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-232 to RS-422 Interface Converter
Model 263
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No AC or DC Power; Full Duplex RJ-11 and Screws; Surge Protection. The Model 263 power stealing RS-232 to RS-422 interface converter offers the user the benefits of other Telebyte converters without the problem of supplying power. With only TD, RD and Ground the Model 263 will provide operation over 8,000 feet of twisted pair into a load of 120 Ohms.
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Product
RS-232 Micro Line Driver - DB9 Connector
Model 209
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FEATURES: Compatible with PC; 386/486 Pentium Com Ports; Full Duplex to 19.2 KBPS; No AC or DC Power; Screw Terminals or RJ-11; Small Size. The Model 209F offers all the features of the Model 201 Short Haul Modem but in a package that is approximately one third the volume.
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Product
RS-232 Cable, 9 Pin (f) To 9 Pin (f)
34398A
Digital Cable
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
- RS-232 DB9 Lightning Suppressor
Model 29
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FEATURES: PC 386/486 Pentium Com Ports; Nanosecond Response; DB9 Connectors; Protects All 9 Lines; Ground Stud & Wire Included. The Model 29 contains avalanche diodes, one for each line. All diodes are returned to a ground stud. The Model 29 is provided with a 2-foot ground wire and has male and female DB9 connectors.
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Product
2-Port RS/232/422/485 Async Serial Communications Adapter PMC
2901
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The 2-port Async Communications Adapter is a costeffective solution for providing additional RS232/RS422/ RS485 based serial ports for a host processor. Using configuration switches on the PMC board, each port is independently set-up at either RS232 or RS422 levels. In the RS422 case, an additional option is provided to transmit data on the receive data line in an RS485 fashion.
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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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Product
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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Product
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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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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Product
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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Product
Four Port RS-232 Interface
PCI-COM232/4
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Serial ports: 4Configured: 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 fanout cable to 4 DB-9 or DB-25 male connectorsPower: +5V only
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Product
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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Product
Cable Assembly, Receiver, TriPaddle, 20", 2 9-Pin Female D-Subs, for RS-232
540127010101
Cable Assembly
Cable Assembly, Receiver, TriPaddle, 20", 2 9-Pin Female D-Subs
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Product
Universal PCI, Eight or Four-port RS-232/422/485 Serial Communication Card
LPCI-COM Series
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The LPCI-COM Series are eight or four-port asynchronous serial communication cards designed for use in PCI bus computers. The cards support RS-232, RS-422, and/or RS-485 communications which can be selected on a port by port basis.
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Product
8 Serial Communication Channels, Programmable RS-232/422/485 Non-Isolated
SC3
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Serial Communication Module SC3 provides up to 8 high-speed, programmable RS-232, RS-422, RS-485, non-isolated communication channels. Each channel is programmable for either Serial Communications (SC) protocol or General Purpose I/O (GPIO) modes as either RS-422/485 (differential) or RS-232 (single ended) hardware level interfaces.
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Product
RS-232 Fiber Optic Auto Powered Line Driver
Model 9271
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The Model 9271 RS-232 Fiber Optic Auto Powered Line Driver features a standard DB9 interface for maximum performance and reliability of data transmission over glass fiber, eliminating the need for serial to nine-pin adapters. In addition, it brings effective data communications to manufacturing environments. I
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Product
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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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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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 Auto Powered Line Driver
Model 201
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FEATURES: Operates with only Pins 2(TD), 3(RD), & 7(GND); Screw Terminals and RJ-11; DTE/DCE Switch; Built in Surge Protection; Male or Female RS-232; 19.2 KBPS, Full Duplex, 2.1 Miles. The Model 201 RS-232 Auto Powered Line Driver requires only TD, RD, and signal ground for power and full duplex operation up to 19.2 K BPS.
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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
ULI-224TE - Heavy Industrial RS-232 (DB9 Female To RS-422/485 (Terminal Block) Converter. Panel Mount Metal Chassis
BB-485DRCI-PH
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Converts RS-232 data signals to RS-422/RS-485Three-way 2 KV optical isolation (input, output, power)Wide operating temperature: -40 to +85 °CModbus ASCII/RTURugged IP30 metal panel mount case, DB9 F / TB10-48 Vdc input power (external power supply required, sold separately)UL C1/D2, IEEE-61850-3, IEEE-1613
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Product
Isolated RS-232
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Analog Devices offers a wide range of RS-232 transceivers to suit many applications. As RS-232 cable networks and the systems to them can be vulnerable to voltage spikes and ground loops, we have developed a number of innovations that protect against these issues and create an isolated RS-232 environment. We accomplish this through our isoPower® integrated dc-to-dc converters, as well as our iCoupler® technology, which enable the power isolation and signal isolation required for system reliability in a noisy environment.
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Product
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.
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Product
RS-232 to RS-422/RS-485 Interface Converter
Model 365
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FEATURES: User Selectable RS-422 or RS-485; User Selectable 2 or 4 Wire RS-485; DataSpy® LCD Display; Intelligent Control of RS-485 Transmitter and Receiver; DTE/DCE Compatible; Data Rates Up to 115.2 KBPS. The Model 365 multimode interface converter allows operation in compliance with RS-485 or RS-422 equipment, and RS-232.
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Product
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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Product
- RS-232 High Speed Line Driver with LCD Display
Model 227
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FEATURES: DataSpy Status Display; Full Duplex to 5 Miles; Async, DC to 115.2 KBPS; Powered by TD; RJ-11 and Screw Terminals for the Line Interface; Built-in Surge Protection; Fully Compatible with Model 201 up to 19.2 K. The Model 227 RS-232 High Speed Line Driver with LCD Display provides full-duplex transmission from DC to 115.2 KBPS over two twisted pairs.
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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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Product
RS-232, RS-422, or RS-485 to Fiber Optic Line Driver
Model 8277
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The Model 8277 is a unique asynchronous fiber optic modem whose optical interface can operate in either point to point or ring (daisy chain) configurations and whose electrical interface can also operate in point to point or multi-drop configurations depending on the user selected interface.
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Product
8-Port Non-Isolated RS-232/422/485 Ethernet Card
ECU-P1618D
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enables 8 legacy serial devices to communicate over a standard LAN/Ethernet network. It supports multi-protocol operation (RS-232, RS-422, or RS-485) and acts as a gateway for data, often featuring virtual COM port redirection and high-speed data transfer.
