DB9 Serial Communications Computer Boards

68 Results
2-port CAN-bus ISA Card with Isolation Protection -- PCL-841
from Advantech

The PCL-841 is special purpose communication cards which offer the connectivity of the Controller Area Network to your PC. With its built-in CAN controllers, the PCL-841 provides bus arbitration and error detection with an automatic transmission repeat function. This drastically reduces the chance... [See More]

  • Connector: DB9; 2x DB9-M
  • Data Rate: 500
  • Network / Bus: ISA
  • Number of Ports: 2
2-port CAN-bus Universal PCI Card with Isolation -- PCI-1680U
from Advantech

PCI-1680U is a special purpose communication card that offers the connectivity of the Controller Area Network (CAN) to your PC. With its built-in CAN controllers, the PCI-1680U provides bus arbitration and error detection with an automatic transmission repeat function. This drastically reduces the... [See More]

  • Connector: DB9; 2x Male DB9
  • Data Rate: 1000
  • Network / Bus: PCI; PCI
  • Number of Ports: 2
2-port RS-232 Current-loop Communication Card -- PCL-741
from Advantech

The PCL-740 offers a versatile range of high speed interfacing options. You can switch its single port between the popular RS-232, long distance RS-422, multi-drop RS-485, or noise-resistant current-loop. The card ’s 16C550 UART has an on-chip 16-byte FIFO buffer for faster and more reliable... [See More]

  • Connector: DB9; 2 x DB9-M
  • Network / Bus: ISA
  • Serial Protocol: RS232
  • Data Rate: 0.0500 to 115
2-port RS-232 PCI Communication Card w/Surge & Isolation -- PCI-1604
from Advantech

2-port RS-232 PCI Communication Card w/Surge & Isolation. Universal PCI v2.2. Speeds up to 921.6 kbps for extremely fast data transmission. Supports any baud rate setting. 2 x RS-232 ports. Supported operating systems: Windows 7/8/10, and Linux. XR17V352 UART with 256-byte FIFOs [See More]

  • Connector: DB9; 2 x Male DB9
  • Network / Bus: PCI; PCI
  • Serial Protocol: RS232
  • Data Rate: 0.0500 to 922
2-port RS-232 PCIe Communication Card w/Surge & Isolation -- PCIE-1604
from Advantech

2-port RS-232 PCI Express Communication Card w/Surge & Isolation. PCI Express bus 2.0 compliant. Speeds up to 921.6 kbps for extremely fast data transmission. Supports any baud rate setting. 2 x RS-232 ports. Operating systems supported: Windows XP/Vista/7/8/10, Linux. XR17V352 UART with 256-byte... [See More]

  • Connector: DB9; 2 x Male DB9
  • Network / Bus: PCI; PCIe
  • Serial Protocol: RS232
  • Data Rate: 0.0500 to 922
2-port RS-232/422/485 PCI Communication Card w/Surge & Isolation -- PCI-1602
from Advantech

2-port RS-232/422/485 PCI Communication Card w/Surge & Isolation. Universal PCI v2.2. Speeds up to 921.6 kbps for extremely fast data transmission. Supports any baud rate setting. 2 x RS-232 or RS- 232/422/485 ports. Supported operating systems: Windows 7/8/10, and Linux. XR17V352 UART with 256-byte... [See More]

  • Connector: DB9; 2 x Male DB9
  • Network / Bus: PCI; PCI
  • Serial Protocol: RS232; RS422; RS485
  • Data Rate: 0.0500 to 922
2-port RS-232/422/485 PCIe Communication Card w/Surge & Isolation -- PCIE-1602
from Advantech

2-port RS-232/422/485 PCI Express Communication Card w/Surge & Isolation. PCI Express bus 2.0 compliant. Speeds up to 921.6 kbps for extremely fast data transmission. Supports any baud rate setting. 2 x RS-232 or RS- 232/422/485 ports. Operating systems supported: Windows XP/Vista/7/8/10, Linux. [See More]

