RS-232
A standard interface for serial binary data interchange defining voltage levels for logical one and logical zero, standard transmission speed and connector types.
See Also: Serial, I2C, LIN, Can bus, ExpressCard, Fieldbus, FireWire, RS-485, PCI Express, Serial ATA, Serial Peripheral Interface, SMBus
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Product
RS-485, RS-422 & RS-232
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Renesas has a rich interface history dating back to the 1970s. Our RS-485, RS-422 and RS-232 transceivers are used by the biggest names in industrial process control, telecommunications, and hundreds of different applications.
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Product
RS-232/RS-485 Converter
ECD485
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Deploy sub-metering sites and simple metering networks with ease using the EDMI MiniHub RS-232 to RS-485 converter.1/4 Load RS-485 modules allow for up to 128 devices over 1.2km of wired daisy-chain network, with each meter capable of becoming the Network Master and remotely connecting to a backhaul system via an integrated EDMI Modem Port redirect connector.
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Product
RS-232 Opto Isolation Module with DB9 Connectors
Model 9268
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Ensure clean data transmission and reception between two devices by installing Telebyte Model 9268 Opto Isolation Module with DB9 Connectors. For applications ranging from testing laboratories to factory floors, isolation is a critical component in data communications environments.
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Product
RS-232 to RS-422/RS-485 Interface Converter
Model 9365
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FEATURES: DIN Rail Mountable; User Selectable RS-422 or RS-485; User Selectable Two- or Four-wire RS-485; DataSpy® LCD Display; Intelligent Control of RS-485 Transmitter and Receiver; DTE/DCE Compatible; Data Rates Up to 115.2 kbp.
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Programmable RS-232, IR, and I/O Controller
HR-4P
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The Model HR-4P is a programmable RS-232 device designed for control & automation of a Projector, LCD, or any other device with serial or IR port.
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RS-232
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The RS-232 family includes transceivers with auto-power-down and standby functions, multi-channel interfaces and driver/receiver circuits. These devices have a 5 V supply or a 3 V to 5 V supply and are ESD protected enabling true RS-232 performance.
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RS-232 Line Driver with Control Signals and LCD Display
Model 224
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FEATURES: DataSpy® Status Display; Full Duplex & Handshake; Loopback & DTE/DCE Switch; DC to 19.2 KBPS; Supports DTR & DCD; Optically Isolated. The Model 224 RS-232 Line Driver with Control Signals and LCD Display provides for transmission of a handshake signal in each direction, in addition to communicating full duplex data up to 19.2 KBPS and providing complete optical isolation.
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Product
RS-232 Cable, 9 Pin (f) To 9 Pin (f)
34398A
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The Keysight 34398A is an RS-232 cable, 9 pin (f) to 9 pin (f). Standard RS-232 cables are easy to find, but making them work is a different story. The Keysight 34398A has been verified for compatibility with Keysight's bench instruments to take the mystery out of RS-232 pinouts. The Keysight 34398A includes a 9-pin (f) to 9-pin (f) RS-232 cable and a 9-pin (m) to 25-pin (f) adapter.
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Product
Low Profile PCI Express 2-Port RS-232, RS-422, RS-485 Serial Interface
7205e
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The 7205e low-profile PCI Express serial interface provides two serial ports configurable for RS-232, RS-422 or RS-485. Each serial port utilizes a 16C950 UART with 128-byte Tx/Rx FIFOs that enables data rates to 921.6K bps for reliable high-speed communications in data-intensive applications. This high-performance UART includes 9-bit framing support and is fully software compatible with legacy 16550 applications. In addition, the 14.7456 oscillator and UART’s flexible clock prescalar supports the widest range of standard and non-standard baud rates.
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Four And Two-Port Multi-Protocol RS-232/422/485 M.2 Cards
M.2-COM-4SM Family
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The M.2-COM-4SM family of cards feature high performance 16C950-class UARTs. Available in 4-port and 2-port versions, each port is capable of communication speeds up to 921.6kbps in RS-232 (differential modes support speeds as high as 3Mbps) and has 128-byte deep transmit and receive FIFOs. Large FIFOs protect against data loss in multitasking operating systems, reduce CPU utilization, and improve data throughput, while reducing or eliminating inter-character or inter-packet pauses. The advanced integrated circuit with pre-scalar supports a wide variety of custom baud rates, and any rates not otherwise achievable can be supported via a custom factory-installed crystal oscillator (up to 10Mbps!).
