ACCES I/O Products, Inc. Datasheets for Serial Communications Products

Serial communication products are used in industrial and commercial systems to transmit data bit-by-bit, or sequentially, over a single wire. They include serial servers, serial hubs, serial adapters, serial data converters, serial routers, and serial multiplexers.
Serial Communications Products: Learn more

Product Name Notes
PC/104 Eight-Port RS-422/485 Serial Communication -- 104-COM-8S
PC/104 Four-Port RS-422/485 Serial Communication -- 104-COM-4S
PC/104 Eight- and Four-Port RS-422/485 Serial Communication These are eight or four-port, asynchronous, serial communication boards designed for use on the PC/104 bus. They support RS-485 and RS-422 communications. The...
PC/104 Eight-Two Port Serial Communication Board -- 104-COM-8SM PC/104 Eight-, Four-, and -Two Port Serial Communication Board This is an eight-, four-, or two-port, asynchronous, serial communication board designed for use on the PC/104 bus. It supports RS-232,...
Serial Data Converter -- CONV232/422
Serial Data Converter -- CONV232/485
Serial Data Converter CONV232/485 and CONV232/422 convert between RS-232 communications (as used by the COM1 and COM2 ports standard on most motherboards) and balanced-mode, long distance RS-485 and RS-422 communications.
Serial Communications Card -- 104-ICOM-2S 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...
Isolated PCI Express Four-port RS-232 Communication Cards -- PCIe-ICM232-4
Isolated PCI Express Four-port RS-232/422/485 Communication Cards -- PCIe-ICM-4SM
Isolated PCI Express Four-port RS-422/485 Communication Cards -- PCIe-ICM-4S
Isolated PCI Express Two-port RS-232 Communication Cards -- PCIe-ICM232-2
Isolated PCI Express Two-port RS-232/422/485 Communication Cards -- PCIe-ICM-2SM
Isolated PCI Express Two-port RS-422/485 Communication Cards -- PCIe-ICM-2S
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...
2-Port RS-232 Serial Communication -- 104-COM232-2
4-Port RS-232 Serial Communication -- 104-COM232-4
8-Port RS-232 Serial Communication -- 104-COM232-8
Features 8, 4 or 2 RS-232 asynchronous serial COM ports Speeds up to 230.4K with 64-byte FIFO Programmable IRQ sharing simplifies system design and installation Low power required: +5VDC at...
PCI-104 2-port RS-232/422/485 Serial Communication Board -- 104I-COM-2SM
PCI-104 2-port RS-422/485 Serial Communication Board -- 104I-COM-2S
PCI-104 4-port RS-232/422/485 Serial Communication Board -- 104I-COM-4SM
PCI-104 4-port RS-422/485 Serial Communication Board -- 104I-COM-4S
PCI-104 8-port RS-422/485 Serial Communication Board -- 104I-COM-8S
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...
PC/104 Four-Two Port Serial Communication Boards -- 104-COM-4SM
PC/104 Two-Port Serial Communication Boards -- 104-COM-2SM
Features 8, 4, or 2 independent asynchronous serial COM ports Field selectable RS-232, RS-422 and RS-485, independent for each port Auto-RTS feature makes half-duplex RS-485 communications effortless Speeds up to...
PC/104 Two-Port RS-422/485 Serial Communication -- 104-COM-2S 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...
Serial Interface Cards -- PCI-COM422/8
Serial Interface Cards -- PCI-COM485/8
Features This product has been discontinued. Please contact us for help in finding a suitable replacement. Great News! ACCES has designed the replacement for this discontinued product. Just a click...
Single Port USB to RS-232, RS-422 and RS-485 Serial Adapters -- USB-232
Single Port USB to RS-232, RS-422 and RS-485 Serial Adapters -- USB-422
Single Port USB to RS-232, RS-422 and RS-485 Serial Adapters -- USB-485
Features Add a RS-232, RS-422 or RS485 serial port to any USB equipped computer Data transfer rates up to 920K baud Built in six foot cable Plug-n-Play allowing quick connect/disconnect...
ISA Bus RS-232/422/485 Communications Card -- COM-1S 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...
RS-232 Serial Adapter for Android Devices -- ANDROID-232 Features Android USB 2.0 Full-Speed Host to industry standard RS-232 DB9M serial port Supports UART interface with RX, TX, RTS and CTS RX buffer size 5512 bytes; TX buffer size...
ISA Bus RS-422/485 Communications Card -- ICOM-2S 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...
PCI Express Eight-port RS-232 Serial Card with 3’ DB9M Breakout Cable -- PCIe-COM232-8
PCI Express Four-port RS-232 Serial Card with 3’ DB9M Breakout Cable -- PCIe-COM232-4
Features Eight or four-port PCI Express RS-232 serial communication cards Low profile PCIe MD1 form factor, MD1 defines the shortest standard card length available High performance 16C950 class UARTs with...
