Signal distribution is the heart of AV and it’s really where AV professionals prove their worth. Here are some of the options out there for getting signal from A to B, from traditional to AV Over IP.
In September, Adder Technology announced a new series of point-to-point KVM extenders. ADDERLink XD600 series comprises the XD614, XD641, and XD642 models, with features such as single-, dual-, and quad-head connectivity; emulated USB, copper, and fiber support; MST functionality; visually lossless 4K/60 video; and ultra-low latency. Models include: ADDERLink XD614 KVM Extender, a quad-head KVM extender with inbuilt DisplayPort MST technology and HD resolution; ADDERLink XD641 KVM Extender, a single-head KVM extender designed to deliver 4K/60 KVM extension over a copper or fiber link; and ADDERLink XD642 KVM Extender, a dual-head 4K/60 KVM extender with emulated full and hispeed USB2.0 and support for audio.
In September, AJA Video Systems announced its first partnership with Audinate to launch the first 12G-SDI embedded audio-to-Dante audio bridge. Targeted at live event and Pro AV workflows, the new OGDANTE-12GAM is an openGear, Dante audio embedder and disembedder, with dual 12G-SDI ports, 64 channels of audio, and DashBoard control software integration. The high-density solution bridges 12G/6G/3G SDI sources with embedded audio to and from the Dante audio ecosystem. OG-DANTE-12GAM features industry-wide compatibility with openGear frames, allowing for up to 640 channels of SDI/Dante audio bridging within a single 2RU frame housing ten cards.
The TP315-101 HDMI over AnyWire transmitter from Altinex carries 1080P HDMI signals up to 300 meters using a simple 2-conductor cable; the transmitter can use up to four receivers connected directly through unbundled wire or in a daisy-chain pattern. There is also an IR pass-through for receiver end to transmitter end control. For transmitter output confidence monitoring, a video output is provided to support a local monitor.
Apantac has a unique KVM over IP solution for the popular openGear platform – the OG-KVM-IP-Tx. With its mix-and-match configuration, openGear is a popular standard in the broadcast industry. Apantac has built many Professional AV products (with broadcast quality) for the openGear platform, including solutions based on HDBaseT technology, multiviewers with KVM functionalities, converters, and splitters. This new KVM over IP card is compact, modular, hot swappable, and hot pluggable. Up to twenty OG-KVM-IP-Tx boards can fit into a single 2RU frame with built-in redundant power supplies and network management. Since it is based on the openGear standard, system integrators can also mix and match different cards from multiple manufactures in a single frame. When combined with the Apantac KVM over IP receiver and an off-the-shelf Gigabit Ethernet switch that supports IGMP and Jumbo frame, Apantac’s KVM over IP solution allows multiple users to have access to multiple computers with both fiber and copper outputs.
Last month, ARISTA Corporation announced the Alvista RS-124-A07 1U rackmount dual HDBaseT transmitter/receiver system. Available in three configurations depending on input requirements, the RS124-A07 is designed for flexibility for transmitting video and audio over long distances, such as in projection-mapping environments. ARISTA’s Alvista RS-124-A07 extends audio, video, IR control, Ethernet, and power over a single CATx cable. It supports video resolutions up to 3840 X 2160 (4K UHD) video; the system incorporates 10.2 Gbps of bandwidth on all channels, along with 3D and deep color resolutions. The RS124-A07 is HDCP compliant and Blu-ray ready. To ensure the most flexible operation under a variety of conditions, the RS-124-A07 offers an EDID pass-through, offering the ability to transfer data directly from a source to the display. The RS-124-A07’s receiver module is powered by PoE. Similarly, the transmitter module is powered by PoE. Similarly, the transmitter module provides up to 36 watts of power via PoE.
In April, ATEN Technology released a new KVM-over-IP switch. The CN9600 is a DVI KVM-over-IP switch for remote work, like deploying solutions to a non-technical workforce that may have unreliable Internet access and a lack of remote accessibility features. The product allows users to connect a laptop to the Laptop USB Console (LUC) port to access any computer connected to the switch for on-site management without additional desktop equipment like monitors, keyboards, and mice. The CN9600’s virtual media function allows users to perform diagnostic testing, file transfers, and software updates from a remote console. Users can monitor and access servers from remote locations via standard web browsers or Windows and Java-based programs. It supports encryption, Bios-level access, dual LAN, and dual power. It supports high video resolution up to 1920×1200 @ 60Hz for both local and remote consoles, with FPGA graphics processing.
