RS485 Serial Communications Computer Boards
from Advantech
2-port Isolated RS-232/422/485 Communication Module. Data Bits: 5, 6, 7, 8. Stop Bits: 1, 1.5, 2. Parity: None, even, odd. Baud Rate: 50 bps ~ 230.4 kbps. Data Signals: RS-232: TxD, RxD, GND RS-422: Tx+, Tx-, Rx+, RXRS-485: Data+, Data-. FIFO: 256 bytes. Flow Control: Xon/Xoff [See More]
- Serial Protocol: RS232; RS422; RS485
- Agency Approvals: FCC; CE Conformity
- Network / Bus: PCI; 1 x PCIe x1
- Operating Temperature: -10 to 60
from RS Components, Ltd.
StarTech.com PCI2S4851050 Serial Card [See More]
- Serial Protocol: RS422; Rs422, rs485
- Data Rate: 128
- Network / Bus: Serial
- Number of Ports: 2
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 10/11, and Linux. XR17V352 UART with... [See More]
- Serial Protocol: RS232; RS422; RS485
- Connector: DB9; 2 x DB9 male connector
from RS Components, Ltd.
Siemens 6GK1561-3AA02 Serial Card [See More]
- Serial Protocol: RS422; RS485; RS485
- Data Rate: 12000
- Network / Bus: PCI
- Number of Ports: 1
from Advantech
2-port RS-232/422/485 PCIe 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]
- Serial Protocol: RS232; RS422; RS485
- Operating Temperature: -10 to 60
- Connector: DB9; 2 x DB9 male connector
from RS Components, Ltd.
Siemens 6GK7542-5FX10-0XE0 Serial Card [See More]
- Serial Protocol: RS422; RS485; RS485
- Number of Ports: 1
- Network / Bus: Serial
- Connector: RS485
from Advantech
3U CompactPCI ® RS-232/422/485 Serial Communication Card. 4-Port/8-Port RS-232/422/485 isolated. 32bit 33MHz PCI bus backplane. Speed up to 921600bps. UART 16C550 Compatible 5G Register Set. 2KV Surge protection. Support 5V only power input. Support Front Line out & Rear Line out. PICMG 2.0... [See More]
- Serial Protocol: RS232; RS422; RS485
- Operating Temperature: -40 to ?
from RS Components, Ltd.
Siemens 6GK1562-3AA00 Serial Card [See More]
- Serial Protocol: RS422; RS485; RS485
- Number of Ports: 1
- Network / Bus: Serial
- Connector: RS485
from Advantech
4-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. 4 x RS-232 or RS- 232/422/485 ports. Supported operating systems: Windows 10/11, and Linux. XR17V354 UART with... [See More]
- Serial Protocol: RS232; RS422; RS485
- Connector: 1 x DB37 female connector
from RS Components, Ltd.
MOXA CP-132EL-DB9M Serial Board [See More]
- Serial Protocol: RS232; RS422; RS485, RS232
- Data Rate: 922
- Network / Bus: PCIe
- Number of Ports: 2
from Advantech
4-port RS-232/422/485 PCIe 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. 4 x RS-232 or RS- 232/422/485 ports. Operating systems supported: Windows XP/Vista/7/8/10, Linux. [See More]
- Serial Protocol: RS232; RS422; RS485
- Operating Temperature: -10 to 60
- Connector: 1 x DB37 female connector
from RS Components, Ltd.
MOXA CP-132UL-DB9M Serial Card [See More]
- Serial Protocol: RS422; RS485; RS422, RS485
- Data Rate: 922
- Network / Bus: PCI; Serial
- Number of Ports: 4
from Advantech
8-port RS-232/422/485 PCI Communication Card w/Surge & Isolation. PCI bus 2.2 compliant. Speeds up to 921.6 kbps for extremely fast data transmission. Supports any baud rate setting. 8 x RS-232 or RS-232/422/485 ports. XR17V358 UART with 256-byte FIFOs. Supported operating systems: Windows... [See More]
- Serial Protocol: RS232; RS422; RS485
- Connector: 1 x DB62 female connector
from RS Components, Ltd.