  • Connector: DB9; 2 x Male DB9
  • Network / Bus: PCI; PCIe
  • Serial Protocol: RS232; RS422; RS485
  • Data Rate: 0.0500 to 922
8-port RS-422/485 High-Speed PC/104 Module -- PCM-3618
from Advantech

The PCM-3618 is a PC/104-compatible module with eight individually configurable RS-422/485 ports. It works with PC/104 CPU modules to extend additional RS-2422/485 ports. The PCM-3618 also features lots of functions such as high transmission speed of 921.6 kbps, shared IRQ and more. It also provides... [See More]

  • Connector: DB9; 8 x DB9-M
  • Network / Bus: PC/104 (PC/104-Plus, EBX, ETX); PC/104
  • Serial Protocol: RS422; RS485
  • Data Rate: 0.0500 to 922
iDoor module: 2-Ports Isolated RS-232 mPCIe, DB9 -- PCM-24D2R2
from Advantech

iDoor Module: 2-Ports Isolated RS-232 mPCIe, DB9 The PCM-24 series are categorized as communication modules from Advantech iDoor Technology. They are all compatible with the PCI Express ® Mini Card Specification Revision 1.2. including Isolated / Non-Isolated RS-32/422/485 communication cards... [See More]

  • Connector: DB9; 2x Male DB9
  • Network / Bus: PCI; PCI Express Mini Card Revision 1.2
  • Serial Protocol: RS232
  • Data Rate: 0.2000 to 922
iDoor Module: 2-Ports Isolated RS-422/485 mPCIe, DB9 -- PCM-24D2R4
from Advantech

iDoor Module: 2-Ports Isolated RS-422/485 mPCIe, DB9 The PCM-24 series are categorized as communication modules from Advantech iDoor Technology. They are all compatible with the PCI Express ® Mini Card Specification Revision 1.2. including Isolated / Non-Isolated RS-32/422/485 communication... [See More]

  • Connector: DB9; 2x Male DB9
  • Network / Bus: PCI; PCI Express Mini Card Revision 1.2
  • Serial Protocol: RS422; RS485
  • Data Rate: 0.0500 to 922
ISA Bus Serial Port -- AC24AT
from Opto 22

ISA Bus Serial Port RS422/485, Isolated [See More]

  • Connector: DB9
  • Network / Bus: ISA Bus
  • Serial Protocol: RS422; RS485
  • Data Rate: 38.4
1 Port RS232 Low Profile PCI Express Serial Card -- PX-235
from Brainboxes Limited

Low Profile PCI Express Card providing one RS232 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, delivers uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000, XP,... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS232
  • Data Rate: 922
Four-port Isolated RS232 PCI Express Mini Card -- mPCIe-ICM232-4
from ACCES I/O Products, Inc.

The mPCIe-ICM232 family of cards feature high performance 16C950-class UARTs. Available in 4-port (mPCIe-ICM232-4) and 2-port (mPCIe-ICM232-2) versions, each port is capable of communication speeds up to 921.6kbps and has 128-byte deep transmit and receive FIFOs which protect against data loss in... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express Mini Card (mPCIe) Type F1
  • Serial Protocol: RS232
  • Number of Ports: 4
Serial Communication Port Card -- LPCI-COM-1S
from American Portwell Technology Inc.

Low Profile single port asynchronous serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-422 and RS-485 protocols with auto control for RS-485 under all OS at baud rates up to 460.8Kbps [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS422; RS485
  • Number of Ports: 1
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 Serial Port -- AC422AT
from Opto 22

ISA Bus Serial Port RS422/485, Non-isolated [See More]

  • Connector: DB9
  • Network / Bus: ISA Bus
  • Serial Protocol: RS422; RS485
  • Data Rate: 38.4
1 Port RS232 Low Profile PCI Serial Card -- UC-235
from Brainboxes Limited

Low Profile Universal PCI providing one RS232 serial port. Data transfer rates up to 115,200 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers for all Windows 32 bit and 64 bit... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Data Rate: 115
Four-Port Multi-Protocol RS-232/422/485 PCI Express Mini Cards -- mPCIe-COM-4SM
from ACCES I/O Products, Inc.

