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  1. New Greenzech 5V/12V/24V Rs232 Serial Port Control Relay Module Mcu Max232 Usb Control Switch Board Size 5

  2. SY Electronics MMU-3232 32x32 UHD Multi-Format Matrix chassis

    The MMU 3232 is a modular multi format matrix with 8 input slots 8 output slots. It supports digital and analogue signal cards and is HDCP compliant. The unit is 8U rack mountable and features RS232 and TCP IP control and an integral 110 230V redundant power supply. Designed for demanding professionalsSY MMU series provides the widest range of connections all within one chassis, offering a high performance customisable matrix switching platform. Modular SystemChoose any combination of input and output HDMI (HD 4K), HDBaseT (4K HD) UHD Fibre, DVI, SDI, VGA plus various audio I O. UpgradePopulate the right number of inputs and outputs to meet the requirements of each specific project by upgrading and replacing input and output cards. ControlWith LAN, IR, and RS232, the unit is easy to control and ready for connection to SY control panels.

    AV Parts Master

  3. For BGA Soldering Digital Thermostat RS232 Communication Experimental Setup

    For RS232 communication solid-state relay output K-type thermocouple output, thyristor zero-crossing trigger thyristor phase shift trigger. Application: Applicable to for BGA rework station welding machine parts.

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  4. Startech.com 2Ft 2-Port Usb To Rs232 Serial Adapter

  5. Optoma ZU607T 6500 Lumens Projector

    The high brightness ZU607T features 6500 lumens, 4K and HDR compatibility and a dust resistant IP6X certified optical engine for 24 7 operational capabilities and low maintenance. This projector boasts an extremely long life laser technology, manual horizontal and vertical lens shift and built in 15W speakers. Suitable for a wide variety of applications, this projector is perfect for anywhere that requires a clean bright image including large venues, classrooms, lecture theatres, museums, houses of worship, digital signage, simulation and immersive installations. The added control flexibility of HDBaseT 3.0 and LAN make this projector an affordable solution. Bright WUXGA laser projector 6500 lumens 30,000 hours maintenance free laser light source Control with HDBaseT 3.0, RS232 and OMSL 4K, HDR and HLG Compatibility

    AV Parts Master

  6. New Greenzech 2-In-1 12V Rs232 Ttl232 Relay Uart Serial Remote Control Switch For Control Garage Car Motor Size 12

  7. RS485 RS232 Modbus RTU Relay 15CH PLC DO PC UART Serial Port Switch Controller

    MODBUS command supports 03 06 16 function code. Maximum delay under MODBUS command is 255 seconds. Refer to "N438C15-15 Channel Modbus rtu Commands". In MODBUS command mode, up to 64 devices can be connected in parallel.

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  8. SY Electronics HDBT-231-70 Extender Splitter

    SY HDBT 231 70 HDBaseT Splitter with 2x HDMI Inputs and 3x HDBaseT Outputs (4K 40m 1080P 70m) plus 1 x HDMI Output. The HDBT 231 70 provides a selection from one of two HDMI input sources then distributes that selection to all outputs simultaneously. Extensive signal management control including auto switching, HDCP and EDID and Full RS232 distribution and control. HDBaseT Outputs All three outputs transmit 4K 30Hz UHD video signals to 40M and 1080p to 70M over CAT6A. For effortless installation we would recommend our HDBT 70SE R or HDBT 70SP R HDBaseT receivers. iPoC Only one PSU is required at Transmitter to power all Receivers. The iPoC (intelligent Power over Cable) system ensures the power is made available only if the device is iPoC compatible. For example, the HDBT 231 70 will not apply 48V power to a projector with HDBaseT input, ensuring safe operation. Auto Switching Will switch to the last input connected or can switch back to a live input when the current input is removed. RS232 Control port A dedicated RS232 CTL port for control of the unit itself, and in addition this port allows the advanced feature of being able to address each HDBaseT Output independently. This allows full bi directional communication of all remote devices. Each HDBaseT Output can be independently set to handle specific Baud rates up to 115200. This offers ultimate flexible control of 1 x RS232 port to control 3 unique remote devices RS232 Pass Through RS232 port for broadcast of unaltered commands. Response messages are returned from HDBT output 1 IR Pass through Bi directional IR ports offer extra scope for added flexibility via the HDBaseT Ports. This gives Local control of the remote displays or remote control of a local device. EDID The extensive EDID management facility can ensure the video source is optimised to suit the installation. for quick EDID set up there are DIP switches on front panel or for more comprehensive EDID control you can use RS232 CTL port. HDCP Management Support and Management of HDCP ensures compatibility. You can convert from HDCP 2.2 down to HDCP 1.4, or simply put the unit into Cascade Mode No more HDCP issues. This Mode may also speed up switching speeds. De embedded Audio L R analogue PCM 2.0 channel audio will be sent out from the currently selected input device. This device is also available in a 100m Version HDBT 231 100. These HDBaseT Splitters are highly configurable to suit a variety of commercial install applications including Receptions and Waiting Rooms, Retail, Transport Hubs, Hospitality, Training Rooms. Features 4K60 4:2:0 (10.2G) HDCP 2.2 2x Selectable HDMI inputs 3x HDBaseT and 1x HDMI loop out iPoC Transmits 1080p to 70m Transmits 4K30 to 40m Global IR RS232 Pass Through Port RS232 CTL Control port RS232 CTL Discreet routing to Outputs De embedded L R audio Extensive EDID management

