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- Intelligent Serial Controller: Built‑in Intel i960KA 32‑bit RISC processor (20 MHz) for offloading host CPU tasks.
- CompactPCI Compliance: Fully compliant with PCI Specification Rev. 2.1; 32‑bit CompactPCI form factor.
- Plug‑and‑Play Configuration: Automatic IRQ and I/O address assignment via PCI BIOS; no manual configuration required.
- High Scalability: Modular design supports 8 to 64 ports per controller and up to two controllers per system (maximum 128 ports).
- Flexible Interface Options: Supports RS‑232, RS‑422, and RS‑485 communication standards through expansion modules.
- Rear I/O Connectivity: All serial ports are routed through rear I/O connectors for clean front‑panel integration.
- Operating System Support: Compatible with Windows NT, SCO UNIX, XENIX, AT&T UNIX System V, and other UNIX variants.
- LED Diagnostics: Front‑panel LEDs for Power, Reset, Fail, and Active status indication.
- High Reliability: Industrial‑grade design with wide operating temperature range and robust electrical isolation (for cPCI‑6968).
- Ease of Expansion: Additional 8‑port modules can be added in seconds without system reconfiguration.
- CompactPCI Compliance: Fully compliant with PCI Specification Rev. 2.1; 32‑bit CompactPCI form factor.
- Plug‑and‑Play Configuration: Automatic IRQ and I/O address assignment via PCI BIOS; no manual configuration required.
- High Scalability: Modular design supports 8 to 64 ports per controller and up to two controllers per system (maximum 128 ports).
- Flexible Interface Options: Supports RS‑232, RS‑422, and RS‑485 communication standards through expansion modules.
- Rear I/O Connectivity: All serial ports are routed through rear I/O connectors for clean front‑panel integration.
- Operating System Support: Compatible with Windows NT, SCO UNIX, XENIX, AT&T UNIX System V, and other UNIX variants.
- LED Diagnostics: Front‑panel LEDs for Power, Reset, Fail, and Active status indication.
- High Reliability: Industrial‑grade design with wide operating temperature range and robust electrical isolation (for cPCI‑6968).
- Ease of Expansion: Additional 8‑port modules can be added in seconds without system reconfiguration.
Comprehensive Product Summary – ADLINK cPCI‑3938R Intelligent Multi‑Port Serial Communication Controller
### 1. Product Overview
Product Name: cPCI‑3938R Intelligent Multi‑Port Serial Communication Controller
Model: cPCI‑3938R
Series: CompactPCI Intelligent Serial Communication Modules
Article Number: cPCI‑3938R
Manufacturer: ADLINK Technology Inc.
Associated Expansion Modules: cPCI‑6968 (RS‑232/422/485 isolated) and cPCI‑6969 (RS‑232)
Product Type: Modular, intelligent serial I/O controller for CompactPCI systems
Revision: Manual Rev. 1.00, November 5, 1999
The ADLINK cPCI‑3938R is an intelligent, high‑performance serial communication controller designed for CompactPCI (cPCI) platforms. It provides scalable multi‑port serial connectivity for industrial, telecommunications, and data acquisition applications. The system architecture integrates a local RISC processor, dual‑port RAM, and modular expansion capability, enabling up to 128 serial ports per system.
### 2. Key Features
- Intelligent Serial Controller: Built‑in Intel i960KA 32‑bit RISC processor (20 MHz) for offloading host CPU tasks.
- CompactPCI Compliance: Fully compliant with PCI Specification Rev. 2.1; 32‑bit CompactPCI form factor.
- Plug‑and‑Play Configuration: Automatic IRQ and I/O address assignment via PCI BIOS; no manual configuration required.
- High Scalability: Modular design supports 8 to 64 ports per controller and up to two controllers per system (maximum 128 ports).
- Flexible Interface Options: Supports RS‑232, RS‑422, and RS‑485 communication standards through expansion modules.
- Rear I/O Connectivity: All serial ports are routed through rear I/O connectors for clean front‑panel integration.
- Operating System Support: Compatible with Windows NT, SCO UNIX, XENIX, AT&T UNIX System V, and other UNIX variants.
- LED Diagnostics: Front‑panel LEDs for Power, Reset, Fail, and Active status indication.
- High Reliability: Industrial‑grade design with wide operating temperature range and robust electrical isolation (for cPCI‑6968).
- Ease of Expansion: Additional 8‑port modules can be added in seconds without system reconfiguration.