Features. PCI Express Mini Card (mPCIe) Type F1, With Latching I/O Connectors. Four And Two-Port mPCIe Serial Cards With Optional DB9M Connectivity. Four Software Selectable Serial Types: RS-232, RS-422, And RS-485 (2Wire & 4Wire). “SM ” Models Support All 3 Serial Types. “S... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express Mini Card
  • Serial Protocol: RS232/422/485
  • Operating System: DOS, Linux (including Mac OS X) and 32-bit and 64-bit Windows, Windows CE
Serial Communication Port Card -- LPCI-COM-4SM
from American Portwell Technology Inc.

Low Profile Quad-port asynchronous RS-232/422/485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-232, RS-422 and RS-485 protocols with auto control for RS-485 under all OS at baud rates up to 921Kbps [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS232/422/485
  • Number of Ports: 4
Dual Port ISARS-422/485 Adapter -- OMG-ULTRA-SI0
from OMEGA Engineering, Inc.

The OMG-ULTRA-SIO provides the PC with two isolated RS-422/485 Asynchronous links to data collection and other devices. Isolation is important in installations where the equipment connected to the PC is either located far from the host system, or on a different power transformer circuit. The optical... [See More]

  • Connector: DB9
  • Operating System: DOS, Windows 95/98/ME/NT/2000/XP, Linux
  • Serial Protocol: RS422; RS485
  • Data Rate: 115
1 Port RS232 PCI Express Serial Card -- PX-246
from Brainboxes Limited

PCI Express Card providing one RS232 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, delivers uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000, XP, Server 2003,... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS232
  • Data Rate: 922
ISA Bus Dual-Port Isolated RS-422/485 Communications and Watchdog Card -- WDG-2S
from ACCES I/O Products, Inc.

FEATURES. Watchdog timer to monitor computer systems. Two Optically-Isolated RS-422/485 Serial Comunication Ports. Computer power supply voltage and temperature monitors. LED status monitors on transmit and receive lines for troubleshooting. Spare 16-bit counter timer. This multifunction card... [See More]

  • Connector: DB9
  • Network / Bus: ISA
  • Serial Protocol: RS422; RS485
  • Agency Approvals: CE Conformity
Serial Communication Port Card -- LPCI-COM-8SM
from American Portwell Technology Inc.

Low Profile Eight-port asynchronous RS-232/422/485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-232/422/485 protocol on any individual port with auto RS-485 control under all OS. [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS232/422/485
  • Number of Ports: 8
Dual Port PCI RS-232 Interface -- OMG-COMM232-PCI
from OMEGA Engineering, Inc.

The OMG-COMM232-PCI provides two RS-232 serial ports for control and automation applications. The onboard interrupt status port provides maximum Windows flexibility. The OMG-COMM232-PCI includes the 16550 UART, providing a 16 byte FIFO to keep your datacom applications running error free. The 16650... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
1 Port RS232 PCI Express Serial Card with LPT Parallel Printer Port -- PX-475
from Brainboxes Limited

PCI Express providing one RS232 serial port, and one LPT printer port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS232
  • Data Rate: 922
ISA Bus RS-232/422/485 Communications Card -- COM-1S
from ACCES I/O Products, Inc.

Features. An independent, completely configurable, serial port. Supports conventional RS232, High-speed RS-422, and Multi-drop RS-485. Supports all standard RS-232 lines: TD, RD, RTS, CTS, DCD, DTR, and DI. Can be wired for 2 or 4 wire RS-422/485 communications. Supports RS-485 handshaking on-board... [See More]

  • Connector: DB9
  • Network / Bus: ISA
  • Serial Protocol: RS232/422/485
  • Number of Ports: 1
Serial Communication Port Card -- LPCI-COM232-4
from American Portwell Technology Inc.

