DB25 Serial Communications Computer Boards Datasheets

4-port RS-232 Communication Card -- PCL-849B/9-BE
from Advantech

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
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
ISA Bus Isolated RS-422/485 Communications and Watchdog Card -- WDG-SIO
from ACCES I/O Products, Inc.

Features. Watchdog timer to monitor computer systems. Opto-Isolated RS-422/485 Serial Communications port. Supports conventional High-speed RS-422, and Multi-drop RS-485. Can be wired for 2 or 4 wire RS-422/485 communications. Supports RS-485 handshaking on-board without special drivers to support... [See More]

  • Connector: DB25
  • Network / Bus: ISA
  • Serial Protocol: RS422; RS485
  • Agency Approvals: CE Conformity
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
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