MOXA CP-132UL-T Serial Card [See More]
- Serial Protocol: RS422; RS485; RS422, RS485
- Data Rate: 922
- Network / Bus: PCI; Serial
- Number of Ports: 2
from Advantech
8-port RS-232/422/485 PCI Express Communication Card. PCI Express bus 2.0 compliant. Speeds up to 921.6 kbps for extremely fast data transmission. Supports any baud rate setting. 8 x RS-232 or RS-232/422/485 ports. XR17V358 UART with 256-byte FIFOs [See More]
- Serial Protocol: RS232; RS422; RS485
- Operating Temperature: -10 to 60
- Connector: 1 x DB62 female connector
from RS Components, Ltd.
Brainboxes UC-324 Serial Card [See More]
- Serial Protocol:
- Data Rate: 922
- Network / Bus: Serial
- Number of Ports: 1
from Advantech
iDoor Module: 2-Ports Isolated RS-422/485 mPCIe, DB9. Meets Advantech Standard iDoor Technology. PCI Express ® Mini Card Specification Revision 1.2 compliant. Speeds up to 921.6 kbps for extremely fast data transmission. Supports any baud rate setting (50bps~921.6kbps). Supports both Isolated... [See More]
- Serial Protocol: RS422; RS485
- Operating Temperature: -20 to 60
- Connector: DB9; 2 x DB9 male connector
from RS Components, Ltd.
Brainboxes UC-313 Serial Card [See More]
- Serial Protocol: RS232; Rs232
- Data Rate: 922
- Network / Bus: Serial
- Number of Ports: 2
from Advantech
iDoor Module: 4-Ports Non-Isolated RS-422/485 mPCIe, DB37. Meets Advantech Standard iDoor Technology. PCI Express ® Mini Card Specification Revision 1.2 compliant. Speeds up to 921.6 kbps for extremely fast data transmission. Supports any baud rate setting (50bps~921.6kbps). Supports both... [See More]
- Serial Protocol: RS422; RS485
- Operating Temperature: -20 to 60
- Connector: 1 x DB37 female connector
from RS Components, Ltd.
Brainboxes UC-346 Serial Card [See More]
- Serial Protocol: RS422; Rs422, rs485
- Data Rate: 922
- Network / Bus: Serial
- Number of Ports: 4
from Advantech
USB to 2-Ch High Speed RS-422/RS-485 Port Module. USB to 2-Ch High Speed RS-422/RS-485 port module. Full size Mini PCIe & Module type combo. MiniPCIe thru USB & USB Pin Header. FIFO buffer 4K byte transfer, 4K byte receiver. Widely temperature from -40 ~ 85 degree [See More]
- Serial Protocol: RS422; RS485
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
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
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
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
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
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]
- Serial Protocol: RS422; RS485
- Number of Ports: 8
- Network / Bus: PCI; PCI-X
- Connector: DB9
from Opto 22
ISA Bus Serial Port RS422/485, Isolated [See More]
- Serial Protocol: RS422; RS485
- Data Rate: 38.4
- Network / Bus: ISA Bus
- Number of Ports: 1
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]
- Serial Protocol: RS232; RS422; RS485; RS232/422/485
- Operating System: DOS, Windows 95/98/ME/NT/2000/XP, Linux
- Network / Bus: PCI
- Data Rate: 461
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]
- Serial Protocol: RS422; RS485
- Connector: DB9
- Network / Bus: ISA
- Agency Approvals: CE Conformity
from Moxa Inc.