### 3. Technical Specifications
Controller Module (cPCI‑3938R):
- Processor: Intel 80960KA RISC CPU, 20 MHz
- Memory: 128 KB dual‑port RAM for host‑to‑local CPU communication
- Bus Interface: CompactPCI 32‑bit, PCI Rev. 2.1 compliant
- I/O Mapping: Assigned automatically by PCI BIOS; shared IRQ supported
- Supported Expansion Modules: Up to 8 modules per controller
- Maximum System Configuration: 2 controllers × 8 modules × 8 ports = 128 ports
- Power Consumption: +5 V @ 1.4 A (typical)
- Operating Temperature: 0 °C to 60 °C
- Storage Temperature: –10 °C to 70 °C
- Humidity: 5 % to 90 %, non‑condensing
- Connector: Rear I/O J2 connector (CompactPCI P2 interface)
- LED Indicators:
- Power (Green) – Module powered
- Reset (Red) – Module in reset state
- Fail (Red) – Self‑diagnostic failure
- Active (Red) – Expansion module connected and active
Expansion Module – cPCI‑6969 (RS‑232):
- Form Factor: 6U CompactPCI
- Ports: 8 × RS‑232 independent channels
- Controller: ST16C554 FIFO UART
- Baud Rate: 110 bps to 230,400 bps per port
- Connector: Rear I/O connector for port extension
- Power Consumption: +5 V @ 1.2 A typical
- Operating Temperature: 0 °C to 60 °C
- Storage Temperature: –10 °C to 70 °C
- Humidity: 5 % to 95 %, non‑condensing
Expansion Module – cPCI‑6968 (RS‑232/422/485 Isolated):
- Form Factor: 6U CompactPCI
- Ports: 8 × RS‑232/422/485 selectable channels
- Isolation Voltage: 500 V DC channel‑to‑channel and to system ground
- Controller: ST16C554 FIFO UART
- Baud Rate: 110 bps to 230,400 bps per port
- Connector: Rear I/O connector for port extension
- Power Consumption: +5 V @ 1.4 A typical
- Operating Temperature: 0 °C to 60 °C
- Storage Temperature: –10 °C to 70 °C
- Humidity: 5 % to 95 %, non‑condensing
### 4. Functionality
The cPCI‑3938R acts as an intelligent serial I/O controller that offloads communication tasks from the host CPU. Its local Intel i960 RISC processor manages data transfer between the CompactPCI bus and external serial devices through dual‑port RAM. This architecture minimizes interrupt overhead and enhances system throughput for multi‑port serial applications.
Use Cases and Applications:
- Industrial automation and process control systems
- Telecommunications equipment and modem banks
- Data acquisition and instrumentation interfaces
- Multi‑terminal UNIX servers and console management
- Point‑of‑sale and retail transaction systems
- SCADA and remote monitoring applications
Compatibility:
- Operating Systems: Windows NT, SCO UNIX, XENIX, AT&T UNIX System V, and other UNIX variants
- Hardware Platforms: CompactPCI chassis with 32‑bit PCI bus support
### 5. Components & Accessories
Included Items:
- cPCI‑3938R controller module
- One or more cPCI‑6968 or cPCI‑6969 expansion modules (8 ports each)
- Software utility CD or installation disks
- User manual and documentation
Optional Add‑Ons:
- Additional expansion modules (up to 8 per controller)
- Rear I/O cables and connectors for external device connection
- Asynchronous communication backplane (C6869B) for multi‑module integration
Connectors:
- Rear I/O CompactPCI J2 and J4/J5 connectors for signal routing
- 40‑pin headers for port signal breakout to DB25 or terminal blocks
### 6. Installation & Setup
Hardware Installation Procedure:
1. Power off the CompactPCI system and all connected devices.
2. Select an available CompactPCI slot and insert the cPCI‑3938R controller module.
3. Secure the module in place using the front panel retention screws.
4. Attach the rear I/O connector to the backplane or expansion module interface.
5. Install the desired cPCI‑6968 or cPCI‑6969 expansion modules in adjacent slots.
6. Ensure proper rear I/O cabling between controller and expansion modules.
7. Power on the system; the BIOS will automatically assign resources.
Software Installation:
- Windows NT: Install drivers via Control Panel → Network → Add Adapter → Other → Specify path (A:\NT4). Reboot after installation.
- UNIX/XENIX: Install drivers using the `/etc/custom` utility or manual `tar` and `build` scripts under `/etc/PCIIOP`. Rebuild the kernel and reboot.
Configuration Notes:
- Jumper JP1 identifies the first or second controller card in a system. Set JP1 ON for the first card and OFF for the second.
- Ensure unique COM port assignments to avoid overlaps in multi‑card systems.
