Comprehensive Product Summary – ADLINK cPCI‑3534 CompactPCI 4‑Port Serial Communication Module

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### 1. Product Overview

Product Name: cPCI‑3534
Model Number: cPCI‑3534
Series: ADLINK CompactPCI Multiport Serial Communication Modules
Article Number: cPCI‑3534
Manufacturer: ADLINK Technology Inc.
Manufacturer Address: 9F, No. 166, Jian Yi Road, Chungho City, Taipei 235, Taiwan, R.O.C.
Website: [www.adlink.com.tw](http://www.adlink.com.tw)
Support Contacts:
- Sales: service@adlink.com.tw
- Technical Support (NuDAQ): nudaq@adlink.com.tw
- Software Support: sw@adlink.com.tw
- Telephone: +886‑2‑82265877
- Fax: +886‑2‑82265717

Product Type: CompactPCI (cPCI) 32‑bit serial communication interface card
Revision: Manual Rev. 1.00 (October 12, 1999)
Copyright: © 1996–1999 ADLINK Technology Inc.

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### 2. Key Features

The ADLINK cPCI‑3534 is a four‑port serial communication module designed for CompactPCI systems. It provides high‑performance, intelligent serial I/O capabilities for industrial and embedded computing environments requiring multiple asynchronous communication channels.

Primary Features:
- 32‑bit CompactPCI form factor compliant with PCI Specification Rev. 2.1.
- Plug‑and‑Play configuration: IRQ and I/O addresses automatically assigned by PCI BIOS.
- Four communication ports:
- Three independent RS‑232C ports.
- One isolated RS‑422/RS‑485 port (user‑selectable via DIP switch).
- High‑speed communication: Supports baud rates from 50 to 115,200 bps per port.
- Isolation protection: 2500 VDC isolation on RS‑422/485 port for industrial noise immunity.
- Flow control: Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control.
- Surge protection: Integrated transient protection on communication lines.
- System scalability: Supports up to two cards per system (maximum 8 ports).
- Operating system support: DOS, Windows 3.1, Windows 95/98, and Windows NT.
- Applications: Ideal for modems, data acquisition, process control, telecommunications, and data display systems.
- Rear I/O support: Compatible with R‑3534 rear I/O transition board for backplane connectivity.
- External connectivity: Supplied with a DB37‑to‑4×DB25 cable assembly for front‑panel access.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Bus Interface | CompactPCI 32‑bit, PCI Rev. 2.1 compliant |
| Serial Controller | 16C550A compatible UART |
| Clock Frequency | 1.8432 MHz to 7.3728 MHz |
| Communication Ports | 4 total (3 × RS‑232C, 1 × RS‑422/485 isolated) |
| Isolation Voltage | 2500 VDC (RS‑422/485 port) |
| Baud Rate Range | 50 to 115,200 bps per port |
| Flow Control | Xon/Xoff (software), RTS/CTS (hardware) |
| System I/O Mapping | Assigned automatically by PCI BIOS |
| IRQ Assignment | Shared IRQ supported |
| Connector Type | DB37 female (on board) |
| External Cable | DB37 to 4 × DB25 male connectors |
| Maximum Cards per System | 2 (8 ports total) |
| Power Consumption | +5 VDC @ 1.4 A (typical) |
| Operating Temperature | 0 °C to 55 °C |
| Storage Temperature | –20 °C to 65 °C |
| Humidity | 10% to 95% RH, non‑condensing |
| Dimensions | 160 mm (L) × 100 mm (W) × 3U height (6.3 × 3.9 in.) |
| Weight | Approx. 200 g (board only) |
| Form Factor | 3U CompactPCI module |

Electrical Interface Standards:
- RS‑232C (EIA/TIA‑232‑E)
- RS‑422 (EIA/TIA‑422‑B)
- RS‑485 (EIA/TIA‑485‑A)

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### 4. Functionality

Operating Principle:
The cPCI‑3534 functions as an intelligent multi‑port serial I/O controller. It uses an ASIC PCI interface controller that fully implements the PCI Local Bus Specification Rev. 2.1. The card offloads serial communication tasks from the host CPU by buffering transmit and receive data, reducing interrupt frequency, and improving overall system throughput.

