting high-speed serial communication.
- Throughput: Capable of handling simultaneous full-duplex communication across all eight ports.
- Buffering: 32-byte FIFO per port minimizes data loss during high-speed transfers.
- Multi-User Support: Up to 32 concurrent users can access the serial ports in multi-terminal environments.
- Latency: Low interrupt latency due to intelligent buffering and shared IRQ design.
- Efficiency: Offloading communication tasks to the onboard CPU reduces host CPU utilization, improving overall system responsiveness.
Limitations:
- ISA bus interface limits compatibility with modern PCI/PCIe systems (intended for legacy or industrial systems).
- RS-232 only (no RS-422/485 support on this model).
- Maximum of 8 ports per card; expansion requires additional cards and available ISA slots.
8. Standards & Compliance
Electrical & Interface Standards:
- Complies with EIA/TIA-232-F (RS-232) serial communication standard
- ISA bus interface compliant with PC/AT specifications
Regulatory Compliance:
- CE certified (Electromagnetic Compatibility)
- FCC Class A compliant (for industrial and commercial environments)
- RoHS compliant (lead-free manufacturing, depending on production batch)
Industry Standards:
- Compatible with standard serial communication protocols and terminal emulation software
- Designed for industrial-grade reliability and long-term operation
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 2–5 years, depending on region and distributor) covering defects in materials and workmanship.
Technical Support:
- Comprehensive technical support available via Moxa’s global support network.
- Online resources include driver downloads, FAQs, and configuration guides.
Maintenance:
- No regular maintenance required beyond standard dust removal and connector inspection.
- Firmware and driver updates available from Moxa’s website or upon request.
Software Updates:
- Periodic driver updates for supported operating systems.
- Linux driver support maintained upon request for specific kernel versions.
Product Lifecycle:
- Designed for long-term availability in industrial and embedded applications.
- Backward-compatible with earlier Moxa multiport serial card models.
Summary
The Moxa C218T Intelligent 8-Port RS-232 ISA Card is a robust, high-performance communication interface designed for industrial and legacy computing environments requiring multiple serial connections. With its onboard TMS320C203 RISC CPU, large memory capacity, and intelligent buffering, it provides efficient, reliable, and high-speed serial communication across eight independent ports. Its software-configurable design, broad OS support, and flexible interrupt management make it an ideal solution for multi-user systems, industrial automation, and data acquisition applications where stability and performance are critical.
Key Technical Highlights:
- 8 × RS-232 ports, 50–921.6 kbps
- TMS320C203 RISC CPU
- 512 KB RAM + 64 KB dual-ported RAM
- 8 × TI550C UARTs with 32-byte FIFO
- Shared IRQ (IRQ2–5/7/10–12/15)
- DB62 female connector
- Dimensions: 170 × 107 mm
- Drivers for DOS, Windows 95/98/NT, SCO Unix, Unix SVR4.2, Linux (on request)
- No jumper configuration, software setup only
- Supports up to 32 users
This combination of intelligent processing, flexible configuration, and industrial reliability makes the C218T a proven solution for multiport serial communication in demanding environments.
Product Name: Intelligent 8-Port RS232 ISA Card
Model: C218T
Series: C200 Series (Industrial Multiport Serial Communication Cards)
Article Number: C218T
Manufacturer: Moxa Technologies Co., Ltd.
The Moxa C218T is an intelligent, high-performance 8-port RS-232 serial communication card designed for ISA bus systems. It integrates advanced RISC-based processing, large onboard memory, and flexible interrupt management to deliver reliable, high-speed serial connectivity for industrial and commercial applications. The card supports data rates from 50 bps up to 921.6 kbps, making it suitable for demanding multi-user or multi-device environments.
2. Key Features
- Eight Independent RS-232 Ports: Provides eight fully functional asynchronous serial ports for simultaneous communication with multiple devices.
- High-Speed Data Transmission: Supports baud rates from 50 bps to 921.6 kbps, ensuring compatibility with both legacy and modern serial devices.
- Onboard RISC CPU: Equipped with a Texas Instruments TMS320C203 RISC processor for intelligent data handling and reduced host CPU load.
