EXSYS EX-45034IS 4-Port RS-232 PCI Express Serial Card with 2.5kV Optical Isolation

Legacy serial devices often fail to connect to modern computers that lack RS-232 ports. The EXSYS EX-45034IS solves this by adding four isolated RS-232 ports through a PCI Express x1 slot, ensuring reliable communication with industrial equipment, POS systems, and laboratory instruments.

Who is it for

System integrators, industrial automation engineers, and IT professionals who need to connect multiple serial peripherals to a desktop PC while protecting against ground loops and voltage spikes.

Main features

• Four RS-232 ports via one PCIe x1 slot
• 2.5 kV optical isolation per port prevents ground loop damage
• 15 kV ESD protection safeguards against electrostatic discharge
• High-speed data rates up to 921.6 Kbps per port
• 256-byte FIFO buffers reduce CPU overhead
• Exar XR17V354 chipset ensures broad OS compatibility

Specifications

• Interface: PCI Express x1, compliant with PCIe 1.1
• Serial standard: RS-232
• Ports: 4 x DB9 male
• Isolation: 2.5 kV optical
• ESD protection: 15 kV
• Max data rate: 921.6 Kbps per port
• FIFO: 256 bytes Tx/Rx per port
• Chipset: Exar XR17V354
• Flow control: Hardware (RTS/CTS), Software (XON/XOFF)
• Data bits: 5, 6, 7, 8; Stop bits: 1, 1.5, 2; Parity: None, Even, Odd, Mark, Space
• Operating temperature: 0°C to 70°C
• Compatible OS: Windows XP/Vista/7/8/10/11, Server, Linux
• Form factor: Standard profile PCIe card

Tips

Install the card in a PCIe x1 or larger slot. For optimal performance in industrial environments, use shielded serial cables and ensure proper grounding of connected devices.