In August, Atlona expanded its lineup of HDMI extension solutions with the introduction of its Avance Series of HDBaseT extender kits. Building on the core functionality of the company’s UHD-EX family, with additional integrator-friendly features, the new HDBaseT transmitter and receiver sets offer cost-effective extension of 4K/UHD AV signals beyond the distance limitations of HDMI cabling. Four of the Avance kits transmit 4K/[email protected] 4:2:0 video up to 130 feet (40 meters) or [email protected] video up to 230 feet (70 meters) over Cat-6A/7 twisted pair cable, while the fifth transmits [email protected] 4:2:0 video over longer distances up to 330 feet (100 meters). The Avance Series lineup comprises five extender kits. EDID filtering prevents extension of unsupported resolutions, while clock stretching improves interoperability with legacy and low-quality HDMI video sources. Integrated HDBaseT link test enables verification of cabling, termination, and link quality at the point of install. A new feature with the Avance Series is bi-directional remote power, available on the AVAEX70CBP-KIT and AVA-EX100CEBP-KIT. It enhances installation flexibility by providing a choice of whether the transmitter powers the receiver or vice versa. This allows the power supply to be located near either the source or the display, depending on available outlets.
Aurora Multimedia features encrypted [email protected] 4:4:4 10Gbps AV over IP transceiver box and wall plates, utilizing their Patent Pending IPBaseT technology, based on the BlueRiver NT+ SDVoE platform. The IPX-TC3 and IPX-TC3 Pro are unique in they are the only 10Gbps SDVoE transceivers to have redundant fiber version and selectable copper fiber in a single unit. Aurora is also the first company to utilize PoE with 10G. Aurora provides an entire solution with its SDVoE wall plate. The products offer switching; USB 2.0 (480Mbps); Dante /AES67 8-channel; 1Gbps Ethernet and control; and support for dual OSD and ReAX. Key features include the EDID editor allowing for full manipulation of an EDID to create common denominators.
The compact BlackBox ZeroU transmitter works with the Emerald SE receiver to give users a seamless desktop experience anywhere on a TCP/IP network — with actual hardware housed securely in a corporate data center or in the cloud. With dimensions of 7(w) x 15.5(l) x 2.5(h) cm, the ZeroU device is ideal for applications in which space is limited or costly. Supporting visually lossless full HD DVI video up to 1920 x 1200 and requiring less than 40 Mbps bandwidth for 1080p video, the transmitter brings high-performance connectivity to broadcast and postproduction trucks, healthcare emergency rooms, air traffic control rooms, industrial and transportation control rooms, educational facilities, and more. The ZeroU device can function as a basic point-to-point extender. Alternatively, it can be used with other types of Emerald transmitters in a KVM matrix switching setup that addresses all the unique connectivity requirements of a particular facility or application. In conjunction with the Emerald SE receiver, the ZeroU enables seamless remote desktop connectivity to physical PCs, servers, and video sources, as well as virtual desktops hosted on servers or in the cloud. Like all Emerald devices, the ZeroU transmitter can be managed by Boxilla, the KVM network management system from Black Box.
In September, Crestron announced the latest evolution of its flagship DM NVX AVover-IP signal distribution platform. The new DM-NVX-360 and DM-NVX-363 models are designed to support the latest industry standards and formats, including AES67, Dolby Vision, HDR10+, and POE+. The format-agnostic DM NVX platform features advanced encryption and security standards. This latest evolution of the DM NVX platform employs Crestron’s Pixel Perfect Processing technology and supports HDR10+ and Dolby Vision.
