Key Features
Enhanced Circuit Protection
Every port is fortified with 500 W surge protection and 20 kV ESD protection for exceptional durability in demanding environments and harsh conditions.
Auto RS-422/RS-485 Mode Switching
Auto mode switching requires no jumpers, simplifying installation and configuration for faster deployment.
High-Speed Long-Distance Communication
Supports ultra-fast 921.6 kbps data transfer and extended 1200 meter transmission range—perfect for long-distance, high-speed communication in automation and control systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | IO-PCE358A-8S |
| Chipset | EXAR XR17V358 |
| Input Interface | PCIe (PCI Express x1; compatible with x4/x8/x16 slots) |
| Output Interface | RS-422 / RS-485 (8 independent ports) |
| Product Dimensions | 89 x 65.8 mm |
| Data Transfer Rate | Up to 921.6 kbps |
| Baud Rate Range | 300 bps to 921,600 bps |
| Maximum Transmission Distance | Up to 1200 meters (at 9600 bps) |
| Surge Protection | 500 W per line |
| ESD Protection | 20 kV full-signal protection |
| Communication Modes | Full-duplex (RS-422), Half-duplex (RS-485); auto-switching, no jumpers required |
| UART Compatibility | 16550-compatible registers, 256-byte FIFO (send/receive) |
| Flow Control | XON/XOFF software flow control |
| Auto Resource Allocation | IRQ and I/O automatically assigned |
| Data Bits | 5, 6, 7, 8 |
| Parity Options | Even, Odd, Mark, Space, None |
| Stop Bits | 1, 1.5, 2 |
| Operating Temperature Range | -40°C to 85°C |
Package Contents
- 1 x RS-422/RS-485 8-Port PCIe Serial Card
- 1 x Short profile bracket
- 1 x VHDCI68 to 8 x DB9 breakout cable
- 1 x User manual
Driver Download
Download EXAR Driver (XR17V352/354/358)
Frequently Asked Questions
Q: What PCIe slot does this card require?
A: This card uses a PCIe x1 interface and is compatible with x1, x4, x8, and x16 slots. It will work in any available PCIe slot on your motherboard.
Q: Do I need to set jumpers to switch between RS-422 and RS-485 modes?
A: No jumpers are required. This card features automatic RS-422/RS-485 mode switching, which simplifies installation and allows seamless switching between communication modes.
Q: What is the maximum transmission distance?
A: The card supports transmission distances up to 1200 meters (approximately 3937 feet) at 9600 bps. Distance may vary depending on baud rate and cable quality.
Q: Is this card compatible with Windows and Linux?
A: Yes, the card supports Windows Server 2003/2008/2012, Windows XP/Vista/7/8/8.1/10/11, and Linux kernel 2.6.27 and newer versions. Drivers are available for download.
Q: How many devices can I connect to each port?
A: Each port supports point-to-multipoint transmission and can connect up to 32 RS-422 or RS-485 interface devices, making it ideal for automation and control applications.
Q: Does this card work in extreme temperature environments?
A: Yes, this card operates reliably in extended temperature ranges from -40°C to 85°C (-40°F to 185°F), making it suitable for harsh and demanding environments.
Q: What protection does this card offer against electrical surges?
A: Each port features 500W surge protection and 20kV ESD (electrostatic discharge) protection on all RS-422/485 signals, ensuring exceptional durability and reliability in challenging electrical environments.
Q: What cable is included with the card?
A: The package includes a VHDCI68 to 8 x DB9 breakout cable, a short profile bracket for low-profile cases, and a user manual. Everything you need to get started is included.