Low Profile Quad-port asynchronous RS-232serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-232 protocol under all OS at baud rates up to 921Kbps [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS232/422/485
  • Number of Ports: 4
Dual Port PCI RS-232/422/485 Interface -- OMG-ULTRACOMM2-PCI
from OMEGA Engineering, Inc.

The OMG-ULTRACOMM2-PCI provides two field selectable RS-232/422/485 serial ports for control and automation applications. Configure both ports as RS-232 for standard serial COM: port requirements. Choose RS-422 for long distance device connections at up to 4000 feet where noise immunity and high... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232; RS422; RS485; RS232/422/485
  • Operating System: DOS, Windows 95/98/ME/NT/2000/XP, Linux
1 Port RS232 PCI Serial Port Card -- UC-246
from Brainboxes Limited

Universal PCI providing one RS232 serial port. Data transfer rates up to 115,200 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers for all Windows 32 bit and 64 bit Operating Systems,... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Data Rate: 115
ISA Bus RS-422/485 Communications Card -- ICOM-2S
from ACCES I/O Products, Inc.

Features. Completely configurable, asychronous serial port (ICOM-2S has two ports). Opto-Isolated against noisy environments. Support conventional High-speed RS-422, and Multi-drop RS-485. Can be wired for 2 or 4 wire RS-422/485 communications. Support RS-485 handshaking on-board without special... [See More]

  • Connector: DB9
  • Network / Bus: ISA
  • Serial Protocol: RS422; RS485
  • Number of Ports: 2
Serial Communication Port Card -- LPCI-COM232-8
from American Portwell Technology Inc.

Low Profile Eight-port asynchronous RS-232 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-232 protocol under all OS at baud rates up to 115.6Kbps [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS232/422/485
  • Number of Ports: 8
Dual Port RS-232 Interface -- OMG-COMM232-EX
from OMEGA Engineering, Inc.

The OMG-COMM232-EX is a PC bus plug-in card based on the 16550 FIFO buffered UART, which is compatible with the standard 8250. This dual channel asynchronous serial communication card utilizes the RS-232 specification to provide RS-232 communication capabilities to your application. Selectable and... [See More]

  • Connector: DB9
  • Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
  • Serial Protocol: RS232
  • Data Rate: 20000
1 Port RS232 plus 1 Port RS422/485 PCI Serial Card -- UC-357
from Brainboxes Limited

Universal PCI providing one RS232 port and one RS422/485 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers for all Windows 32 bit and 64... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232; RS422
  • Data Rate: 922
Isolated PCI Express Four-port RS-232/422/485 Communication Cards -- PCIe-ICM-4SM
from ACCES I/O Products, Inc.

Features. 4 and 2-port PCI Express serial communication cards with DB9M connectivity. 2kV isolation port-to-port and port to computer on ALL signals. Serial protocol (RS-232/422/485) SOFTWARE CONFIGURED per port, stored in EEPROM for auto-configure at next boot. High performance 16C950 class UARTs... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS232/422/485
  • Number of Ports: 4
Serial Communication Port Card -- LPCI-COM422-8
from American Portwell Technology Inc.

Low Profile Eight-port asynchronous RS-422 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-422 protocol under all OS at baud rates up to 921Kbps [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS422; RS485
  • Number of Ports: 8
Dual Port RS-232/422/485 Interface -- OMG-COMM2-EX
from OMEGA Engineering, Inc.

The OMG-COMM2-EX is a PC bus plug-in card based on the 16550 FIFO buffered UART, which is compatible with the standard 8250. This dual channel asynchronous serial communication card utilizes balanced differential drivers and receivers to provide RS-422 and RS-485 communication. Selectable and... [See More]

  • Connector: DB9
  • Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
  • Serial Protocol: RS232; RS422; RS485; RS232/422/485
  • Data Rate: 115
1 Port RS422/485 Low Profile PCI Express Port Card -- PX-320
from Brainboxes Limited

Low profile PCI Express Card providing one RS422/485 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS422
  • Data Rate: 922
PCI Express Four-port RS-232/422/485 Communication Cards -- PCIe-COM-4SMRJ
from ACCES I/O Products, Inc.

