4-port RS-232 Communication Card -- PCL-849B/9-BE
from Advantech Co., Ltd.

Four or eight RS-232 or RS-422/485 serial ports. Transmission speeds up to 921.6 kbps. Independent/shared IRQ settings between each of the 4 serial ports. Wide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15. Supports COM1, COM2, COM3, and COM4. Provides 1000 VDC isolation (PCL-846 only). Provides... [See More]

  • Connector: DB25
  • Number of Ports: 4
  • Serial Protocol: RS232
4 Port RS232 PCI Serial Card DB25 -- UC-756
from Brainboxes Limited

Universal PCI providing four RS232 serial ports complete with 4x25 Pin connector cable. Data transfer rates up to 115,200 baud rates and the 64 byte deep transmit and 64 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers for all... [See More]

  • Connector: DB25
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Operating System: Windows 7, Server 2008, Vista, Server 03
8 Port ISA RS-232 Serial Interface -- OMG-COMM8-A
from OMEGA Engineering, Inc.

The OMG-COMM8-A provides the PC with eight RS-232 Asynchronous ports for terminals, data collection and other devices. This product includes extended AT interrupts, extended address range for UNIX, XENIX and QNX compatibility, and an interrupt status port for greater data throughput. Set each port... [See More]

  • Connector: DB9; DB25; DB-78
  • Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
  • Serial Protocol: RS232
  • Data Rate: 461
3-port RS-232, 1-port RS-422/485 3U cPCI -- cPCI-3534
from ADLINK Technology Inc.

Features three RS-232 ports as well as one RS-422/485 port [See More]

  • Connector: DB9; DB25; DB37
  • Network / Bus: CompactPCI; PXI Bus
  • Serial Protocol: RS232/422/485
  • Operating System: Windows XP/2000, Linux
4-Port Serial Communication Module -- MIC-3612
from Advantech - Applied Computing Group

The MIC-3612 is a 4 port RS-232/422/485 PCI communication card. It is compatible with PCI 2.1 bus specification. The MIC-3612 provides four surge protection, RS-232/422/485 ports to meet user's needs. It features lots of functions such as high transmission speed 921.6 Kbps; four independent... [See More]

  • Connector: DB9; DB25
  • Network / Bus: CompactPCI
  • Serial Protocol: RS232/422/485
  • Operating System: Windows 98/NT/2000/XP
PCI Express -- CP-102EL
from Industrial PC, Inc.

2-port PCI Express board designed for POS and ATM applications [See More]

  • Connector: DB25
  • Network / Bus: PCI Express
  • Serial Protocol: RS232
  • Operating System: Windows 2000/XP/Vista/x86x64, Linux
Universal PCI Serial Board -- CP-132UL V2
from Moxa Inc.

Over 800 Kbps data throughput for top performance. 921.6 Kbps maximum baudrate for super fast data transmission. ADDC ® provides automatic data direction control for RS-485 signals. Transmit data up to 1.2 km with RS-422/485. 128-byte FIFO and on-chip H/W, S/W flow control. Compatible with... [See More]

  • Connector: DB25
  • Network / Bus: PCI
  • Serial Protocol: RS422; RS485
  • Operating System: Windows, Linux, FreeBSD, DOS