    AV Parts Master

  9. DC 6-24V RS485 RS232 (TTL) RTU Control Module UART Relay Switch Board PLC

    With RS485 and RS232 (TTL) dual bus interface. The maximum delay is 9999 seconds under the AT command, and the maximum delay is 255 seconds for MODBUS command. Up to 247 devices can be supported for parallel use for MODBUS command mode.

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  10. SY Electronics SY-KCS4-W-UK Keypad Controller - White

    The KCS range of keypad controllers are ideal for managing small to medium sized projects controlling a limited number of end point devices from a centralised location. The KCS keypad controllers still pack a punch as they comfortably handle asynchronous commands and conditional feedback, but their strength lies with their small single gang form factor and ease of use. Although optimised as a single room control unit, in larger decentralised projects, our KCS range of products work seamlessly with KC keypad controllers. Most use cases for such projects are found in educational, corporate, commercial and IT sectors. However; a growing number of projects are appearing in the residential sector, and in particular projects concerning automation. Whatever the requirement, the KCS range of keypad controllers will provide the most cost effective solution. Under the hood, you will find two dedicated RS232 ports and two Flexi ports that can be configured as either RS232 or IR ports. The customization of Flexi ports, general handling of serial commands, I O manipulation, colours and other settings are carried out via the NebulaStudio application, a powerful yet intuitive 'no code' platform allows for rapid development of the vast majority of projects. Despite all the features outlined above and the small form factor, we have maintained the much loved slender look and feel of our previous keypad series with clean lines enhancing the minimalist design that naturally blends with its surroundings. We also recognise the challenges and rigours of real world installation environments, and in line with all our AV products the KCS keypads have been engineered to provide robust electrical and mechanical characteristics. All form factor variants, UK, EU and USA have an all metal chassis and aluminium faceplate finished in black, white or brushed aluminium. The KCS keypad controllers are available in a choice of 4, 6 or, 8 RGB illuminated buttons. There are also rotary dial variants with LED bar allowing for adjustment of parameters through rotation. RGB illuminated buttons Each button can be set to a specific true colour and intensity level, allowing for harmonisation of button groups displaying subtle or exaggerated changes. Soft transitions permit smooth fades between illuminated states, creating a more sophisticated user experience. All buttons can be labelled using the supplied legend sheet or own custom labels, and protected with clear caps. A Cap Removal Tool (CRT) is included with each KC controller to assist with removing the caps, should it be required to replace a label in the future. Flexible comm ports There are two dedicated full duplex RS232 ports as well as two Flexi ports which can be configured according to the specific requirements of a project. Each Flexi port can operate as a full duplex RS232, a combi port consisting of a half duplex RS232 and an IR emitter, or two IR emitters. I O ports There are 4x Digital I O Ports available, each of which can be configured as an input or output port. These ports can interface 24V DC devices and are capable of current sink (pull low) to 200mA. The ports are protected against over current, and back EMF from inductive loads such as relays. The inclusion of input pull up resistors ensures simple direct interface with external switches or contact closures. IR learner For convenience, there is also an inbuilt Universal IR Learner (25 60KHz carrier), which is used for capturing IR codes from any remote control handset. NebulaStudio software To facilitate rapid development of robust extendable software solutions we have created a number of dedicated applications in a single integrated environment, namely the NebulaStudio . At its heart lies an intuitive 'no code' property based configuration system ideal for rapid development of most common operations. This is made possible by binding a host of customisable command sequences to specific keypad buttons. These groups of sequential and asynchronous commands together with delays, event timers, colour changes and state transitions realise a specific behaviour which can be customised via a set of properties. The SY command library is also an integral part of NebulaStudio . This is an extensible collection of command sequences necessary for interaction with specific end point devices. Finally, the NebulaStudio includes a native keypad simulator that caters for soft testing of specific configurations. The SY mesh This is a radical networking concept logically connecting end point devices to the mesh network as opposed to a specific controller port. This abstraction allows for incredibly flexible system topologies, greatly enhancing scalability and reliability whilst minimising configuration effort. Features Choice of 4, 6, or 8 illuminated buttons (RGB) Up to 4x RS232, 2x IR emitter Rotary Dial and LED indicator options available for most models 2x Flexi Ports Maximise comm port options 4x digital I O ports (24V, 200mA Over current back EMF protected) Built In universal Infra Red Learner (25 60KHz carrier) Up to 16 concurrent event timers NebulaStudio platform 'No code' or LUA lite scripting Programmable via USB C Durable and resilient Available versions

