The Comtrol 99344-5 RocketPort uPCI Octa DB25 is a high-performance serial port expansion card that adds eight RS-232 serial ports to a computer system through a single Universal PCI slot. Built around a dedicated 36 MHz RISC processor, this card minimizes host CPU utilization while delivering reliable data transmission up to 460.8 kbps. The card supports 32-bit and 64-bit PCI architectures operating at 3.3V or 5.0V, with no interrupt assignment required—simplifying installation and eliminating conflicts.
## Technical Specifications
**Serial Ports & Data Transfer**
• Eight RS-232 ports with DB25 male connectors
• Data transfer rate: Up to 460.8 kbps
• Baud rate range: 300 bps to 460.8 kbps
• Data bits: 7 or 8
• Parity: Odd, even, or none
• Stop bits: 1 or 2
• Ring indicator support
**Buffering & Flow Control**
• Transmit buffer: 256 bytes (16× larger than 16550 UART)
• Receive buffer: 1024 bytes (64× larger than 16550 UART)
• Hardware and software flow control
**Host Interface**
• Bus interface: Universal PCI (32-bit and 64-bit compatible)
• PCI voltage: 3.3V and 5.0V support
• Maximum configuration: Up to four RocketPort uPCI cards per system (128 total ports)
• No interrupt assignment required
**Electrical & Environmental**
• Current consumption: 294 mA @ +5VDC
• Maximum power consumption: 1.5 W
• ESD surge protection: Minimum 15 kV on serial lines
• Operating temperature: 0 to 60°C
**Physical**
• Board dimensions: 5.5″ × 3.75″ (139.7 × 95.3 mm)
• Weight: 32.0 oz (907.19 g)
• Compliance: RoHS Directive 2002/95/EC
## Key Features
• Dedicated 36 MHz RISC processor reduces CPU overhead
• Plug-and-play compatible installation
• I/O mapping capabilities eliminate memory conflicts
• Generous on-board buffers prevent data loss in high-throughput environments
• Industrial-grade ESD protection
## Typical Applications
Industrial automation, laboratory equipment integration, enterprise data collection systems, legacy device interfacing, and multi-port serial device management.
## Compatibility & Integration
Supported operating systems include Linux and Microsoft Windows (e.g., Windows 7). The card functions in both 32-bit and 64-bit PCI slots without requiring manual interrupt configuration.