Features. Four and two-port PCI Express serial communication cards with on board DB9M or RJ45 connectivity. Serial protocol (RS-232/422/485) SOFTWARE CONFIGURED per port, stored in EEPROM for auto-configure at next boot. High performance 16C950 class UARTs with 128-byte FIFO for each transmit and... [See More]

  • Connector: DB9; RJ-45
  • Network / Bus: PCI Express
  • Serial Protocol: RS232/422/485
  • Number of Ports: 4
Serial Communication Port Card -- LPCI-COM485-8
from American Portwell Technology Inc.

Low Profile Eight-port asynchronous RS-485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-485 protocol with auto RS-485 control under all OS at baud rates up to 921Kbps [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS422; RS485
  • Number of Ports: 8
Eight PortRS-232 Card for the PCI Bus -- OMG-COMM8-PCI
from OMEGA Engineering, Inc.

The OMG-COMM8-PCI plugs into any IBM or compatible computer with the PCI bus, and provides eight RS-232 Async ports for communication servers, terminals, point of sale (POS) systems, and other data collection devices. The on-board interrupt status port provides maximum Windows flexibility. The... [See More]

  • Connector: DB9; DB25; DB-37
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
1 Port RS422/485 Low Profile PCI Express Serial Card Opto Isolated -- PX-376
from Brainboxes Limited

Low profile PCI Express Card providing one opto isolated RS422/485 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmitand 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS422
  • Data Rate: 922
Serial Communications Card -- 104-ICOM-2S
from ACCES I/O Products, Inc.

Features. 2 independent optically-isolated asynchronous serial COM ports. Field selectable RS-422 and RS-485, independent for each port. Auto-RTS feature makes half-duplex RS-485 communications effortless. Fixed bias and jumper selectable termination provided on each transmit and receive channel... [See More]

  • Connector: DB9
  • Operating System: Supported by All Operating Systems and Includes a Free DOS, Linux and Windows 95/98/Me/NT/2000/XP Compatible Software Package
  • Serial Protocol: RS422; RS485
  • Number of Ports: 2
Serial Communication Port Card -- PCI-422-485-2
from American Portwell Technology Inc.

Dual-port, asynchronous RS-422/485 serial communications card that can be installed in any 3.3V or 5V PCI slot in PC computers. Supports RS-422 and RS-485 protocols with auto control for RS-485 under all OS at baud rates up to 460.8Kbps [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS422; RS485
  • Number of Ports: 2
Four Port ISA RS-232 Interface -- OMG-VERSACOMM4-EX-DB25 Series
from OMEGA Engineering, Inc.

The OMG-VERSACOMM4-EX provides the PC with four RS-232 Async links to data collection equipment and other devices. This product features extended interrupt support, individually selectable or sharable interrupts, and an onboard interrupt status port for maximum Windows flexibility. [See More]

  • Connector: DB9; DB25; DB-37
  • Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
  • Serial Protocol: RS232
  • Data Rate: 461
1 Port RS422/485 Low Profile PCI Serial Card -- UC-320
from Brainboxes Limited

Low Profile Universal PCI providing one RS422/485 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers for all Windows 32 bit and 64 bit... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS422
  • Data Rate: 922
Universal PCI, Eight or Four-port RS-232 Serial Communication Card -- LPCI-COM232-4
from ACCES I/O Products, Inc.

Features. Eight or four-port Universal PCI serial communication card. Supports field selectable RS-232, RS-422 or RS-485 (2-wire and 4-wire) protocols. Includes type 16L788 octal UART with 64-Byte FIFO buffers in all modes. Speeds up to 921kbps. Meets MD2 Low Profile PCI Bus Specification. Universal... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Operating System: Windows XP Through Windows 8.1, Including "Server 2008," "Embedded," and "Compact" Flavors in Both 32-bit and 64-bit for All Plug-and-play Products
Serial Communication Port Card -- PCI-COM-2S
from American Portwell Technology Inc.