- Large Memory Architecture: Includes 512 KB onboard RAM and 64 KB dual-ported RAM for efficient buffering and data management.
- FIFO Buffers: Each port features a TI550C UART with a 32-byte FIFO buffer, minimizing data loss and improving throughput under heavy load.
- Flexible Interrupt Configuration: Supports one shared interrupt selectable from IRQ2–5, 7, 10–12, or 15, simplifying system integration and resource allocation.
- Driver Support: Includes drivers and utilities for DOS, Windows 95/98/NT, and SCO Unix/Unix SVR4.2. Linux drivers are available upon request.
- No Jumper Configuration: Fully software-configurable design eliminates the need for manual jumper settings, simplifying installation and maintenance.
- Compact Form Factor: ISA card dimensions of 170 mm × 107 mm allow easy integration into standard PC chassis.
- Connector Type: DB62 female connector for external serial port breakout.
- Multi-User Capability: Supports up to 32 concurrent users in multi-terminal environments.
3. Technical Specifications
- Bus Interface: ISA (Industry Standard Architecture)
- Number of Ports: 8 independent RS-232 serial ports
- Communication Controller: TI TMS320C203 RISC CPU
- UART Type: 8 × TI550C UARTs, each with 32-byte FIFO
- Memory:
- 512 KB onboard RAM
- 64 KB dual-ported RAM for host communication
- Baud Rate Range: 50 bps to 921.6 kbps (configurable per port)
- Interrupts: Selectable IRQ2, IRQ3, IRQ4, IRQ5, IRQ7, IRQ10, IRQ11, IRQ12, or IRQ15 (single shared interrupt)
- Connector: DB62 female connector (supports breakout cable to 8 × DB9 or DB25 connectors, depending on configuration)
- Dimensions: 170 mm (L) × 107 mm (H)
- Weight: Approximately 200–250 g (typical for ISA card of this size)
- Operating Voltage: +5 VDC (supplied via ISA bus)
- Power Consumption: Approx. 1.5–2.0 W (typical)
- Operating Temperature: 0°C to 55°C (standard operating range)
- Storage Temperature: -20°C to 85°C
- Humidity: 5% to 95% RH, non-condensing
- Material: Multi-layer PCB with gold-plated edge connector and industrial-grade components
4. Functionality
The Moxa C218T functions as an intelligent multiport serial communication controller for ISA-based computer systems. Its onboard RISC CPU offloads serial communication tasks from the host processor, managing data flow, buffering, and protocol handling internally. This architecture enhances system performance, particularly in multi-user or high-throughput environments.
Each of the eight RS-232 ports can operate independently, supporting asynchronous communication with a wide range of serial devices such as terminals, modems, barcode scanners, PLCs, and industrial controllers. The card’s intelligent design allows simultaneous data transmission and reception across all ports without overloading the host CPU.
Typical Use Cases:
- Industrial automation systems requiring multiple serial device connections
- Point-of-sale (POS) systems with multiple terminals
- Data acquisition and control systems
- Communication servers and multi-user environments
- Legacy system integration where ISA bus and RS-232 interfaces are still in use
Compatibility:
- Compatible with standard ISA bus PCs and industrial computers
- Supported operating systems: DOS, Windows 95/98/NT, SCO Unix, Unix SVR4.2
- Linux driver support available upon request
5. Components & Accessories
Included Items:
- Moxa C218T ISA card
- Driver diskette or CD containing software drivers and utilities for supported operating systems
- User manual with installation and configuration instructions
Optional Accessories:
- DB62-to-8×DB9 or DB62-to-8×DB25 breakout cable assemblies (for connecting external serial devices)
- Rack-mount or panel-mount breakout boxes for organized cable management
- Linux driver package (available upon request from Moxa support)
Connectors:
- Onboard DB62 female connector (high-density D-sub type)
- External breakout cable provides eight standard RS-232 connectors (DB9 or DB25, depending on model)
6. Installation & Setup
System Requirements:
- Available ISA slot (16-bit) in host computer
- Compatible operating system (DOS, Windows 95/98/NT, SCO Unix, Unix SVR4.2, or Linux)
- Appropriate driver software installed
Installation Steps:
1. Power off the host computer and remove the cover.
2. Insert the C218T card into an available ISA slot, ensuring proper alignment and secure seating.
3. Connect the DB62 breakout cable to the card’s external connector.
4. Attach serial devices to the breakout cable’s DB9/DB25 connectors.
5. Power on the system and install the appropriate driver software.
6. Configure port parameters (baud rate, parity, stop bits, flow control) using the provided utilities or operating system tools.