PCI Express Eight-port RS-232/422/485 Serial Card with 3’ DB9M Breakout Cable -- PCIe-COM-8SM
PCI Express Eight-port RS-422 Serial Card with 3’ DB9M Breakout Cable -- PCIe-COM422-8
PCI Express Eight-port RS-485 Serial Card with 3’ DB9M Breakout Cable -- PCIe-COM485-8
PCI Express Four-port RS-232/422/485 Serial Card with 3’ DB9M Breakout Cable -- PCIe-COM-4SM
PCI Express Four-port RS-422 Serial Card with 3’ DB9M Breakout Cable -- PCIe-COM422-4
PCI Express Four-port RS-485 Serial Card with 3’ DB9M Breakout Cable -- PCIe-COM485-4
Features Eight or four-port PCI Express serial communication cards Serial protocol (RS-232/422/485) SOFTWARE CONFIGURED per port, stored in EEPROM for auto-configure at next boot Low profile PCIe MD2 form factor,...
Universal PCI, Eight or Four-port RS-232 Serial Communication Card -- LPCI-COM232-4
Universal PCI, Eight or Four-port RS-232/422/485 Serial Communication Card -- LPCI-COM-8SM
Universal PCI, Eight-port RS-232 Serial Communication Card -- LPCI-COM232-8
Universal PCI, Four-port RS-232/422/485 Serial Communication Card -- LPCI-COM-4SM
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...
PCI Express Four-port RS-232 Communication Cards -- PCIe-COM232-4DB
PCI Express Four-port RS-232 Communication Cards -- PCIe-COM232-4RJ
PCI Express Four-port RS-232/422/485 Communication Cards -- PCIe-COM-4SMDB
PCI Express Four-port RS-232/422/485 Communication Cards -- PCIe-COM-4SMRJ
PCI Express Four-port RS-422/485 Communication Cards -- PCIe-COM-4SDB
PCI Express Four-port RS-422/485 Communication Cards -- PCIe-COM-4SRJ
PCI Express Two-port RS-232 Communication Cards -- PCIe-COM232-2DB
PCI Express Two-port RS-232 Communication Cards -- PCIe-COM232-2RJ
PCI Express Two-port RS-232/422/485 Communication Cards -- PCIe-COM-2SMDB
PCI Express Two-port RS-232/422/485 Communication Cards -- PCIe-COM-2SMRJ
PCI Express Two-port RS-422/485 Communication Cards -- PCIe-COM-2SDB
PCI Express Two-port RS-422/485 Communication Cards -- PCIe-COM-2SRJ
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...
ISA Bus RS-422/485 Communications Cards -- COM422/4
ISA Bus RS-422/485 Communications Cards -- COM485/4
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)...
USB to 4 RS232/422/485 Ports -- USB-COM232-4A
USB to 4 RS232/422/485 Ports -- USB-FLEXCOM4
Features Four-port serial communications adapter Full-speed USB 2.0 device, USB 3.0 and 1.1 compatible Supports field selectable RS-232, RS-422 or RS-485 protocols, per port Includes type FT232BM UART with 384-byte...
PC/104-Plus 8-port RS-232 Serial Communication Board -- P104-COM232-8
PCI-104 2-port RS-232 Serial Communication Board -- 104I-COM232-2
PCI-104 4-port RS-232 Serial Communication Board -- 104I-COM232-4
PCI-104 8-port RS-232 Serial Communication Board -- 104I-COM232-8
Features High Performance Octal PCI UART 16550 Compatible Register Set Up to 460Kb/s Serial Data Rate Global Interrupt Source Register Data Transfer in Byte, Word, and Double-Word 64-Byte Transmit and...
USB Isolated I/O and Serial Communication Board -- USB-IIRO-4-2SM
USB Isolated I/O and Serial Communication Board -- USB-IIRO4-2SM
USB Isolated I/O and Serial Communication Board -- USB-IIRO4-DB
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...
Four-Port Multi-Protocol RS-232 PCI Express Mini Cards -- mPCIe-COM232-4
Four-Port Multi-Protocol RS-232/422/485 PCI Express Mini Cards -- mPCIe-COM-4SM
Four-Port Multi-Protocol RS-422/485 PCI Express Mini Cards -- mPCIe-COM-4S
Two-Port Multi-Protocol RS-232 PCI Express Mini Cards -- mPCIe-COM232-2
Two-Port Multi-Protocol RS-232/422/485 PCI Express Mini Cards -- mPCIe-COM-2SM
Two-Port Multi-Protocol RS-422/485 PCI Express Mini Cards -- mPCIe-COM-2S
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...
Rugged, Industrial Strength, Single Port USB to RS-232, RS-422 and RS-485 Serial Converters with Extended Temperature Operation -- USB-232-IND
Rugged, Industrial Strength, Single Port USB to RS-232, RS-422 and RS-485 Serial Converters with Extended Temperature Operation -- USB-422-IND
Rugged, Industrial Strength, Single Port USB to RS-232, RS-422 and RS-485 Serial Converters with Extended Temperature Operation -- USB-485-IND
Features RoHS compliant, single-port serial communications adapter for USB 2.0 or 3.0 Add a RS-232, RS-422 or RS485 serial port to any USB equipped computer Compact, industrial, military-grade metal backshell...