Dual-port, asynchronous RS-232/422/485 serial communications card that can be installed in any 3.3V or 5V PCI slot in PC computers. Supports RS-232, RS-422 and RS-485 protocols with auto control for RS-485 under all OS at baud rates up to 460.8Kbaud for RS-422/485 and 115.2Kbps for RS-232. [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS232/422/485
  • Number of Ports: 2
Four Port ISA RS-422/485 Interface -- OMG-ULTRA-COMM422
from OMEGA Engineering, Inc.

The OMG-ULTRA-COMM422 provides the PC with four RS-485/422 Asynchronous links to data collection or other devices. Individually selectable addresses and extended AT interrupts allow for seamless integration into DOS, Windows 3.1x/95/98/ME/NT/2000/XPNT and OS/2 systems. The OMG-ULTRA-COMM422 appears... [See More]

  • Connector: DB9
  • Operating System: DOS, Windows 95/98/ME/NT/2000/XP
  • Serial Protocol: RS422; RS485
  • Data Rate: 460
1 Port RS422/485 PCI Express Serial Card -- PX-324
from Brainboxes Limited

PCI Express Card providing one RS422/485 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS422
  • Data Rate: 922
USB Isolated I/O and Serial Communication Board -- USB-IIRO4-2SM
from ACCES I/O Products, Inc.

Features. Multifunction I/O board with isolated digital I/O and serial communication. High-speed USB 2.0 device, USB 3.0 and 1.1 compatible. Four optically isolated digital inputs. Four Form C electromechanical 1A relays. Two serial ports, field selectable RS-232/422/485. Small (4"x4"X1.8") rugged... [See More]

  • Connector: DB9
  • Network / Bus: USB
  • Serial Protocol: RS232/422/485
  • Operating System: Windows XP Through Windows 8.1, Including "Server 2008," "Embedded," and "Compact" Flavors in Both 32-bit and 64-bit for All Plug-and-play Products
Serial Communication Port Card -- PCI-COM422-4
from American Portwell Technology Inc.

Four-port, asynchronous RS-422 serial communications card designed for use in PCI-Bus computers with half card 3.3V or 5V slots at baud rates up to 460.8Kbps. [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS422
  • Number of Ports: 4
Four Port PCI RS-422/485 Interface -- OMG-ULTRACOMM422-PCI Series
from OMEGA Engineering, Inc.

The OMG-ULTRACOMM422-PCI provides four PCI bus RS-422/485 Async links for data collection and other devices. In RS-485 mode, our auto enable feature enables the RS-485 line driver during character transmission and disables it afterward allowing the standard COM: driver to be utilized. The onboard... [See More]

  • Connector: DB9; DB-37
  • Network / Bus: PCI
  • Serial Protocol: RS422; RS485
  • Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
1 Port RS422/485 PCI Serial Card -- UC-324
from Brainboxes Limited

Universal PCI providing one RS422/485 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers for all Windows 32 bit and 64 bit Operating... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS422
  • Data Rate: 922
Serial Communication Port Card -- PCI-COM485-4
from American Portwell Technology Inc.

Four-port, asynchronous serial communications card designed for use in PCI-Bus systems [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS485
  • Number of Ports: 4
Low Profile PCI 4-Port RS-232 Board -- OMG-COMM4-LPCI / OMG-COMM4-PCI
from OMEGA Engineering, Inc.

The OMG-COMM4-LPCI-DB25 Low Profile PCI serial interface provides four RS-232 serial ports, each capable of data rates to 460.8K bps. Each RS-232 port implements all modem control signals for maximum compatibility with a wide range of peripherals. The board is MD1 Low Profile and Universal Bus (3.3... [See More]

  • Connector: DB9; DB25
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Operating System: Windows 98/2000/XP, Linux
1 x RS422/485 PCI Express Serial Port Card With Opto Isolation -- PX-387
from Brainboxes Limited

PCI Express Card providing one opto isolated RS422/485 serial port. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmitand 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS422
  • Data Rate: 922
Serial Communication Port Card -- PCI-ICM-1S
from American Portwell Technology Inc.

