Comprehensive Product Summary – Rayon UP1216I Universal PCI Intelligent Serial Communication Card

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### 1. Product Overview

Product Name: UP1216I Universal PCIPORT Card
Model: UP1216I
Series: UPCI Intelligent Serial Solution
Article Number: UP1216I
Manufacturer: Rayon Technology Co., Ltd.
Manufacturer Address: 2F, No. 177, Chung Shan 2 Rd., Lu Chou City, Taipei Hsien, Taiwan
Contact: Tel: +886-2-82858362 | Fax: +886-2-82857065
Email: rayon@ms1.hinet.net
Websites: [www.rayontech.com](http://www.rayontech.com), [www.computex.com.tw/rayon](http://www.computex.com.tw/rayon)

The UP1216I is a high-performance, ground-isolated intelligent serial communication card designed for industrial and multi-user computing environments. It integrates 8 isolated RS232 ports and 8 isolated RS422/RS485 ports into a single PCI slot, providing a total of 16 serial channels with full electrical isolation. The card is part of Rayon’s UPCI intelligent serial solution family and is engineered for robust, high-speed, and flexible serial communication across multiple operating systems.

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### 2. Key Features

- Dual Interface Support: 8 ground-isolated RS232 ports and 8 ground-isolated RS422/RS485 ports in one PCI slot.
- Universal PCI Compatibility: Supports both 3.3V and 5V 33MHz PCI bus slots, ensuring compatibility with modern and legacy systems.
- Single IRQ Operation: All 16 ports share a single IRQ, optimizing system resource allocation.
- Intelligent Architecture: Built on the P640NU intelligent multi-port card platform with optional IF108 and IF208 connector boxes.
- Flexible Memory Mapping: Supports both memory-mapped (2×4KB) and I/O-mapped (256B + 64B) configurations, selectable via PCI BIOS.
- High-Speed Communication: Configurable baud rates from 110 to 115,200 bps, with UNIX compatibility mappings for 50/75/150/200 bps equivalents.
- Full Isolation: Each port is galvanically isolated to prevent ground loops and electrical interference.
- Comprehensive OS Support: Compatible with DOS, Windows 95/98/Me/NT/2000/XP/Vista/7, Linux, and SCO OpenServer.
- Hardware Handshaking: Supports both RTS/CTS (hardware) and XON/XOFF (software) flow control.
- Industrial Durability: Designed for continuous operation in industrial environments with wide temperature and humidity tolerance.
- Upgradeable Platform: The P640NU card can be upgraded to PCIIOP series cards with local processors (e.g., P990F with Intel 80960JF or IOP3927F with 133MHz MIPS CPU).

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### 3. Technical Specifications

System Structure:
- P640NU intelligent multi-port PCI card
- IF108 connector box (8× RS232 isolated ports)
- IF208 connector box (8× RS422/RS485 isolated ports)
- A640 interconnect cable (0.7 m length)

Bus Interface:
- PCI 2.2 compliant, 33MHz
- 3.3V and 5V signaling support
- Maximum of 2 cards per system

Memory and I/O Mapping:
- Memory Map Mode:
- 128 bytes for PCI controller
- Two 4KB blocks for UART controllers
- I/O Map Mode:
- 128 bytes for PCI controller
- 256 bytes for UART controller
- 64 bytes for status registers
- Interrupts: Single IRQ assigned by PCI BIOS

Port Configuration:
- 8× RS232 (IF108 box)
- 8× RS422/RS485 (IF208 box)
- Each RS422/RS485 port selectable via DIP switch

Baud Rate:
- 110 to 115,200 bps (standard)
- UNIX mapping: 50bps → 57,600bps, 75bps → 76,800bps, 150bps → 115,200bps

Flow Control:
- Software: XON/XOFF
- Hardware: RTS/CTS

Connectors:
- IF108: DB9 male (RS232)
- IF208: DB9 male (RS422/RS485)

Physical Dimensions:
- Card: 5.0 × 3.4 inches (127 × 86 mm)
- Cable: A640, 0.7 m length

Environmental Conditions:
- Operating Temperature: 5°C to 40°C
- Storage Temperature: 0°C to 65°C
- Operating Humidity: 10%–90% RH (non-condensing)
- Storage Humidity: 5%–90% RH

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### 4. Functionality

The UP1216I functions as a universal intelligent serial communication interface for PCs and industrial systems. It provides isolated serial channels for data acquisition, control, and communication with external devices such as PLCs, sensors, modems, and industrial controllers.

Operation:
- The card interfaces with the host system via the PCI bus, using either memory-mapped or I/O-mapped addressing.
- Each port is managed by an intelligent UART controller, ensuring efficient data buffering and minimal CPU load.
- The isolation circuitry prevents ground potential differences and electrical noise from affecting communication reliability.
- DIP switches on the IF208 box allow per-port configuration between RS422 and RS485 modes.

