SUNIX SER5056H, Universal PCI serial communication board, allows users to add or expand four RS-232 ports on PC-based system. The card is compatible with both 64 / 32-bit PCI architecture supporting 3.3 and 5V Bus, allowing it to be installed in virtually any PC-based systems. SUNIX SER5056H card has 128-bytes onboard FIFO buffer and compatible with 16C950 UART specification. It is designed with SUNIX UART controller, SUN1999 and as well built with many of SUNIX advanced features and technologies, making it the best solution for commercial and industrial automation applications.

Features:

Expands 4 independent RS-232 serial port with communication speeds up to 921.6Kbps.
High reliability SUN1999 16C950 compatible UART controller on-board.
Compliance with PCI 33MHz Ver. 3.0/2.3/2.2./2.1 specification.
Supports both 64-bit & 32-bit PCI bus slot and 3.3V & 5V power.
On-chip hardware auto flow control to guarantee no data loss.
Built-in ± 15KV ESD protection for all serial signals meets IEC1000-4-2 standard.
Plug-n-Play, I/O address and IRQ assigned by BIOS.
Certified by CE, FCC, RoHS, and Microsoft WHQL approval.
Support Microsoft Windows, Linux, and DOS.

Specifications:

Interface: RS-232
Controller: SUNIX SUN1999 (16C950 UART Compatible)
Bus: Universal PCI 64/32bit 3.3V/5V PCI Ver 3.0, 2.3, 2.2, 2.1
No. of Port: 4-port
IRQ & IO: Assigned by System
FIFO: 128 byte (Hardware)
Signal: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI
Baud rate: 50 bps to 921.6 Kbps
Data bit: 5,6,7,8
Stop bit: 1,1.5,2
Parity: None, Even, Odd, Space, Mark
Flow Control: None, Xon/Xoff, RTS/CTS
Protection: ±15KV ESD protection for each signal Human Body Model (HBM)
±15KV IEC1000-4-2 Air Gap Discharge
±8KV IEC1000-4-2 Contact Discharge
PCB connector: DB44 Female

What's in the box
1 x Sunix 4-port RS-232 High Speed Universal PCI Serial Board - SER5056H