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Product
Serial (RS-232/422/485) Module for Multi Protocol 4000 Boards
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Serial Module for Multi Protocol 4000 BoardsNOTE: The M4KSerial module is now a Legacy product. All new projects should use the M4KSerialPlus module (these modules are not compatible)
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RS-232 to RS-422 Interface Converter
Model 63-2SA
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FEATURES: Full Duplex Signals; DTE/DCE Switch; TD and RD Indicators; DC to 115.2 KBPS. The Model 63-2SA provides a hardware conversion for full duplex signals between RS-232 and RS-422 I/O ports. Since the RS-232 port may look like a computer or a modem, the converter is equipped with a DTE/DCE selector switch.
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RS-232 to RS-422 Optically Isolated Interface Converter
Model 265
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FEATURES: Eliminates Ground Loops; 19.2 KBPS at 2 Miles;TD and RD Indicators; Use in Pairs as Double Isolated Short Haul Modems; Use in Pairs as Double Isolated Short Haul Modem. Total isolation between RS-232 based systems and RS-422. Unique circuitry allows the RS-422 port to withstand surges exceeding 10 kilovolts.
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RS-232 Fiber Optic Auto Powered Line Driver
Model 271
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FEATURES: Full Duplex to 56 KBPS; 2 Kilometers on 62/125 Fiber; Total Electrical Isolation; Eliminates Noise Problems; ST Connectors; No Power Required. The Model 271 provides feature packed performance and reliability for data transmission over glass fiber.
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2-Port Isolated RS-232/422/485 Communication Module
AMAX-5490
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Data Bits: 5, 6, 7, 8Stop Bits: 1, 1.5, 2Parity: None, even, oddBaud Rate: 50 bps ~ 230.4 kbpsData Signals: RS-232: TxD, RxD, GND RS-422: Tx+, Tx-, Rx+, RXRS-485: Data+, Data-FIFO: 256 bytesFlow Control: Xon/Xoff
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Product
Computer Interface, GPIB and RS-232
SR245
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Stanford Research Systems, Inc.
The SR245 Computer Interface module is a powerful tool for data acquisition. It provides both an analog and a digital interface between your computer and your experiment.
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Product
Single Port RS-232 Interface
PCI-COM232
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Serial ports: 1Configured: Address and interrupt configured through PCI BIOS and supplied driversMax. baud rate: to 460.8 Kbps, software selectable per channel for 115.2, 230.4, or 460.8KbpsSerial modes: 5, 6, 7, or 8 data bits; odd, even or no parity; 0, 1 or 2 stop bitsUART: 16C550 standardInterrupt Status: Each UART interrupt status read from any UARTís Scratchpad RegisterConnector: 37 position D-type with cable to DB-9 (DB-25 optional)Power: +5V only
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4 Port RS-232 & 4 Port RS-422 Interface cPCI Card
GX3904
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The GX3904 is an 8-port, cPCI asynchronous communications interface board supporting (4) RS232 and (4) RS422 signal levels. The four RS232 ports offer a full set of data and modem control lines configured for DTE operation. The four RS422 ports offer differential signaling and support DTE operation. Each RS422 differential pair is terminated by a 150 parallel resistor. An optional transition cable is available to convert the front panel SCSI connector to (8) DB-9, D-sub connectors.
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Product
Serial RS-232 Expansion Connector Accessory for USBHub3c
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Used for connecting a serial RS-232 interface to the control the USBHub3c through the expansion interface connector. Screw terminals are provided for the RS-232 interface. While this board provides for wiring connections, a host machine external to the USBHub3c is required for this control interface.
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Product
RS-232 to EIA-530 Interface Converter
Model 62-1 / 62-2
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FEATURES: Supports 10 Category I & 3 Category II Circuits; Full EIA-530 & RS-422 Compliance; DTE & DCE Models; Meets MIL-STD-188-114 Type 1/2; Up to 256 KBPS Data Rate. Conversion between RS-232 and EIA-530 is accomplished by the Models 62-1 and 62-2. These devices provide conversion for the entire EIA-530 interface which includes ten Category I circuits and three Category II circuits.