Applications:
- Industrial automation and process control
- Multi-user terminal systems
- Data acquisition and monitoring
- SCADA and telemetry systems
- Serial device networking and integration

Compatibility:
- Fully compatible with standard serial communication protocols (RS232, RS422, RS485).
- Supports both point-to-point and multi-drop network topologies.
- Works with legacy and modern operating systems, including Linux kernel 2.2–2.6 and Windows 7.

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### 5. Components & Accessories

Included Components:
- 1× P640NU PCI intelligent card
- 1× IF108 RS232 isolated connector box (8 ports)
- 1× IF208 RS422/RS485 isolated connector box (8 ports)
- 1× A640 interconnect cable (0.7 m)

Optional Accessories:
- Additional IF108 or IF208 boxes for expansion
- Daisy-chain brackets for multi-box configurations (up to 8 boxes)
- PCIIOP upgrade cards (P990F, IOP3927F) for enhanced processing
- R801/R804 cables for DB25/DB9 connectivity
- RS4232-8 isolation boxes for extended RS422/RS485 applications

Connectors:
- DB9 male connectors on all ports
- 37-pin D-type connectors for box interconnection

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### 6. Installation & Setup

System Requirements:
- IBM PC/AT or compatible system
- Available PCI slot (3.3V or 5V, 33MHz)
- Supported OS: DOS, Windows 95/98/NT/2000/XP/Vista/7, Linux, SCO OpenServer

Installation Steps:
1. Power off the system and insert the UP1216I card into an available PCI slot.
2. Connect the IF108 and IF208 boxes using the A640 cable.
3. Secure the boxes using the provided brackets (for multi-box setups).
4. Power on the system; the PCI BIOS will assign resources automatically.
5. Install the appropriate driver for your operating system:
- Windows: Use the provided INF files (A:\WIN2000 for Win2000/XP/Vista/7).
- Linux: Extract and compile the source driver from the provided diskette (`/etc/rayon/Install`).
- SCO UNIX: Use `/etc/custom` or `tar` installation methods.
6. Configure COM port numbering and verify installation using system device manager or `dmesg` (Linux).

Configuration:
- DIP switches on IF208 select RS422 or RS485 mode per port.
- COM port numbering can be adjusted via driver setup utilities.
- IRQ and memory mapping are automatically managed by PCI BIOS.

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### 7. Performance & Capabilities

Data Throughput:
- Up to 115,200 bps per port
- Full-duplex communication on all channels

Capacity:
- 16 isolated serial ports per card (8× RS232 + 8× RS422/RS485)
- Up to 2 cards per system (32 total ports)

Efficiency:
- Single IRQ for all ports reduces CPU overhead.
- Intelligent UART buffering minimizes data loss under heavy load.
- Ground isolation ensures stable operation in electrically noisy environments.

Limitations:
- Maximum of two UP1216I cards per system due to IRQ sharing constraints.
- RS485 mode requires proper termination and biasing for long-distance communication.

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### 8. Standards & Compliance

Electrical and Interface Standards:
- RS232C (EIA/TIA-232)
- RS422 (EIA/TIA-422)
- RS485 (EIA/TIA-485)
- PCI Local Bus Specification 2.2

Software and Driver Compliance:
- Microsoft Windows Hardware Compatibility (Win95–Win7)
- Linux kernel 2.2–2.6 source-level driver support
- SCO OpenServer 5.0.x compatibility

Safety and Environmental:
- Ground isolation per port to prevent electrical interference
- Designed for industrial temperature and humidity ranges

Certifications:
- CE and FCC Class A (industrial environment) compliance (implied by industrial design)

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### 9. Additional Information

Warranty:
- 1-year limited warranty covering defects in materials and workmanship.
- Excludes damage from misuse, unauthorized servicing, or electrical faults.

Support & Maintenance:
- Technical support via email (rayon@ms1.hinet.net).
- RMA (Return Material Authorization) required for repairs.
- Firmware and driver updates available from Rayon’s website.

Repair Policy:
- Warranty repairs free of charge for verified defects.
- Out-of-warranty repairs available at a flat-rate service fee.
- Users advised to verify software configuration before returning hardware.

Upgrade Path:
- The P640NU base card can be upgraded to PCIIOP series intelligent cards with onboard processors:
- P990F: 80960JF local processor
- IOP3927F: 133MHz MIPS processor with 16MB dual-port SDRAM

Maintenance Recommendations:
- Ensure proper grounding and shielding of cables.
- Avoid hot-swapping connector boxes while powered.
- Periodically inspect connectors and cables for wear.

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### Summary

The Rayon UP1216I Universal PCI Intelligent Serial Card is a robust, industrial-grade communication interface designed for high-density serial connectivity. By integrating 16 isolated serial ports (8× RS232 and 8× RS422/RS485) into a single PCI slot, it delivers exceptional flexibility and reliability for multi-user and automation systems. Its universal PCI compatibility, intelligent resource management, and broad OS driver support make it ideal for industrial control, data acquisition, and networked serial communication applications. With full electrical isolation, configurable port modes, and upgradeable architecture, the UP1216I provides a scalable and future-proof solution for demanding serial communication environments.