Single port asynchronous optically isolated RS-422/485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-422 and RS-485 protocols with auto control for RS-485 under all OS at baud rates up to 460.8Kbps [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS422; RS485
  • Number of Ports: 1
2 Port RS232 Low Profile PCI Express Serial Card -- PX-101
from Brainboxes Limited

PCI Express Card providing two RS232 serial ports. Low profile board gives first serial port on the bracket, with a second serial port on a fly lead. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, delivers uncompromising performance on your... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS232
  • Data Rate: 922
Serial Communication Port Card -- PCI-ICM-2S
from American Portwell Technology Inc.

Dual port asynchronous optically isolated RS-422/485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-422 and RS-485 protocols with auto control for RS-485 under all OS at baud rates up to 460.8Kbps [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS422; RS485
  • Number of Ports: 2
2 Port RS232 Low Profile PCI Serial Port Card -- UC-101
from Brainboxes Limited

Universal PCI providing two low profile RS232 serial ports. Data transfer rates up to 115,200 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Includes drivers for all Windows 32 bit and 64 bit... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Data Rate: 115
Serial Communication Port Card -- PCI-ICM422-4
from American Portwell Technology Inc.

Four-port, optically isolated asynchronous RS-422 serial communications card designed for use in PCI-Bus computers with 3.3V or 5V slots at baud rates up to 460.8Kbps. Fits in any slot that can accommodate "long" cards and is designed to provide effective communication on long communication lines in... [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS422
  • Number of Ports: 4
2 Port RS232 Low Profile PCI Serial Port Card -- UC-253
from Brainboxes Limited

Low Profile Universal PCI providing two RS232 serial ports on cable. Data transfer rates up to 115,200 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers for all Windows 32 bit and 64... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Data Rate: 115
Serial Communication Port Card -- PCI-ICM485-4
from American Portwell Technology Inc.

Four-port, optically isolated asynchronous RS-485 serial communications card designed for use in PCI-Bus computers with 3.3V or 5V slots at baud rates up to 460.8Kbps. Fits in any slot that can accommodate "long" cards and is designed to support Auto RS-485 control and support for multidrop... [See More]

  • Connector: DB9
  • Network / Bus: PCI; PCI-X
  • Serial Protocol: RS485
  • Number of Ports: 4
2 Port RS232 PCI Express Serial Card -- PX-257
from Brainboxes Limited

PCI Express Card providing two RS232 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, delivers uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000, XP, Server 2003,... [See More]

  • Connector: DB9
  • Network / Bus: PCI Express
  • Serial Protocol: RS232
  • Data Rate: 922
2 Port RS232 PCI Serial Card -- UC-302
from Brainboxes Limited

Universal PCI providing two RS232 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers for all Windows 32 bit and 64 bit Operating... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Data Rate: 922
2 Port RS232 PCI Serial Card with LPT Parallel Printer Port -- UC-475
from Brainboxes Limited

Universal PCI providing one RS232 serial port, one LPT printer port and an optional RS232 port on a fly lead. Data transfer rates up to 115,200 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Data Rate: 115
2 Port RS232 PCI Serial Card with max 230,400 baud rate -- UC-607
from Brainboxes Limited

Universal PCI card provides 2 industry standard 9 pin RS232 serial COM ports in a single PCI slot, capable of baud rates up to 230,400.Includes drivers for all Windows 32 bit and 64 bit Operating Systems, including Windows 8. [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Data Rate: 230
2 Port RS232 PCI Serial Port Card -- UC-257
from Brainboxes Limited

Universal PCI providing two RS232 serial ports, with an option of a printer port connected via flylead. Data transfer rates up to 115,200 baud and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC.Includes drivers... [See More]

  • Connector: DB9
  • Network / Bus: PCI
  • Serial Protocol: RS232
  • Data Rate: 115