    AV Parts Master

  11. Dsport Rs485 Rs232(Ttl) Plc Modbus Rtu Module 8Ch Io Control Switch Board For Relay Industrial Automation Size 8

  12. Industrial Relay Module For RS232 Interface RTU Optocoupler Isolation Modul DTS

    Communicating Protocol: for RTU Protocol. Item Type: Relay Module. Robust ABS Enclosure: Housed in sturdy ABS plastic casing, the relay is designed for harsh industrial conditions. Its robust structure ensures protect against dust, extending the product's lifespan.

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  13. Optoma ZK810TST 4k UHD 8500 Lumens Projector

    High brightness professional 4K UHD laser projectorSpectacular 4K UHD image quality, low maintenance and ultimate reliability The ZK810TST 4K UHD laser projector is perfect for fixed installations within education, museums, houses of worship, large venues, simulation or immersive applications. Designed with the environment in mind, these are one of the first ProAV projectors to be part of Optoma 39;s Eco Promise. The eco friendly chassis design is made with up to 50 PCR (Post Consumer Recycled) plastics and the packaging contains up to 97 recyclable materials. Delivering an astonishing 30,000 hours, the ZK810TST combines a long lifetime light source and an independent IP5X certified optical engine for 24 7 operation capabilities, offering truly maintenance free projection. With high brightness, colour precision and quiet operation, along with a fixed standard throw lens making this projector the ideal solution for a variety of end user scenarios and professional environment. The added control flexibility of HDBaseT 3.0, RS232, LAN, OMS and OSS makes this projector an affordable install and forget solution. Features 8500 lumen 4K UHD DuraCore laser projector High brightness for immersive installations Full motorised lens shift Ideal for a simple set up Dust resistant Independently tested, IP5X certified Long life Delivers 30,000 hours of virtually maintenance free operationDuraCoreIndustry leading lifetime is achieved using Optoma s DuraCore technology. Implementing advanced laser diode cooling techniques and an innovative dust resistant design. True 4K UHD resolutionUltra HD 4K resolution delivers sharper, life like images and richer colours allowing you to sit closer to the screen and enjoy a more immersive experience. Our DLP projectors provide CTA (Consumer Technology Association) approved True 4K UHD resolution, capable of projecting 8.3 million on screen pixels. That 39;s four times more detail than Full HD and twice as many from competing technology, which only delivers 4.1 million pixels. HDR and HLG compatibleCapable of receiving and displaying both HDR10 and Hybrid Log Gamma (HLG) HDR content. This Optoma projector allows you to see far more detail and texture. Objects look more solid and lifelike and the extra detail creates a greater sense of depth. Full lens shiftFull lens shift makes installation simple and hassle free, offering the flexibility to move the projected image vertically or horizontally, as well as adjusting the screen size without the need to move or reposition the projector.Four corner correctionAdjust the keystone in both the vertical and horizontal plane. You can individually warp each corner of the image to create a perfectly square image. Ideal for image stacking, uneven walls or where projector placement is awkward and needs to be installed at an angle. IP5X Dust resistant optical engineIndependently tested and certified to IEC standard 60529 with an IP5X dust resistance rating. Outstanding dust resistance combined with exceptional brightness ensures industry leading durability; paramount for 24 7 maintenance free operation in challenging environments. 