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General Information |
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Summary |
Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot
The PEX4S553 4-Port Native PCI Express RS232 Serial Adapter Card with 16550 UART lets you add 4 RS232 (DB9) serial ports, using a single PCI Express expansion slot.
Based on a native single-chip design, this 4-port serial adapter card allows you to harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU by as much as 48% over conventional bridge-chip serial cards.
The RS232 Serial Adapter Card includes 4 half-height/low-profile brackets, allowing the card to be installed into almost any PC case, regardless of form factor.
Backed by a StarTech.com Lifetime warranty and free lifetime technical support.
The StarTech.com Advantage
- Native single-chip, single lane PCI Express chipset delivers true PCIe performance, up to 48% more efficient than bridge chip designs
- Standard and low profile/half-height brackets included to ensure fitment in any system |
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Ports & interfaces |
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Host interface |
PCIe |
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Output interface |
Serial |
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Serial ports quantity |
4 |
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Serial interface type |
RS-232 |
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Design |
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Internal |
Yes |
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Mean time between failures (MTBF) |
26280 h |
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Certification |
CE, FCC, REACH |
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Features |
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Chipset |
ASIX - MCS9904CV-AA |
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Baud rate |
128 Kbit/s |
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FIFO (First In, First Out) |
256 B |
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Data bits |
5, 6, 7, 8 |
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Operational conditions |
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Operating temperature (T-T) |
0 - 50 °C |
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Storage temperature (T-T) |
-20 - 60 °C |
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Operating relative humidity (H-H) |
5 - 85% |
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System requirements |
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Windows operating systems supported |
Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 2000, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows 95, Windows 98SE, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64 |
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Mac operating systems supported |
Mac OS X 10.10 Yosemite, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks |
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Linux operating systems supported |
Yes |
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Server operating systems supported |
Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 |
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Other operating systems supported |
Windows Embedded POSReady 2009, Windows Embedded Standard 2009, Windows XP Embedded |
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Technical details |
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Sustainability certificates |
RoHS |
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Weight & dimensions |
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Width |
130 mm |
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Depth |
120 mm |
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Height |
19 mm |
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Weight |
74 g |
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Packaging data |
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Quantity |
1 |
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Mounting brackets included |
Yes |
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Drivers included |
Yes |
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Manual |
Yes |
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Package width |
141 mm |
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Package depth |
170 mm |
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Package height |
30 mm |
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Package weight |
230 g |
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Logistics data |
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Harmonized System (HS) code |
84733020 |
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