- Observe anti‑static precautions during installation.
### 7. Performance & Capabilities
- Port Scalability: 8 ports per expansion module; up to 64 ports per controller; 128 ports per system (2 controllers).
- Baud Rate: 110 bps to 230,400 bps per port (software configurable).
- Throughput: High data transfer efficiency via local RISC processing and dual‑port RAM buffering.
- Interrupt Handling: Reduced CPU interrupt load through local buffering and intelligent I/O management.
- Isolation (cPCI‑6968): 500 V DC electrical isolation between channels and system ground.
- Reliability: Industrial‑grade design for continuous operation in 0–60 °C environments.
- Limitations: RS‑485 mode supports half‑duplex operation only; RS‑422 required for full‑duplex communication.
### 8. Standards & Compliance
- Bus Standard: CompactPCI (PCI Local Bus Specification Rev. 2.1)
- Electrical Isolation: 500 V DC (for RS‑422/485 ports on cPCI‑6968)
- Environmental Compliance: Operating 0–60 °C; Storage –10–70 °C; Humidity 5–95 % non‑condensing
- Regulatory Compliance: Designed to meet industrial EMC and safety requirements of the era (1999 CompactPCI standards)
- Interface Standards: RS‑232C, RS‑422, RS‑485 EIA/TIA compliant
- Software Compatibility: Windows NT, SCO UNIX, XENIX, AT&T UNIX System V
### 9. Additional Information
Warranty:
ADLINK Technology Inc. warrants the cPCI‑3938R and associated modules to be free from defects in materials and workmanship for one (1) year from the date of purchase. Under warranty, ADLINK will repair or replace defective units at its discretion. Warranty excludes damage from misuse, modification, or operation beyond specified limits. Return authorization and proof of purchase are required.
Support & Service:
- Website: [http://www.adlink.com.tw](http://www.adlink.com.tw)
- Sales & Service: service@adlink.com.tw
- Technical Support: nudaq@adlink.com.tw (NuDAQ), nudam@adlink.com.tw (NuDAM), nuipc@adlink.com.tw (NuIPC), nupro@adlink.com.tw (NuPRO), sw@adlink.com.tw (Software)
- Telephone: +886‑2‑8226‑5877
- Fax: +886‑2‑8226‑5717
- Address: 9F, No. 166, Jian Yi Road, Chungho City, Taipei 235, Taiwan, R.O.C.
Maintenance & Updates:
- Firmware and driver updates available via ADLINK support channels.
- Periodic inspection recommended for connector integrity and module seating.
- Modules should be handled using ESD precautions and stored in anti‑static packaging.
Service Procedure:
For technical issues or RMA requests, contact ADLINK with the following information: product model, operating system, CPU type, chipset, BIOS version, and detailed problem description. Include contact details and system configuration for prompt assistance.
### Summary
The ADLINK cPCI‑3938R is a robust, intelligent multi‑port serial communication controller engineered for CompactPCI systems requiring high‑density serial connectivity and efficient CPU offloading. Its modular architecture supports up to 128 serial ports per system through cPCI‑6968 and cPCI‑6969 expansion modules. With a dedicated Intel i960 RISC processor, dual‑port RAM, and automatic PCI resource management, the cPCI‑3938R delivers high throughput and reliability for industrial and telecommunications applications. Comprehensive OS support, rear I/O integration, and diagnostic LEDs make it a versatile solution for multi‑port serial communication in mission‑critical CompactPCI environments.
### 1. Product Overview
Product Name: cPCI‑3938R Intelligent Multi‑Port Serial Communication Controller
Model: cPCI‑3938R
Series: CompactPCI Intelligent Serial Communication Modules
Article Number: cPCI‑3938R
Manufacturer: ADLINK Technology Inc.
Associated Expansion Modules: cPCI‑6968 (RS‑232/422/485 isolated) and cPCI‑6969 (RS‑232)
Product Type: Modular, intelligent serial I/O controller for CompactPCI systems
Revision: Manual Rev. 1.00, November 5, 1999
The ADLINK cPCI‑3938R is an intelligent, high‑performance serial communication controller designed for CompactPCI (cPCI) platforms. It provides scalable multi‑port serial connectivity for industrial, telecommunications, and data acquisition applications. The system architecture integrates a local RISC processor, dual‑port RAM, and modular expansion capability, enabling up to 128 serial ports per system.
### 2. Key Features
- Intelligent Serial Controller: Built‑in Intel i960KA 32‑bit RISC processor (20 MHz) for offloading host CPU tasks.