360 projection With 360 projection, images can be displayed in any orientation, giving you the freedom and versatility to install this projector in the desired location. For more information please refer to the user manual Portrait projectionIdeal for digital signage applications you can rotate your projector 90 degrees to project a portrait image.Game modeGame mode optimises your projector for maximum contrast and vivid colours to capture every detail leaving you time to focus on winning. HDBaseT Uncompromising, uncompressed Full HD video, audio, network and control commands all delivered on a single CAT type cable capable up to 100 meters 328 feet without signal loss makes installation hassle free. HDBaseT simplifies cabling requirements and reduces installation complexity saving both time and reducing costs. Colour Management System (CMS)Display accurate lifelike colours to best match your viewing environment. This unique feature provides you with the flexibility to fine tune the colour settings of your projector for optimal precision. True AV muteTrue AV mute enables the light source of the projector to be instantly switched off and on at the press of a button. Unlike standard AV mute functionality no light is emitted from the projector, this gives 100 blackout on screen. Full 3DOptoma projectors can display true 3D content from almost any 3D source, including 3D compatible graphics cards, 3D broadcasting and the latest generation 3d media servers. Wired remoteThe wired remote connection allows all aspects of the projector to be individually controlled without requiring a line of sight to the projector; invaluable when using multiple units during live events. Customise your projectorHave your projector in any colour. Choose from any RAL colour. Perfect for bespoke installations. Contact us for more information Direct power offPower off your projector immediately or directly at the mains. This means you don t have to wait for the projector to cool down before turning it off. Constant powerAllows users to set the power levels to meet individual installation requirements. Power levels can be managed to obtain the brightest picture or longest light source life or anywhere inbetween Constant brightnessAdvanced light sensing technology allows the setting of brightness levels that will remain unchanged over time. Ideal for ensuruing constant brightness for fine tune installations TelnetThis model is able to receive comands via telenet allowing for easy installation with Telnet compatible control systems. ControlFeaturing a wide range of options you can control and monitor the projector remotely. RS232 Optoma projector s come with an extensive set of RS232 commands making it simple and easy to manage using any control system. AMX compatible Dynamic discovery protocol is incorporated into the projector allowing for easy installation with AMX control systems. Crestron RoomView Using the compatible RoomView software you can power on off, monitor, manage and control up to 250 projectors at the same time from any computer Extron IPLink compatible Allows for easy installation with Extron control systems

    AV Parts Master

  14. KMTronic USB One Relay Controller, RS232 Serial controlled, BOX

    KMtronic LTD. Very simple instalation KMtronic USB relays. KMtronic USB Test software. Domoticz support all KMtronic USB relays. FlowStone support KMtronic USB relays. KMtronic USB software. KMtronic relays via EXCEL example.

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  15. 3Pcs 2-In-1 12V Rs232 Ttl232 Relay Uart Serial Remote Control Switch For Control Garage Car Motor Size 12