Communication Architecture:
- Each port includes independent transmit and receive FIFOs.
- The onboard UARTs (16C550A compatible) manage asynchronous serial data streams.
- The isolated port (Port D) can be configured for RS‑422 or RS‑485 operation via DIP switch.
- Automatic direction control for RS‑485 ensures half‑duplex communication without manual RTS toggling.

Use Cases and Applications:
- Industrial automation and process control systems.
- Data acquisition and monitoring.
- SCADA and telemetry systems.
- Modem banks and terminal servers.
- Laboratory instrumentation and test equipment.
- Telecommunications and networking devices requiring serial interfaces.

Compatibility:
- Fully compatible with CompactPCI backplanes.
- Supports standard operating systems: DOS, Windows 3.1, Windows 95/98, and Windows NT.
- Compatible with ADLINK’s R‑3534 rear I/O transition board for backplane routing.
- Supports external isolation boxes (e.g., C888XB) for mixed RS‑232/422/485 environments.

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### 5. Components & Accessories

Included Items:
1. cPCI‑3534 Serial Communication Interface Module.
2. Expansion cable (DB37 female to 4 × DB25 male connectors).
3. R‑3534 Rear I/O Daughter Board (for rear I/O version).
4. ADLINK “All‑in‑One” software CD or driver disks.
5. User’s Manual and documentation.

Optional Accessories:
- R‑3534 Rear I/O Transition Board: Enables rear I/O connectivity through CompactPCI backplane.
- C888XB or C588XB Isolation Boxes: Provide isolated RS‑232/422/485 interfaces for extended industrial applications.
- DB37‑to‑DB37 or DB62‑to‑DB62 cables: For connecting to external isolation or expansion boxes.

Connectors:
- Front Panel: DB37 female connector.
- External Cable: Four DB25 male connectors (Ports A–D).
- Rear I/O: Supported via R‑3534 transition board.

Pin Assignments (DB37):
- Ports A–C: Standard RS‑232 signals (TXD, RXD, RTS, CTS, DSR, DTR, DCD, RI, GND).
- Port D: RS‑422/485 differential pairs (TXD±, RXD±, TRXD±).

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### 6. Installation & Setup

Pre‑Installation Precautions:
- Handle the module using anti‑static precautions (ESD wrist strap and grounded mat).
- Inspect for shipping damage before installation.
- Do not apply power if physical damage is observed.

Installation Procedure:
1. Power off the CompactPCI system and all connected peripherals.
2. Select an available CompactPCI slot.
3. Discharge static electricity before handling the card.
4. Insert the cPCI‑3534 module firmly into the slot.
5. Secure the module using the front‑panel retention screws.
6. Connect the DB37 cable to the front panel or rear I/O connector.
7. Attach the DB25 connectors to external serial devices.

Hardware Configuration:
- Plug‑and‑Play: No manual address or IRQ configuration required.
- Card Identification: DIP switch SW1‑1 designates card number (ON = Card 1, OFF = Card 2).
- Interface Selection: SW1‑4 selects RS‑422 (OFF) or RS‑485 (ON) for Port D.
- Termination Jumpers:
- JP1: RS‑422 termination enable.
- JP2: RS‑485 termination enable.

Software Installation:
- Windows NT:
- Use Control Panel → Network → Add Adapter → “Other” → specify driver path (e.g., `X:\NuCOM\CPCI3534\NT4`).
- Assign COM port numbers during installation.
- Reboot after driver installation.
- Windows 95/98:
- Plug‑and‑Play automatically detects the card.
- Provide driver path when prompted.
- Ensure one card’s switch is ON and the other OFF if two cards are installed.
- DOS/Windows 3.1:
- Use provided driver utilities and configuration files.