- CompactPCI Compliance: Fully compliant with PCI Specification Rev. 2.1; 32‑bit CompactPCI form factor.
- Plug‑and‑Play Configuration: Automatic IRQ and I/O address assignment via PCI BIOS; no manual configuration required.
- High Scalability: Modular design supports 8 to 64 ports per controller and up to two controllers per system (maximum 128 ports).
- Flexible Interface Options: Supports RS‑232, RS‑422, and RS‑485 communication standards through expansion modules.
- Rear I/O Connectivity: All serial ports are routed through rear I/O connectors for clean front‑panel integration.
- Operating System Support: Compatible with Windows NT, SCO UNIX, XENIX, AT&T UNIX System V, and other UNIX variants.
- LED Diagnostics: Front‑panel LEDs for Power, Reset, Fail, and Active status indication.
- High Reliability: Industrial‑grade design with wide operating temperature range and robust electrical isolation (for cPCI‑6968).
- Ease of Expansion: Additional 8‑port modules can be added in seconds without system reconfiguration.
### 3. Technical Specifications
Controller Module (cPCI‑3938R):
- Processor: Intel 80960KA RISC CPU, 20 MHz
- Memory: 128 KB dual‑port RAM for host‑to‑local CPU communication
- Bus Interface: CompactPCI 32‑bit, PCI Rev. 2.1 compliant
- I/O Mapping: Assigned automatically by PCI BIOS; shared IRQ supported
- Supported Expansion Modules: Up to 8 modules per controller
- Maximum System Configuration: 2 controllers × 8 modules × 8 ports = 128 ports
- Power Consumption: +5 V @ 1.4 A (typical)
- Operating Temperature: 0 °C to 60 °C
- Storage Temperature: –10 °C to 70 °C
- Humidity: 5 % to 90 %, non‑condensing
- Connector: Rear I/O J2 connector (CompactPCI P2 interface)
- LED Indicators:
- Power (Green) – Module powered
- Reset (Red) – Module in reset state
- Fail (Red) – Self‑diagnostic failure
- Active (Red) – Expansion module connected and active
Expansion Module – cPCI‑6969 (RS‑232):
- Form Factor: 6U CompactPCI
- Ports: 8 × RS‑232 independent channels
- Controller: ST16C554 FIFO UART
- Baud Rate: 110 bps to 230,400 bps per port
- Connector: Rear I/O connector for port extension
- Power Consumption: +5 V @ 1.2 A typical
- Operating Temperature: 0 °C to 60 °C
- Storage Temperature: –10 °C to 70 °C
- Humidity: 5 % to 95 %, non‑condensing
Expansion Module – cPCI‑6968 (RS‑232/422/485 Isolated):
- Form Factor: 6U CompactPCI
- Ports: 8 × RS‑232/422/485 selectable channels
- Isolation Voltage: 500 V DC channel‑to‑channel and to system ground
- Controller: ST16C554 FIFO UART
- Baud Rate: 110 bps to 230,400 bps per port
- Connector: Rear I/O connector for port extension
- Power Consumption: +5 V @ 1.4 A typical
- Operating Temperature: 0 °C to 60 °C
- Storage Temperature: –10 °C to 70 °C
- Humidity: 5 % to 95 %, non‑condensing
### 4. Functionality
The cPCI‑3938R acts as an intelligent serial I/O controller that offloads communication tasks from the host CPU. Its local Intel i960 RISC processor manages data transfer between the CompactPCI bus and external serial devices through dual‑port RAM. This architecture minimizes interrupt overhead and enhances system throughput for multi‑port serial applications.
Use Cases and Applications:
- Industrial automation and process control systems
- Telecommunications equipment and modem banks
- Data acquisition and instrumentation interfaces
- Multi‑terminal UNIX servers and console management
- Point‑of‑sale and retail transaction systems
- SCADA and remote monitoring applications
Compatibility:
- Operating Systems: Windows NT, SCO UNIX, XENIX, AT&T UNIX System V, and other UNIX variants
- Hardware Platforms: CompactPCI chassis with 32‑bit PCI bus support
### 5. Components & Accessories
Included Items:
- cPCI‑3938R controller module
- One or more cPCI‑6968 or cPCI‑6969 expansion modules (8 ports each)
- Software utility CD or installation disks
- User manual and documentation
Optional Add‑Ons:
- Additional expansion modules (up to 8 per controller)
- Rear I/O cables and connectors for external device connection
- Asynchronous communication backplane (C6869B) for multi‑module integration
Connectors:
- Rear I/O CompactPCI J2 and J4/J5 connectors for signal routing
- 40‑pin headers for port signal breakout to DB25 or terminal blocks
### 6. Installation & Setup
Hardware Installation Procedure:
