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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RS-232
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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Datalogging Light Meter (RS-232)
DLM 536
Spectrum of photo sensor meets C.I.E. photopic curve V(l). 16000 Records Data logging capacity. RS-232 interface (software included). Measurement of luminous intensity(PC Software)
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RS-232 to RS-485 Optically Isolated Interface Converter
Model 8322
FEATURES: 4 Wire-Master/Slave Operation; Active Mode Control Via RTS or Data; Opto Isolation; Built-in Power Supply; Internal Microcontroller; 38.4 KBPS Data Rate; DIN Rail Mountable; Programmable Terminations. The Model 8322 RS-232 to RS-485 Interface Converter allows information exchange in half duplex mode over two twisted pairs.
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- RS-232 to Current Loop Converter
Model 65A
FEATURES: Active/Passive Loops; 20 or 60 mA. Operation; DC To 19.2 KBPS; Half/Full Duplex; Optically Isolated; DTE/DCE Selectable. The Model 65A is a small, versatile, RS-232 to Current Loop Converters for use with teletypes or computers providing local terminal input via a 20mA. (or 60 ma.) current loop. The Model 65 includes a wall mounted transformer and internal power supply circuitry.
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RS-232, RS-422, or RS-485 to Fiber Optic Line Driver
Model 8277
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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RS-232 to RS-422 Interface Converter
Model 253
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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Value-added Module With 4 Terminal Block 4-wire Isolated RS-232/422/485
VAM100
*4 4-wire Isolated RS-232/422/485*Swappable modular design*Maximize I/O flexibility*2kV isolated protection*Designed for tBOX300/500 series*LVD, FCC, EN 50155 and IEC 60945 certified; CE compliant
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RS-232 Line Driver with Control Signals and LCD Display
Model 224
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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RS-232 to RS-422/RS-485 Interface Converter
Model 9365
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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HDMI Audio Extractor with Audio Amplifier, RS-232 and IP Control
EMX-I-AMP
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 Optically Isolated Interface Converter
Model 265
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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Interface RS-232
The RS-232 specification allows for reliable data transmission from one transmitter to one receiver at data rates of up to 20 kbps over relatively short distances (up to 50 feet). On more recent RS-232 transceiver chips, data rates of up to 1 Mbps are achievable over shorter distances (up to 5 feet). The most common applications for RS-232 transceivers are computers and peripherals, mobile phone data cables, and diagnostic data ports.
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- RS-232 to RS-422/RS-485 Converter
Model 285
FEATURES: User Selectable RS-422 or RS-485; User Selectable 2 or 4 Wire RS-485; Intelligent Control Of RS-485 Transmitter And Receiver; TD & RD LED's; DTE/DCE Compatible; Data Rates Up to 64 KBPs. The Model 285 RS-232 to RS-422/RS-485 Converter is a unique interface converter that can be configured to operate in compliance with RS-485 or RS-422 equipment, and RS-232.
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RS-232 Auto Powered Line Driver
Model 201
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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Four And Two-Port Multi-Protocol RS-232/422/485 M.2 Cards
M.2-COM-4SM Family
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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- RS-232 DB9 Lightning Suppressor
Model 29
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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Computer Interface, GPIB and RS-232
SR245
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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- RS-232 High Speed Line Driver with LCD Display
Model 227
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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- RS-232 to RS-422 Interface Converter
Model 263
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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Cable Assembly, Receiver, TriPaddle, 20", 2 9-Pin Female D-Subs, for RS-232
540127010101
Cable Assembly, Receiver, TriPaddle, 20", 2 9-Pin Female D-Subs
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RS-232 to RS-422/RS-485 Optically Isolated Interface Converter
Model 245
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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3U CompactPCI® RS-232/422/485 Serial Communication Card
MIC-3955
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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RS-485, RS-422 & RS-232
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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PCI Express 16-Port RS-232 Serial Interface
7161e
The 7161e provides sixteen RS-232 serial ports capable of data rates to 460.8K bps. Each RS-232 port implements all modem control signals for maximum compatibility with a wide range of peripherals. The board is PCI Express X1 compliant and utilizes 16C854 UARTs to provide 128-byte Tx/Rx FIFOs for maximum reliability in data intensive applications.
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IP to Dual RS-232 Controller
VSA-31-IP
The VSA-31-IP is an add-on module for the Switch-Cat A/V Systems. The new IP module allows monitoring and control of one to multiple Switch-Cat installations via IP across the customers internal network.
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RS-232 to RS-422/RS-485 Interface Converter
Model 365
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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4 Port RS-232 & 4 Port RS-422 Interface cPCI Card
GX3904
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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Four And Two-Port Multi-Protocol RS-232/422/485 PCI Express Mini Cards
mPCIe-COM-4SM Family
The mPCIe-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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RS-232 Fiber Optic Auto Powered Line Driver
Model 271
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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RS-232 Passive Tap Module
EZ-TAP™
Stratus Engineering’s EZ-Tap hardware module is a low-cost hardware bus analyzer and protocol analyzer solution that uses a traditional dual COM port approach to RS232 interface monitoring.





