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Product
4-Port RS-232/422/485 PCI-104 Module
PCM-3612I
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Automatic RS-485 data flow controlLED indicators: TX, RXStandard PC ports: COM1, COM2, COM3, COM4 compatibleSupports Windows 7/8/10Linux driverPowerful and easy-to-use utility (ICOM Tools)
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Product
8-Port Isolated RS-232/422/485 Ethernet Card
ECU-P1628D
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Industrial-grade interface adapter that adds eight independent, surge-protected serial ports to a PC
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Product
3U CompactPCI® RS-232/422/485 Serial Communication Card
MIC-3955
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The MIC-3955 is a low power 4-port or 8-port RS232/RS422/RS485 serial board with 3U CPCI form factor and is based on the EXAR PCI controller. MIC-3955 is PICMG 2.0 Rev. 3.0 compatible. Rear board module are named MIC-3527XX. The MIC-3955 supports front IO or rear IO with 4-port and 8-port, and every channel is independent.
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4 Serial Communication Channels, Programmable RS-232/422/485, Non-Isolated
SC6
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Serial Communication Module SC6 provides up to 4 high-speed, programmable RS-232/422/485, individually non-isolated communication channels. Each channel is programmable for either RS-422/485 (differential, DF) or RS-232 (single ended, SE) hardware level interfaces. Individual channel non-isolated returns are available as part of the channel user interface signal set (for SE or SYS-GND reference).
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HDMI Audio Extractor with Audio Amplifier, RS-232 and IP Control
EMX-I-AMP
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The EMX-AMP is a 4K HDMI Audio Extractor with built-in 50 watt audio amplifier for direct connection of 8 ohm speakers. The device also provides line-level stereo Aux audio input and allows audio mixing of HDMI audio with the Aux input. Volume can be controlled from the front panel, RS-232, or external digital rotary pot (encoder) that can be mounted on a wall-plate.
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RS-232 to RS-422/RS-485 Converter
ND-6520
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ADLINK's NuDAM data acquisition modules make up a total acquisition network and control system. Up to 256 NuDAM modules an be romotely controlled on any RS-485 network from a host computer, via a single serial RS-232, allowing communication from as far as 4000 feet from the host. Based on the RS-485 multi-drop network system, each module has a unique address ID, whereby simple ASCII command & response protocols through the standard RS-485 interface can control all the NuDAM modules in the RS-485 network. The NuDAM modules provide direct communications with a wide variety of sensors, perform all signal conditioning, scaling, linearization and conversion, and can acquire measurements of temperature, pressure, flow, voltage, current, and multiple digital signal types.
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RS-232 to RS-422 Interface Converter
Model 253
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FEATURES: DB9 Data Port; Compatible with PC/386/486; Full Duplex; Surge Protection. Adding an RS-422 interface to a PC is now a snap. The Model 253 Interface Converter does this for full duplex signals at data rates up to 19.2 KBPS, without requiring any AC or DC power. With only TD, RD and ground, the Model 253 provides operation over 8,000 feet of twisted pair into a load of 120 Ohms.
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PC/104-Plus And PCI-104 8-Port RS-232 Serial Communication
P104-COM232-8 and 104I-COM232-8
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The P104-COM232-8 (PC/104-Plus) and 104I-COM232-8 (PCI-104) are PC/104-based eight channel RS-232 communication peripherals. Based on the XR17D158, the boards have eight enhanced 16550 UARTs, each with a set of modem signals (CTS, RTS, RI, DTR, DSR, CD). A 460Kb/s rate is guaranteed for all channels with up to 3K Ohm 1000pF loads. All interrupts may be monitored at a 32-bit status register. Each UART has both a 64 byte transmit and a 64 byte receive FIFO.
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RS-232 to RS-422/RS-485 Optically Isolated Interface Converter
Model 245
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Total Isolation; Selectable RS-422 or RS-485; Selectable 2 or 4 wire RS-485; Intelligent Control of RS-485; TD & RD LED's on Each Side of Opto Barrier; Data Rates up to 128 KBPS. The Model 245 RS-232 to RS-422/RS-485 Optically Isolated Interface Converter is an optically isolated version of the Model 285.
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PCI-104 8-Port, 4-port, And 2-port Multi-Protocol RS-232, RS-422, RS-485 Serial Communication Boards
104i-COM-8SM Family
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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 boards were developed for use by system integrators and manufacturers in the design of industrial and commercial systems. Based on the XR17D158, the boards have eight enhanced 16550 UARTs, each with a set of modem signals (CTS, RTS, RI, DTR, DSR, CD) in RS-232 mode.