  16. SY Electronics SY-KCS4V-B-UK Keypad Controller - Black

    The KCS range of keypad controllers are ideal for managing small to medium sized projects controlling a limited number of end point devices from a centralised location. The KCS keypad controllers still pack a punch as they comfortably handle asynchronous commands and conditional feedback, but their strength lies with their small single gang form factor and ease of use. Although optimised as a single room control unit, in larger decentralised projects, our KCS range of products work seamlessly with KC keypad controllers. Most use cases for such projects are found in educational, corporate, commercial and IT sectors. However; a growing number of projects are appearing in the residential sector, and in particular projects concerning automation. Whatever the requirement, the KCS range of keypad controllers will provide the most cost effective solution. Under the hood, you will find two dedicated RS232 ports and two Flexi ports that can be configured as either RS232 or IR ports. The customization of Flexi ports, general handling of serial commands, I O manipulation, colours and other settings are carried out via the NebulaStudio application, a powerful yet intuitive 'no code' platform allows for rapid development of the vast majority of projects. Despite all the features outlined above and the small form factor, we have maintained the much loved slender look and feel of our previous keypad series with clean lines enhancing the minimalist design that naturally blends with its surroundings. We also recognise the challenges and rigours of real world installation environments, and in line with all our AV products the KCS keypads have been engineered to provide robust electrical and mechanical characteristics. All form factor variants, UK, EU and USA have an all metal chassis and aluminium faceplate finished in black, white or brushed aluminium. The KCS keypad controllers are available in a choice of 4, 6 or, 8 RGB illuminated buttons. There are also rotary dial variants with LED bar allowing for adjustment of parameters through rotation. RGB illuminated buttons Each button can be set to a specific true colour and intensity level, allowing for harmonisation of button groups displaying subtle or exaggerated changes. Soft transitions permit smooth fades between illuminated states, creating a more sophisticated user experience. All buttons can be labelled using the supplied legend sheet or own custom labels, and protected with clear caps. A Cap Removal Tool (CRT) is included with each KC controller to assist with removing the caps, should it be required to replace a label in the future. Flexible comm ports There are two dedicated full duplex RS232 ports as well as two Flexi ports which can be configured according to the specific requirements of a project. Each Flexi port can operate as a full duplex RS232, a combi port consisting of a half duplex RS232 and an IR emitter, or two IR emitters. I O ports There are 4x Digital I O Ports available, each of which can be configured as an input or output port. These ports can interface 24V DC devices and are capable of current sink (pull low) to 200mA. The ports are protected against over current, and back EMF from inductive loads such as relays. The inclusion of input pull up resistors ensures simple direct interface with external switches or contact closures. IR learner For convenience, there is also an inbuilt Universal IR Learner (25 60KHz carrier), which is used for capturing IR codes from any remote control handset. NebulaStudio software To facilitate rapid development of robust extendable software solutions we have created a number of dedicated applications in a single integrated environment, namely the NebulaStudio . At its heart lies an intuitive 'no code' property based configuration system ideal for rapid development of most common operations. This is made possible by binding a host of customisable command sequences to specific keypad buttons. These groups of sequential and asynchronous commands together with delays, event timers, colour changes and state transitions realise a specific behaviour which can be customised via a set of properties. The SY command library is also an integral part of NebulaStudio . This is an extensible collection of command sequences necessary for interaction with specific end point devices. Finally, the NebulaStudio includes a native keypad simulator that caters for soft testing of specific configurations. The SY mesh This is a radical networking concept logically connecting end point devices to the mesh network as opposed to a specific controller port. This abstraction allows for incredibly flexible system topologies, greatly enhancing scalability and reliability whilst minimising configuration effort. Features Choice of 4, 6, or 8 illuminated buttons (RGB) Up to 4x RS232, 2x IR emitter Rotary Dial and LED indicator options available for most models 2x Flexi Ports Maximise comm port options 4x digital I O ports (24V, 200mA Over current back EMF protected) Built In universal Infra Red Learner (25 60KHz carrier) Up to 16 concurrent event timers NebulaStudio platform 'No code' or LUA lite scripting Programmable via USB C Durable and resilient Available versions

    AV Parts Master

  17. KMTronic USB 2 Relay Controller, RS232 Serial controlled, BOX, DIN rail

    KMtronic USB 2 Channel Relay Board. KMtronic LTD. Very simple instalation KMtronic USB relays. KMtronic USB Test software. Domoticz support all KMtronic USB relays. KMtronic USB software. FlowStone support KMtronic USB relays.

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  18. SY Electronics Apollo 42 4x2 Seamless Matrix & Multi-Viewer