Configuration:
- Fully software-configurable; no jumpers or DIP switches required.
- IRQ selection and I/O address assignment handled via driver configuration utility.
- Supports shared interrupt operation for simplified resource management.
Mounting Options:
- Standard internal ISA slot installation
- Optional external breakout box for organized cable routing
7. Performance & Capabilities
The C218T delivers robust serial communication performance through its intelligent architecture and hardware buffering. The onboard TMS320C203 RISC CPU manages data flow independently, allowing the host system to focus on application-level tasks.
Performance Highlights:
- Data Rate: Up to 921.6 kbps per port, supporting high-speed serial communication.
- Throughput: Capable of handling simultaneous full-duplex communication across all eight ports.
- Buffering: 32-byte FIFO per port minimizes data loss during high-speed transfers.
- Multi-User Support: Up to 32 concurrent users can access the serial ports in multi-terminal environments.
- Latency: Low interrupt latency due to intelligent buffering and shared IRQ design.
- Efficiency: Offloading communication tasks to the onboard CPU reduces host CPU utilization, improving overall system responsiveness.
Limitations:
- ISA bus interface limits compatibility with modern PCI/PCIe systems (intended for legacy or industrial systems).
- RS-232 only (no RS-422/485 support on this model).
- Maximum of 8 ports per card; expansion requires additional cards and available ISA slots.
8. Standards & Compliance
Electrical & Interface Standards:
- Complies with EIA/TIA-232-F (RS-232) serial communication standard
- ISA bus interface compliant with PC/AT specifications
Regulatory Compliance:
- CE certified (Electromagnetic Compatibility)
- FCC Class A compliant (for industrial and commercial environments)
- RoHS compliant (lead-free manufacturing, depending on production batch)
Industry Standards:
- Compatible with standard serial communication protocols and terminal emulation software
- Designed for industrial-grade reliability and long-term operation
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 2–5 years, depending on region and distributor) covering defects in materials and workmanship.
Technical Support:
- Comprehensive technical support available via Moxa’s global support network.
- Online resources include driver downloads, FAQs, and configuration guides.
Maintenance:
- No regular maintenance required beyond standard dust removal and connector inspection.
- Firmware and driver updates available from Moxa’s website or upon request.
Software Updates:
- Periodic driver updates for supported operating systems.
- Linux driver support maintained upon request for specific kernel versions.
Product Lifecycle:
- Designed for long-term availability in industrial and embedded applications.
- Backward-compatible with earlier Moxa multiport serial card models.
Summary
The Moxa C218T Intelligent 8-Port RS-232 ISA Card is a robust, high-performance communication interface designed for industrial and legacy computing environments requiring multiple serial connections. With its onboard TMS320C203 RISC CPU, large memory capacity, and intelligent buffering, it provides efficient, reliable, and high-speed serial communication across eight independent ports. Its software-configurable design, broad OS support, and flexible interrupt management make it an ideal solution for multi-user systems, industrial automation, and data acquisition applications where stability and performance are critical.
Key Technical Highlights:
- 8 × RS-232 ports, 50–921.6 kbps
- TMS320C203 RISC CPU
- 512 KB RAM + 64 KB dual-ported RAM
- 8 × TI550C UARTs with 32-byte FIFO
- Shared IRQ (IRQ2–5/7/10–12/15)
- DB62 female connector
- Dimensions: 170 × 107 mm
- Drivers for DOS, Windows 95/98/NT, SCO Unix, Unix SVR4.2, Linux (on request)
- No jumper configuration, software setup only
- Supports up to 32 users
This combination of intelligent processing, flexible configuration, and industrial reliability makes the C218T a proven solution for multiport serial communication in demanding environments.
Keine Manuals/Kataloge verfügbar.
- 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
