RS485 Serial Communications Computer Boards

2 Port Isolated RS-422/485 mPCIe -- PCM-24D2R4
from Advantech

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 for automation control, Wi-Fi/3G/GPS/GSM/LTE... [See More]

  • Serial Protocol: RS422; RS485
  • Operating System: Windows 2000/XP/Vista/7, Linux 2.4/2.6
  • Network / Bus: PCI Express Mini Card Revision 1.2
  • Data Rate: 922
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]

  • Serial Protocol: RS422; RS485
  • Data Rate: 115
  • Operating System: DOS, Windows 95/98/ME/NT/2000/XP, Linux
  • Number of Ports: 2
3575535 [CC-525 from Brainboxes Limited]
from RS Components, Ltd.

Ideal for ultra fast data transfer applications. Auto-gating for efficient use in half duplex mode under multi-tasking operating systems. Handshaking for use in full duplex. Full open and short circuit protection. Bus Type = PCI. Communication Interface = Serial. Number of Ports = 2. Connection Port... [See More]

  • Serial Protocol: RS422; RS485
  • Data Rate: 15000
  • Network / Bus: PCI
  • Number of Ports: 2
ISA Bus 8-Port Serial Communications Card -- COM485/8
from ACCES I/O Products, Inc.

Features. Eight independent RS-485 serial ports. Type 16550 buffered UART. Automatic send-data control for Windows compatibility. Extended AT bus interrupts (2-7, 10-12, 14, 15) that are shared. Baud rates to 115Kbaud. Versatile address selection. COM485/8 is an eight-port asynchronous serial... [See More]

  • Serial Protocol: RS485
  • Number of Ports: 8
  • Network / Bus: ISA
  • Agency Approvals: CE Conformity
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]

  • Serial Protocol: RS422; RS485
  • Number of Ports: 1
  • Network / Bus: PCI; PCI-X
  • Connector: DB9
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]

  • Serial Protocol: RS422; RS485
  • Operating System: Windows 7, Server 2008, Vista, Server 03
  • Network / Bus: PCI-Express
  • Data Rate: 921600
4-Port RS-422/485 ISA Board -- CI-134I
from Moxa Inc.

The CI-134 series ISA boards come with 4 independent RS-422/485 serial ports for connecting data acquisition equipment and other serial devices to a PC. Connect your devices over longer distances —up to 1.2 km (4000 ft) —and ensure greater reliability in industrial environments with... [See More]

  • Serial Protocol: RS422; RS485
  • Operating System: Windows, Linux, FreeBSD, DOS
  • Network / Bus: ISA
  • Data Rate: 922
ISA Bus High Speed Serial Co-Processor -- AC37
from Opto 22

ISA Bus High Speed Serial Co-processor, RS-485 [See More]

  • Serial Protocol: RS485
  • Data Rate: 461
  • Network / Bus: ISA Bus
  • Number of Ports: 1