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Green PCIe card with black DR44 connector and metal bracket

UOTEK

UOTEK UT-794I 4-Port RS-422/485 PCIe Serial Card DR44

SKU CH-1Y5K-298A1

Adds four optically isolated RS-422/485 ports via a PCIe x1 slot with 1.2 km reach and 600 W surge protection

  • ConnectorsDR44
  • InterfacePCI-Express
  • Temperature-40~85°C
  • 4-port RS-422/485 connectivity via single DR44 connector
  • PCI Express x1 2.5Gbps bus for high-speed data transfer
  • 2km transmission distance extends industrial network reach
  • 600W surge and ±15KV ESD protection safeguards ports
  • Wide -40°C to 85°C operating temperature suits harsh environments

Industrial serial expansion

The UOTEK UT-794I adds four RS-422 and RS-485 ports through a single PCI Express x1 slot. It targets industrial automation, building management and legacy equipment integration where long-distance serial links are required.

Build integration

The card occupies one x1 PCIe lane at 2.5 Gbps and connects via a DR44 connector to a breakout cable. Optical isolation and 600 W surge protection per line shield the host system from ground loops and transient voltages on the serial bus.

Sustained operation

Rated for continuous use from -40 °C to 85 °C, the adapter maintains signal integrity over 1.2 km at up to 921.6 Kbps. Hardware flow control and configurable parity, data and stop bits keep framing errors low during extended high-throughput sessions.

特長

  • 4-port RS-422/485 connectivity via single DR44 connector
  • PCI Express x1 2.5Gbps bus for high-speed data transfer
  • 2km transmission distance extends industrial network reach
  • 600W surge and ±15KV ESD protection safeguards ports
  • Wide -40°C to 85°C operating temperature suits harsh environments

仕様

BrandUOTEK
ModelUT-794I
ConnectorsDR44
InterfacePCI-Express
Temperature-40~85°C

この商品に関する質問

How far can the RS-422/485 signals travel on the UT-794I without repeaters?

The card supports up to 1.2 km transmission distance for both RS-422 and RS-485 modes.

What surge and ESD protection does each port provide under continuous industrial operation?

Each RS-422/485 line includes 600 W surge protection and ±15 kV ESD protection.

What slot type and cable does the DR44 connector on this card require?

It installs in a PCI Express x1 slot and uses a single DR44 connector for all four ports.

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