The DN-200 Series is the flagship product of the DisplayNet AV-over-IP product line. It utilizes SDVoE technology and off-the-shelf switches to distribute uncompressed AV signals with resolutions of up to 4K/60 over a 10GbE Ethernet network. The DN-200 Series adds support for HDMI 2.0 with up to 8-bit color (4:4:4) or 12-bit color (4:2:2 or 4:2:0), HDCP 2.2, DisplayPort 1.2, and High-Speed USB 2.0 with virtual hub support. A high-performance scaler in both the transmitter (Tx) and receiver (Rx) units enables very fast switching, advanced MultiViewer, and advanced video wall processing. TX units accept HDMI (with embedded audio and HDCP), DisplayPort, analog stereo audio, bidirectional IR, RS-232, and 1GbE Ethernet. The DN-200 Series supports twisted pair (CAT6a or CAT7) media up to 328 ft. (100 meters), or fiber optic media via an industry standard SFP+ module, supporting extension distances up to 18 miles (30 km). Signals may be routed in point-to-point, matrix switching, video wall, and MultiViewer modes all in the same system. Each signal layer can each be routed independently.
Signal distribution is not just about electronics; when cable is involved it’s a mechanical design too. In August, FSR released its new Symphony Pedestal, extending the company’s popular Symphony Collection of power and charging solutions. The new Symphony Pedestal power and charging tower makes waiting areas and workspaces an inviting place to plug in, offering 4 AC outlets for users to remain charged and ready. The new Symphony Pedestal offers a form factor that allows for customization options to connect a CAT6, 6a or 7, along with AV cables to bulkhead AV connections. This floorstanding unit provides AC power and USB charging, along with snap-ins and a cable passthrough. A 9’ AC cord supplies power from a standard 125VAC 15A outlet. Sized to fit under a desk or table, the pedestal can give people peace of mind in waiting areas, at home or at work. The Symphony Pedestal is available in two height sizes, 24” or 30”. Additional features include a dual USB charger that supports full 5V 10W charging capability on each charging port, discreet charging and utility outlets, custom configurations with keystone connectors, with VGA and XLR available.
In March, Guntermann & Drunck (G&D) added new features to its ControlCenter-IP, a high-performance matrix for KVM-over-IP. ControlCenter-IP now includes integration of generic USB devices and high speed USB 2.0 in KVM-over-IP installations. In addition, the MatrixGuard function was implemented in the ControlCenter-IP to provide extensive security for possible failure scenarios. The MatrixGuard enables extremely secure, redundant clusters to be implemented in KVM-over-IP environments. It is now possible to integrate Generic USB devices into the ControlCenterIP to make it even easier for users to connect mass storage devices. Operators can also flexibly decide whether the matrix should support HID (keyboard/mouse) or mass storage devices and define this accordingly from Generic HID to Generic USB (or vice versa) in the configuration interface. With the launch of the new U2-LAN-04 extender, users can also integrate high-speed USB 2.0 signals with a speed of up to 480Mbit/s into their ControlCenter-IP installations. U2-LAN-04 end devices can be paired with KVM-over-IP extenders and switched synchronously or separately via the IP-Control API. When multiple ControlCenter-IP devices are running in a clustered installation, one of the switches takes over the role of the master with failsafe to the other devices.
At press time, Hall Research introduced the ECHO series of extension products that allows a single HDMI 2.0 source to display remotely at up to eight different locations via HDBaseT technology. HDMI resolutions up to [email protected] (4:4:4) can be extended up to 70 meters, while resolutions up to 1080p can be extended 100 meters over a single Cat 5e or Cat 6 cable. The ECHO family supports HDCP 2.2 and 1.4 content protection, and HDR10. The ECHO family also extends RS-232 serial data, and bi-directional IR for control of remote devices. All senders include a local HDMI output, EDID routing control, de-embedded analog audio, and Power over Cable (PoC) to power remote receivers. The ECHO-4S and ECHO-8S have built-in HDMI splitters to extend a single video to four and eight receivers respectively, plus RS-232 and IR loop output for daisy-chaining. The ECHO-RX2 receiver has a built-in HDMI splitter for connection to a secondary display, RS-232 and bi-directional IR for control, and de-embedded analog audio output. When used with an ECHO-1S, install the power supply at either sender or receiver—whichever is more convenient.
In September, IHSE debuted the Draco SIRA User Station—a remote extension appliance for KVM networks that integrates with Draco SIRA CON Unit for IP access, allowing secure access to any IHSE KVM matrix system. The appliance provides keyboard and mouse connectivity as well as analog audio output. Up to three 4K displays can be connected via two DisplayPort connectors and one HDMI 2.0 interface. Multiple incoming KVM streams are supported and allow optional display capabilities to arrange multiple images in a single quadview arrangement. The Draco SIRA User Station provides flexible remote access to all servers and devices connected to a Draco tera matrix. The TCP/ IP protocol is isolated from the matrix by the use of a secure and encrypted interface over the connected network. These units can operate as standalone units and combined together to create a secure IP-KVM system using the highest level of encryption and network security interfaces.