1. Power off the CompactPCI system and all connected devices.
2. Select an available CompactPCI slot and insert the cPCI‑3938R controller module.
3. Secure the module in place using the front panel retention screws.
4. Attach the rear I/O connector to the backplane or expansion module interface.
5. Install the desired cPCI‑6968 or cPCI‑6969 expansion modules in adjacent slots.
6. Ensure proper rear I/O cabling between controller and expansion modules.
7. Power on the system; the BIOS will automatically assign resources.
Software Installation:
- Windows NT: Install drivers via Control Panel → Network → Add Adapter → Other → Specify path (A:\NT4). Reboot after installation.
- UNIX/XENIX: Install drivers using the `/etc/custom` utility or manual `tar` and `build` scripts under `/etc/PCIIOP`. Rebuild the kernel and reboot.
Configuration Notes:
- Jumper JP1 identifies the first or second controller card in a system. Set JP1 ON for the first card and OFF for the second.
- Ensure unique COM port assignments to avoid overlaps in multi‑card systems.
- Observe anti‑static precautions during installation.
### 7. Performance & Capabilities
- Port Scalability: 8 ports per expansion module; up to 64 ports per controller; 128 ports per system (2 controllers).
- Baud Rate: 110 bps to 230,400 bps per port (software configurable).
- Throughput: High data transfer efficiency via local RISC processing and dual‑port RAM buffering.
- Interrupt Handling: Reduced CPU interrupt load through local buffering and intelligent I/O management.
- Isolation (cPCI‑6968): 500 V DC electrical isolation between channels and system ground.
- Reliability: Industrial‑grade design for continuous operation in 0–60 °C environments.
- Limitations: RS‑485 mode supports half‑duplex operation only; RS‑422 required for full‑duplex communication.
### 8. Standards & Compliance
- Bus Standard: CompactPCI (PCI Local Bus Specification Rev. 2.1)
- Electrical Isolation: 500 V DC (for RS‑422/485 ports on cPCI‑6968)
- Environmental Compliance: Operating 0–60 °C; Storage –10–70 °C; Humidity 5–95 % non‑condensing
- Regulatory Compliance: Designed to meet industrial EMC and safety requirements of the era (1999 CompactPCI standards)
- Interface Standards: RS‑232C, RS‑422, RS‑485 EIA/TIA compliant
- Software Compatibility: Windows NT, SCO UNIX, XENIX, AT&T UNIX System V
### 9. Additional Information
Warranty:
ADLINK Technology Inc. warrants the cPCI‑3938R and associated modules to be free from defects in materials and workmanship for one (1) year from the date of purchase. Under warranty, ADLINK will repair or replace defective units at its discretion. Warranty excludes damage from misuse, modification, or operation beyond specified limits. Return authorization and proof of purchase are required.
Support & Service:
- Website: [http://www.adlink.com.tw](http://www.adlink.com.tw)
- Sales & Service: service@adlink.com.tw
- Technical Support: nudaq@adlink.com.tw (NuDAQ), nudam@adlink.com.tw (NuDAM), nuipc@adlink.com.tw (NuIPC), nupro@adlink.com.tw (NuPRO), sw@adlink.com.tw (Software)
- Telephone: +886‑2‑8226‑5877
- Fax: +886‑2‑8226‑5717
- Address: 9F, No. 166, Jian Yi Road, Chungho City, Taipei 235, Taiwan, R.O.C.
Maintenance & Updates:
- Firmware and driver updates available via ADLINK support channels.
- Periodic inspection recommended for connector integrity and module seating.
- Modules should be handled using ESD precautions and stored in anti‑static packaging.
Service Procedure:
For technical issues or RMA requests, contact ADLINK with the following information: product model, operating system, CPU type, chipset, BIOS version, and detailed problem description. Include contact details and system configuration for prompt assistance.
### Summary
The ADLINK cPCI‑3938R is a robust, intelligent multi‑port serial communication controller engineered for CompactPCI systems requiring high‑density serial connectivity and efficient CPU offloading. Its modular architecture supports up to 128 serial ports per system through cPCI‑6968 and cPCI‑6969 expansion modules. With a dedicated Intel i960 RISC processor, dual‑port RAM, and automatic PCI resource management, the cPCI‑3938R delivers high throughput and reliability for industrial and telecommunications applications. Comprehensive OS support, rear I/O integration, and diagnostic LEDs make it a versatile solution for multi‑port serial communication in mission‑critical CompactPCI environments.
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