Rugged, Industrial Grade, 4-Port High-Speed USB 2.0 Hub with High-Retention USB Connectors and Extended Temperature Operation -- USB-104-HUB
Rugged, Industrial Grade, 4-Port High-Speed USB 2.0 Hub with High-Retention USB Connectors and Extended Temperature Operation -- USB-3.5-HUB
Features Rugged, industrialized, four-port USB hub High-speed USB 2.0 device, USB 3.0 and 1.1 compatible Extended temperature (-40°C to +85°C) for industrial grade applications Data transfer rates up to 480...
Two-Port USB to Serial RS-232/422/485 Adapter -- USB-COM-2SM FEATURES Serial adapter for USB 1.1 and 2.0 port hosts Two serial ports—field selectable RS-232/422/485 Small, (4" x 4" x 1.8") rugged industrial enclosure PC/104 module size and mounting compatibility...
ISA Bus Serial Communications Cards -- COM422/485A
ISA Bus Serial Communications Cards -- ICOM422/485A
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...
ISA Bus RS-232/422/485 Communications Card -- COM-2S Features Two independent, completely configurable, serial ports 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...
Dual-Port Serial Interface Cards -- PCI-422/485-2
Dual-Port Serial Interface Cards -- PCI-COM-2S
Features Universal PCI, PCI-X, 3.3V and 5V compatible (Call for PCI-Express availability) Dual-port serial communications card for PCI bus Supports RS-232(PCI-COM2S only), RS-422, and RS-485 protocols Automatic control of RS-485...
Universal PCI, RS-422 Serial Interface Cards -- LPCI-COM422-8
Universal PCI, RS-485 Serial Interface Cards -- LPCI-COM485-8
Features Universal PCI, PCI-X, 3.3V and 5V compatible (Call for PCI-Express availability) Eight-Port, RS-422 or RS-485 protocols Speeds up to 921Kbps Include type 16550 UARTs (optional 16850) Meets MD2 Low...
Serial Interface Cards -- PCI-COM422/4 Features Universal PCI, PCI-X, 3.3V and 5V compatible (Call for PCI-Express availability) Four-port serial communications card for PCI bus Supports RS-422 protocol Includes type 16550 UART with 16-byte FIFO buffers...
Serial Interface Cards -- PCI-COM485/4 Features Universal PCI, PCI-X, 3.3V and 5V compatible (Call for PCI-Express availability) Four-port serial communications card for PCI bus Supports RS-485 multidrop networks Includes type 16550 UART with 16-byte FIFO...
Isolated Serial Communication Card -- PCI-ICM-1S 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...
Isolated Serial Interface Card -- PCI-ICM-2S Features Universal PCI, PCI-X, 3.3V and 5V compatible (Call for PCI-Express availability) Optically isolated, asynchronous serial communications Two independent ports each supports RS-422 or RS-485 communications Type 16550 buffered UARTs...
RS-422/485 Serial Communication Card -- LPCI-COM-1S 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...
Dual Port RS-232, PCI-Bus Serial Communications Card -- PCI-COM232/2
Quad Port RS-232, PCI-Bus Serial Communications Card -- PCI-COM232/4
Features Universal PCI, PCI-X, 3.3V and 5V compatible (Call for PCI-Express availability) Two or Four RS-232 Serial Communication ports. Throughput up to 921.6 Kbps. 32-Bit PCI-bus Interface. UART includes 16-Byte...
ISA Bus Isolated RS-422/485 Communications and Watchdog Card -- WDG-SIO 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...
ISA Bus Dual-Port Isolated RS-422/485 Communications and Watchdog Card -- WDG-2S 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...
Two-port USB to Serial RS-232/422/485 Adapter -- USBP-FLEXCOM2 ACCES now offers USB-based data acquisition and control in both standard packaging and embedded OEM USB/104 board only options. These USB devices are perfect for a variety of applications requiring...
ISA Bus 8-Port Serial Communications Card -- COM485/8 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...
Single-Port Ethernet-to-Remote RS-422/-485 Embeddable / OEM Serial Interface Module -- ETH-01 Single-Port Ethernet-to-Remote RS-422/-485 Embeddable / OEM Serial Interface Module.
PCI-104 8-port RS-232/422/485 Serial Communication Board -- 104I-COM-8SM The 104I-COM-8SM (PCI-104) family of multi-port, multi-protocol (RS-232, RS-422, RS-485), serial communication boards deliver up to eight high-speed serial communication ports for use in a wide variety of applications. The...
Four-port Isolated RS232 PCI Express Mini Card -- mPCIe-ICM232-4
Two-port Isolated RS232 PCI Express Mini Card -- mPCIe-ICM232-2
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...