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Green PCIe card with single DR44 female connector and low-profile bracket

UOTEK

UOTEK UT-782 PCIe to RS-232 2-port serial card DR44

SKU CH-178N-W4M0D

Adds two RS-232 serial ports via a PCI-Express slot with surge and ESD protection for industrial use

  • Connectors1 DR44 Female
  • InterfacePCI-Express
  • Temperature-40~85°C
  • Two high-speed serial ports up to 921.6 Kbps
  • Wide OS support from Win2000 to Linux 2.6.x
  • Industrial temperature range -40 °C to 85 °C
  • 600 W surge and ±15 KV ESD protection per line
  • Flexible DR44 connector with full RS-232 modem signals

Industrial Two-Port Serial Adapter

The UOTEK UT-782 adds two RS-232 ports to a desktop or industrial PC through a single PCI Express x1 slot. It targets engineers and integrators who need reliable serial connectivity for POS terminals, ATMs, automation equipment or legacy peripherals. The card uses a DR44 female connector that breaks out to two standard DB9 interfaces. Each port supports full modem control signals including DCD, DTR, DSR, RTS, CTS and RI.

Verify Slot And Cable Clearance

Confirm the host system has a free PCI Express x1 slot and that the chassis provides enough rear-bracket space for the DR44 connector. The adapter requires a DR44-to-DB9 breakout cable which is not included with the card. Ensure the operating system matches the supported list such as Windows 2000 through 8.1, Linux 2.4.x or 2.6.x, VxWorks or Windows CE. No additional power connector is needed on the card itself.

Sustained Operation Across Temperature Range

The board is rated for continuous operation from -40 °C to 85 °C making it suitable for industrial cabinets without active cooling. Each serial line carries 600 W surge protection and ±15 kV ESD protection to withstand electrical noise on long cable runs. Maximum transmission distance is 15 metres at the highest baud rate of 921.6 kbps. Hardware flow control via RTS/CTS and software XON/XOFF prevents data loss during prolonged high-throughput sessions.

Punti di forza

  • Two high-speed serial ports up to 921.6 Kbps
  • Wide OS support from Win2000 to Linux 2.6.x
  • Industrial temperature range -40 °C to 85 °C
  • 600 W surge and ±15 KV ESD protection per line
  • Flexible DR44 connector with full RS-232 modem signals

Caratteristiche tecniche

BrandUOTEK
ModelUT-782
Connectors1 DR44 Female
InterfacePCI-Express
Temperature-40~85°C

Domande su questo articolo

What cables or brackets are included with the UT-782 and what must I buy separately?

The card ships with a single DR44 female connector; the DB9 breakout cable for the two RS-232 ports is not included and must be purchased separately.

How do I decide between the available versions or capacities of this card?

Only one version exists — the UT-782 with two RS-232 ports on a x1 PCI Express 2.5G bps bus — so there is no capacity choice to make.

What does the 921.6K bps headline rate mean once the card is installed in a real machine?

Each of the two ports can sustain up to 921.6K bps with 5-8 data bits, 1-2 stop bits and RTS/CTS or XON/XOFF flow control, limited by the 15 m RS-232 cable distance.

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