System Limitations:
- Maximum of two cPCI‑3534 cards per system (8 ports total).
- Ensure unique COM port assignments to avoid conflicts.
- Shared IRQ operation supported by PCI BIOS.

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### 7. Performance & Capabilities

Communication Performance:
- Baud Rate: 50 to 115,200 bps per port.
- Throughput: 115.2 Kbps × 4 ports maximum.
- Interrupt Handling: Reduced CPU load via buffered UARTs.
- Flow Control: Hardware (RTS/CTS) and software (Xon/Xoff).
- Isolation: 2500 VDC galvanic isolation on RS‑422/485 port.
- Surge Protection: Integrated transient suppression on all ports.

System Capacity:
- Up to 8 ports per system (2 cards).
- Shared IRQ operation for multi‑card configurations.

Electrical & Environmental Performance:
- Stable operation from 0 °C to 55 °C ambient.
- Non‑condensing humidity tolerance up to 95%.
- Designed for industrial reliability and long‑term operation.

Limitations:
- RS‑485 mode supports half‑duplex communication only.
- RS‑422 mode supports full‑duplex point‑to‑point or multi‑drop configurations.
- Maximum of two identical cards per CompactPCI system.

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### 8. Standards & Compliance

Bus and Interface Standards:
- CompactPCI Specification Rev. 2.1 compliant.
- PCI Local Bus Specification Rev. 2.1 compliant.
- EIA/TIA‑232‑E, EIA/TIA‑422‑B, and EIA/TIA‑485‑A compliant serial interfaces.

Electrical Safety & Isolation:
- 2500 VDC isolation on RS‑422/485 port.
- Surge protection on all communication lines.

Software Compatibility:
- DOS, Windows 3.1, Windows 95/98, Windows NT.
- Supports Plug‑and‑Play resource allocation via PCI BIOS.

Hardware Compatibility:
- Fully compatible with CompactPCI backplanes and ADLINK transition boards.

Environmental Compliance:
- Designed for industrial temperature and humidity ranges.
- Non‑condensing operation ensures reliability in harsh environments.

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### 9. Additional Information

Warranty:
- Duration: One‑year limited warranty from date of purchase.
- Coverage: Free from defects in materials and workmanship.
- Exclusions:
- Damage due to misuse, modification, or operation beyond specifications.
- Units with removed or altered serial numbers.
- Consequential damages are excluded.
- Remedy: Repair or replacement at ADLINK’s discretion.
- Return Policy: Equipment must be securely packaged and shipped prepaid with proof of purchase.

Maintenance:
- Periodic inspection for connector wear and cable integrity.
- Ensure proper grounding and ESD protection during handling.
- Keep firmware and drivers updated via ADLINK’s support site.

Technical Support & Service:
- ADLINK provides global technical support via email and phone.
- Users should provide detailed system information (OS, CPU, chipset, BIOS, etc.) when requesting assistance.
- Replacement parts and accessories available through authorized distributors.

Software & Driver Updates:
- Latest drivers and utilities available from ADLINK’s website.
- Supports driver installation for legacy and modern Windows environments.
- Configuration utilities allow COM port assignment and diagnostic testing.

Documentation & Revision Control:
- Manual Revision 1.00 (October 12, 1999).
- Subject to change without notice for design and reliability improvements.

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### Summary

The ADLINK cPCI‑3534 is a robust, industrial‑grade CompactPCI serial communication module offering four asynchronous ports with flexible RS‑232/422/485 support. Its intelligent buffering, high isolation voltage, and plug‑and‑play PCI configuration make it ideal for embedded and industrial control systems requiring reliable multi‑port serial connectivity. With support for multiple operating systems, rear I/O options, and comprehensive surge and isolation protection, the cPCI‑3534 delivers dependable performance in demanding environments while simplifying system integration and maintenance.