Delock 89557 PCI Express x1 Card with 4 x RS232 Serial Ports
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DeLOCK
89557
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Delock 89557 — PCI Express x1 to 4 x RS232 Serial
4 x DB9 RS232PCIe x1 2.0Up to 921.6 kbpsAX99100 chipset
The Delock 89557 expands a compatible desktop PC with four external RS232 serial ports. Two DB9 male connectors are mounted on the main card bracket and two additional DB9 male connectors are provided on a separate rear bracket. It uses an ASIX AX99100 chipset and supports serial transfer rates of up to 921.6 kbps.
Compatibility — check before buying:
This is an internal PCI Express x1 card. Installation requires one free PCI Express slot and one additional free rear expansion slot for the second pair of serial ports. Delock lists Windows 7, 8.1, 10 and 11 support. All four serial connectors are male DB9 RS232 ports.
Best For
✓ Adding four RS232 ports to a desktop PC
✓ Serial scanners and printers
✓ Legacy RS232 control equipment
✓ Compact systems using included low-profile brackets
Key Features
Four RS232 ports from one PCIe card
The 89557 adds four external serial interfaces. Two ports are located on the main expansion bracket and the other two use the supplied separate rear bracket.
ASIX AX99100 chipset
Delock specifies the ASIX AX99100 controller together with compatibility for 16C950 UART operation.
Up to 921.6 kbps
The manufacturer rates serial data transfer at up to 921.6 kbps for compatible devices and configurations.
Low-profile installation support
Delock includes low-profile brackets so the card can also be installed in compatible compact PCs, provided the required PCIe and rear slots are available.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
The Delock 89557 is aimed at PCs that need several physical serial interfaces without relying on multiple USB converters. One PCIe x1 card provides four RS232 ports, although the layout uses two rear expansion positions: two DB9 connectors are on the card itself and the other two sit on the supplied second bracket. That chassis-space requirement is the most important point to check before buying, especially in compact systems.
Buyer’s Guide
Buy it if
You need four physical RS232 ports in a desktop PC and have both a free PCIe slot and an additional free rear expansion position.
Skip it if
You only have one rear expansion opening, need USB connectivity or your equipment requires a serial standard other than RS232.
Good to know
The current Delock specification lists PCIe x1 2.0, an ASIX AX99100 chipset, 256-byte FIFO per port and Windows 11 support.
Features - DeLOCK - 89557
Colour
green
More Details
Product Code
04:224645
EAN Code
4043619895571
Manufacturer
DeLOCK