User Manual for Sealevel COMM+16.PCI Serial Adapter

Quick Guide

The Sealevel COMM+16.PCI is a PCI interface adapter that provides sixteen RS-232 asynchronous serial ports for industrial automation and control applications. It utilizes the 16C854 UART, featuring programmable baud rates and 128-byte transmit/receive FIFOs.

What's Included

• COMM+16.PCI Serial I/O Adapter
• (2) Micro MDB-68 to eight DB-25 'Spider Cable' (P/N CA202)

Software Installation

Windows Installation

Important: Do not install the adapter in the machine until the software has been fully installed.

1. Locate and install the correct software from the Sealevel software driver database.
2. Select part number #7161 for the adapter.
3. Download and run the SeaCOM for Windows installer.
4. Follow the on-screen prompts. If a warning about the publisher appears, click 'Yes' to proceed.
5. The software will configure the necessary registry entries.

Linux Installation

Note: You must have 'root' privileges to install software and drivers. The syntax is case-sensitive.

• Download SeaCOM for Linux from the Sealevel website.
• Use a utility like 7-Zip to extract the tar.gz file.
• Refer to the README and Serial-HOWTO files included in the download for specific implementation details.
• Interface settings can be accessed via seacom/utilities/7161mode.

Physical Installation

1. Install the software first (as described above).
2. Turn off PC power and disconnect the power cord.
3. Remove the PC case cover.
4. Locate an available PCI slot (5V or 3.3V) and remove the blank metal slot cover.
5. Gently insert the COMM+16.PCI into the slot, ensuring it is seated properly.
6. Secure the adapter with the screw.
7. Replace the cover and reconnect the power cord.

Technical Description

The adapter uses the 16C854 UART. The provided cables are interchangeable; the top connector supports ports 1-8, and the bottom connector supports ports 9-16. Please terminate unused control signals (e.g., connect RTS to CTS and RI; connect DCD to DTR and DSR) to ensure optimal performance.

Troubleshooting

If you encounter issues, follow these steps:

• Identify all I/O adapters currently installed in your system to avoid conflicts.
• Ensure the adapter is using a unique IRQ.
• Verify the adapter is securely installed in the motherboard slot.
• Use the Sealevel 'SSD' diagnostic software to verify configuration.
• For DOS/Windows 3.x, ensure the 'Use Plug-n-Play' option is turned 'OFF' in your BIOS.

Specifications

• Operating Temperature: 0° to 50° C (32° to 122° F)
• Storage Temperature: -20° to 70° C (-4° to 158° F)
• Humidity: 10 to 90% R.H. Non-Condensing
• Power Consumption: +5 VDC, 450 mA
• Board Dimensions: 5.5 inches (13.97 cm) length; 4.2 inches (10.668 cm) height