    Apollo 42 4x2 Seamless Matrix Multi Viewer Seamless Matrix Multi Viewer with 4x HDMI 18G inputs and 2x HDMI 2.0 outputs. Each output can perform a variety of functions independently, with wide range Scaling up to 4K 60Hz 4:4:4 and is capable of displaying in Single, Dual, Triple, Quad Multi View or various PIP modes. Dynamic Audio selection allows for choice between any of the HDMI inputs' audio, regardless of the chosen video signal. De embeded audio via optical Toslink or L R analogue output is available independently on both channels. Apollo 42 provides a convenient solution for easily managing multiple sources across 2 displays and is suitable for collaboration, educational environments, seamless presentation, control centres and gaming. Seamless 4x2 Matrix Seamlessly switch between 4x HDMI 2.0 inputs, to 2 x HDMI 2.0 outputs. Capable of 4K60Hz 4:4:4 18G. 2 Independent Outputs Each of the 2 HDMI outputs may be independently configured including Multi view, PiP, Scaling and Auto Switching. Auto or Manual Switching When set to Single mode, the auto switch feature will automatically select the newly connected source. When currently selected source is lost, the next available active input will be automatically selected. Manual switching can be carried out from the front panel, IR or RS232. Multi View mode Any of the 4 available inputs can be independently selected per display to be viewed in either Single, Dual, Triple or Quad view, with various options of window size. PiP Each output can be independently configured to its own custom Picture In Picture mode, with various options of window sizing and position. Wide Range Scaling Each output has its own full Up Down Scaler with complete control over both resolution and refresh rate, guaranteeing optimal image quality based on the displays' capabilities. Audio Control Any available audio inputs can be paired with the video at any time, with mute function available. Audio can also be de embedded via Toslink or Analogue L R RCA jacks. VKA The Video Keep Alive function can maintain a video output when there is no signal. When there is no active input signal, the display can be configured to show a blue or black image, ensuring that the screens remain active until a new signal is detected. IT Content Setting The IT Content (ITC) setting tells the display to use its own video quality processing algorithms, instead of the Intel graphics driver when movies are played in full screen mode to ensure the best video quality. HDCP Control Support and management of HDCP ensures compatibility. Convert from HDCP 2.2 down to HDCP 1.4 or simply put the unit into cascade mode. Features 4:2 HDMI Matrix Multi Viewer Seamless Switching Wide Range Scaler upto 4K60 4:4:4 Single, Dual, Triple, Quad display modes PiP (Picture in Picture) Extensive EDID control HDCP management VKA (Video Keep Alive) ITC (IT Content) De embed audio

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  19. Dsport Rs485 Rs232(Ttl) Plc Modbus Rtu Module 8Ch Io Control Switch Board For Relay Industrial Automation Size 8

  20. Relay Control Module 15 Channel RS485 RS232 PLC DO PC UART Serial Switch

    Standby 14MA, 1 relay 44MA, 2 relay 69MA, 3 relay 95MA, 4 relay 121MA, 5 relay 149MA, 6 relay 175MA, 7 relay 199MA, 8 relay 226MA, etc. CONNECT 64 DEVICES IN PARALLEL: In command mode, up to 64 devices can be connected in parallel, versatile and multifunction.

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  21. SY Eelectronics 2A-100W Dual Input 2x 50W Stereo Audio Amplifier

    SY 2A 100W is a 50W per channel Stereo Audio Amplifier, with 2 Audio inputs Microphone Line input. Class D A powerful yet compact Class D digital Amplifier. OLED Front Panel Display It's good looks will grace any AV equipment shelf, providing visual feedback via its OLED display. Stereo Amplifier Analogue Input This Stereo Amplifier accepts L R analogue inputs via phoenix screw terminals Digital Input And a digital audio input via a Toslink connector Mic Line Level Input And then a further input which can be switched between Line level or Microphone level with switchable 48V phantom power. Auto Ducking The Microphone input has an Auto Ducking feature for professional talk over effect. Summed Mono All inputs can be summed internally to provide a Mono output High Power With a rated output of 50W per channel 4 , or 100W in bridge mono mode, to feed a Mono 2 speaker load. Balance Audio Output Also present is a balanced Line level loop output for cascading to further amplifiers. Control The 2A 100W is controllable by RS232, IR or LAN, with Volume Up, Down, Balance and Mute along with Absolute Volume commands for exact and accurate system control. All control buttons are on the front panel which includes an LCD display and a large rotary volume knob. This is an ideal product for both table top and rack shelf installation or fitting into credenzas and AV cupboards as found in many boardroom and classroom equipment installation scenarios. This high performance power amp is extremely well built and suitable for multimedia applications, residential as well as meeting rooms. Features Two analogue L R inputs plus a balanced MIC Line input. Line level output. 2x 50Watts output powering 4 speakers 1x 100Watts output powering 2 speaker RS232 controllable Absolute Volume commands Balance and Mute commands MIC Ducking 48V Phantom Power 24V DC power supply

    AV Parts Master

  22. Startech.com 13Ft 2-Port Usb To Rs232 Serial Adapter

  23. 2 Channel Serial Port Control Relay Module RS232 Opto Relay Board With For MCU S

    Comm Chip: RS232 Modbus relay module is equipped with for MCU and RS232 8 bit electrical level Comm chip, which is mature and stable. Comm Interface: Supports RS232 interface. It plays a role in automatic regulation, safety protection, and switching circuits.

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