Internal Serial Adapter DeLOCK 89447

The DeLOCK 89447 internal serial adapter adds four external RS-232 serial ports to a PC via a PCI Express interface. The card uses a SUN2410 chipset and supports FIFO buffering of 128 bytes. Connected devices can optionally receive a supply voltage of 5 V or 12 V, and thumbscrews are included for secure attachment of serial connectors. A low profile bracket is supplied for installation in compact or Mini-PC systems.

Advantages

This PCIe serial adapter provides four external serial interfaces on a single expansion card, supports a maximum data transfer rate of 0.0001152 Gbit/s, and includes flexible power options (5 V / 12 V) for connected devices. The included thumbscrews and low profile bracket enable secure connections and installation in standard and small-form-factor PCs. The SUN2410 chipset with 128 B FIFO improves serial communication reliability.

Suitable for

Key specifications

How to use

Install the DeLOCK 89447 into an available PCI Express slot on the motherboard. If needed, replace the full-height bracket with the supplied low profile bracket for installation in compact systems. Connect external serial devices to the DB9 ports and secure their connectors using the supplied thumbscrews. If your device requires power from the adapter, set the required output voltage (5 V or 12 V) according to the device specifications and ensure proper connection before powering the system.

Recommendations

Install or update drivers compatible with Windows 10 Education or Enterprise before first use. Verify device voltage requirements and use the matching 5 V or 12 V output to avoid damage. For reliable communication, route serial cables to minimize electrical interference and tighten thumbscrews to prevent loose connections.