The CA-132/132I PC/104 modules are reliable, high performance, multiport serial communication solutions that have 2 RS-422/485 ports, and can be used with PC/104 CPU boards that accept the PC/104 expansion interface. Optional DB9 and DB25 connection cables are available for connecting to serial... [See More]
- Serial Protocol: RS422; RS485
- Operating System: Windows, Linux, FreeBSD, DOS
- Network / Bus: PC/104 (PC/104-Plus, EBX, ETX)
- Data Rate: 230
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]
- Serial Protocol: RS422; RS485
- Number of Ports: 8
- Network / Bus: PCI; PCI-X
- Connector: DB9
from Opto 22
ISA Bus Serial Port RS422/485, Non-isolated [See More]
- Serial Protocol: RS422; RS485
- Data Rate: 38.4
- Network / Bus: ISA Bus
- Number of Ports: 1
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]
- Serial Protocol: RS232; RS422; RS485; RS232/422/485
- Data Rate: 115
- Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
- Number of Ports: 2
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]
- Serial Protocol: RS422; RS485
- Connector: DB25
- Network / Bus: ISA
- Agency Approvals: CE Conformity
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]
- Serial Protocol: RS422; RS485
- Operating System: Windows, Linux, FreeBSD, DOS
- Network / Bus: PCI
- Data Rate: 922
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]
- Serial Protocol: RS422; RS485
- Number of Ports: 2
- Network / Bus: PCI; PCI-X
- Connector: DB9
from Opto 22
The PCI-AC48 is an isolated, high-speed adapter card designed to link RS-485 serial devices, such as Opto 22's B3000 brains and B1/B2 brain boards, with computers using the Peripheral Component Interconnect (PCI) bus. This adapter card is ideal for customers who have been using Opto 22's AC37... [See More]
- Serial Protocol: RS485
- Data Rate: 461
- Network / Bus: PCI
- Number of Ports: 2
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]
- Serial Protocol: RS422; RS485
- Data Rate: 460
- Operating System: DOS, Windows 95/98/ME/NT/2000/XP
- Number of Ports: 4
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]
- Serial Protocol: RS422; RS485
- Number of Ports: 2
- Network / Bus: ISA
- Connector: DB9
from American Portwell Technology Inc.
Four-port, asynchronous serial communications card designed for use in PCI-Bus systems [See More]
- Serial Protocol: RS485
- Number of Ports: 4
- Network / Bus: PCI; PCI-X
- Connector: DB9
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]
- Serial Protocol: RS422; RS485
- Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
- Network / Bus: PCI
- Data Rate: 461
from ACCES I/O Products, Inc.
Features. Four independent, completely configurable, serial ports. Supports High-speed RS-422 (COM422/4) or Multi-drop RS-485 (COM485/4). Supports RS-485 handshaking on-board without special drivers to support Windows and non-DOS programs (COM485/4 only). Built-in support for local echo, line... [See More]
- Serial Protocol: RS422; RS485
- Number of Ports: 4
- Network / Bus: ISA
- Agency Approvals: CE Conformity
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]
- Serial Protocol: RS422; RS485
- Number of Ports: 1
- Network / Bus: PCI; PCI-X
- Connector: DB9
from OMEGA Engineering, Inc.
The OMG-ACB Series provides the PC-based system with single/dual high-speed synchronous/ asynchronous links to instruments requiring extremely fast data flow. The RS-422 communications standard allows the OMG-ACB to communicate reliably at high speeds under harsh conditions, which makes it an ideal... [See More]
- Serial Protocol: RS232; RS422; RS485; RS232/422/485; RS-530
- Data Rate: 1229
- Operating System: DOS, Windows 95/98/ME/NT/2000/XP
- Number of Ports: 2
from ACCES I/O Products, Inc.
Features. Supports RS-422 and RS-485 asynchronous communication on the ISA bus. Automatic control of RS-485 driver under Windows systems. Includes type 16550 UARTs with 16-byte FIFO buffers. Can be set up as COM1, 2, 3, 4, or any other I/O bus address. Baud rates up to 460,800 baud. Model... [See More]
- Serial Protocol: RS422; RS485
- Number of Ports: 1
- Network / Bus: ISA
- Connector: DB25
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]
- Serial Protocol: RS422; RS485
- Number of Ports: 2
- Network / Bus: PCI; PCI-X
- Connector: DB9
from OMEGA Engineering, Inc.
The ULTRA-485 provides a PC with a direct RS-422/485 asynchronous link to data collection and other devices. Individually selectable address and extended 'AT' interrupts make for seamless integration into OS/2 and Windows. The ULTRA-485 eliminates communications roadblocks under Windows and OS/2 due... [See More]
- Serial Protocol: RS422; RS485
- Data Rate: 115
- Operating System: DOS, Windows 3.1/95/98/ME/NT/2000/XP
- Number of Ports: 1
from ACCES I/O Products, Inc.
FEATURES. Universal PCI, PCI-X, 3.3V and 5V compatible (Call for PCI-Express availability). Optically isolated, asynchronous serial communications. Supports RS-422 and RS-485 protocols. Automatic control of RS-485 driver under all operating systems. Includes type 16550 UART with 16-byte FIFO... [See More]
- Serial Protocol: RS422; RS485
- 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
- Network / Bus: PCI
- Number of Ports: 1
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]
- Serial Protocol: RS485
- Number of Ports: 4
- Network / Bus: PCI; PCI-X
- Connector: DB9
from OMEGA Engineering, Inc.
The OMG-ULTRA-485-PCI is a single channel PCI bus serial I/O adaptor. It provides one field selectable RS-422/485/530 serial port supporting asynchronous data rates up to 460.8K bps. The OMG-ULTRA-485-PCI utilizes the 16850 UART communications chip which features programmable baud rates, data... [See More]
- Serial Protocol: RS422; RS485; RS-530
- Data Rate: 461
- Network / Bus: PCI
- Number of Ports: 1
from ACCES I/O Products, Inc.
Features. 8, 4, or 2 independent 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. Speeds up to 921.6K. Fixed bias and jumper selectable termination provided on each transmit and receive... [See More]
- Serial Protocol: RS422; RS485
- Operating System: Supported for Use in All Operating Systems and Include a Free DOS, Linux and Windows 95/98/Me/NT/2000/XP/2003 Compatible Software Package
- Network / Bus: PC/104 (PC/104-Plus, EBX, ETX)
- Number of Ports: 2
from ACCES I/O Products, Inc.
Features. 8, 4, and 2-port PCI-104 serial communication boards. High performance octal PCI UART. Field selectable RS-232, RS-422, and RS-485 protocols, jumper configured per port. Speeds up to 1.8432Mbps in RS-422/485 modes (RS-232 up to 921.6 kbps). 16550 compatible register set with 64-byte FIFO... [See More]
- Serial Protocol: RS422; RS485
- Operating System: Supported by All Operating Systems as Standard Serial Ports. All Boards Include a Free DOS, Linux and Windows XP/Vista/7 Compatible Software Package
- Network / Bus: PC/104 (PC/104-Plus, EBX, ETX)
- Number of Ports: 2
from ACCES I/O Products, Inc.
FEATURES. Universal PCI, PCI-X, 3.3V and 5V compatible (Call for PCI-Express availability). Supports RS-422 and RS-485 protocols. Automatic control of RS-485 driver under all operating systems. Includes type 16550 UART with 16-byte FIFO buffers. Baud rates up to 460,800 baud. Detected as standard... [See More]
- Serial Protocol: RS422; RS485
- 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
- Network / Bus: PCI
- Number of Ports: 1
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]
- Serial Protocol: RS422; RS485
- Number of Ports: 2
- Operating System: Supported by All Operating Systems and Includes a Free DOS, Linux and Windows 95/98/Me/NT/2000/XP Compatible Software Package
- Connector: DB9