The industry’s first solution to support the latest Dante eight-channel chipset, the 767DSS transmitter from Just Add Power not only distributes Ultra HD and 4K video with HDCP 2.2 over a single Cat-5e cable, but takes Ultra HD over IP systems to a new level by adding compatibility with Dante and AES67 audio networks with separate switching of audio and video. The 767DSS transmitter allows installers to input up to eight audio channels from the J+P system for playout on Dante-enabled and AES67 devices and extract up to eight channels from the audio network for playout across the J+P system. The 767DSS is backward-compatible with legacy two-channel Dante and AES67 devices, while offering higher performance with lower compression — bitrates of 176.4 and 192 kHz — and latency as low as 0.25 milliseconds on Gigabit Ethernet. Secondary connectivity is built-in for glitch-free performance and to provide redundancy for high-availability applications.
The KanexPro SW-HDSC42D4K presentation matrix extender receiver has four video connector inputs with the ability to extend up to 70 meters. The matrix has three HDMI inputs and one USB-C input, plus two outputs, including a single HDMI output with external audio and an extender output with one HDMI loop output. Additionally, the SWHDSC42D4K features one MIX audio input and one MIC audio input for global audio compatibility. Designed to be the central component for an AV system, the SW-HDSC42D4K claims true 4K scaling up to [email protected] 60 Hz at 4:4:4. The built-in extender output enables the transmission of HDMI 2.0 signal over a CATx cable to ensure pristine, original image quality. The SW-HDSC42D4K can be controlled and customized by any third-party control system, including Web GUI, RS232, IR and CEC.
Kramer Electronics’ 20-port audio matrix with DSP and interchangeable inputs and outputs—the AFM-20DSP–provides configuration flexibility and eliminates I/O limitations with its 20 interchangeable analog audio ports. AFM-20DSP carries 8 AEC channels, auto feedback suppression, Dante support, built-in Hi-Z and Lo-Z 120W power amplification, and complete DSP functionality powered by Xilica Audio–a prominent name in the development of DSP systems since its establishment in 2002. For video, AFM-20DSP provides HDMI embedding and de-embedding at 4K60 4:2:0. AFM20DSP supports both fixed and open architecture.
The Lightware Visual Engineering HDMI20-OPTJ-TX90 and HDMI120-OPTJRX90 4K HDMI 2.0 compatible fiber optical extenders carry HDMI 2.0 class 4K signals with embedded audio to up to nearly 3000ft. and a full HD signal over 8000ft. over one multimode fiber cable. The hardware features a solid machined aluminum body and firmware can be updated through USB.
Matrox Extio 3 Series of IP KVM extenders deliver [email protected] 4:4:4 UHD or quad [email protected] 4:4:4 performance over standard Gigabit Ethernet at unprecedented low bitrates. Extio 3 IP KVM extenders can be configured as a point-to-point or networked KVM extender, extending multiple video, keyboard, mouse, USB 2.0, and audio signals using a single fiber optic or copper cable. Ready compatibility with standard network switches significantly diminishes the total cost of ownership to deliver a scalable KVM matrix switching solution. Featuring four DisplayPort connectors, Extio 3 also extends multi-display desktops with a single pair of transmitter and receiver devices.
In January, MuxLab unveiled its HDMI over IP H.264/H.265 PoE Transmitter, for low latency A/V streaming via H.264/H.265 Each transmitter connects a video source via an Ethernet switch to a MuxLab receiver, such as the HDMI over IP H.264/H.265 PoE receiver, which delivers [email protected] AV to each connected display. The transmitter also supports a MotionJPG (MJPG) video codec setting for low latency applications. The transmitter provides a two-channel audio input that can be delivered alongside HDMI on the receiving end. Sources can connect to the Ethernet switch using standard CAT5e/6 cable from up to 100 meters away. PoE is supported..
Neutrik USA‘s 2-input/2-output NA2-IODPRO Dante Interface features two inputs switchable between Mic, Line, and AES/EBU signals, plus two outputs switchable between analog Line and AES/EBU. Two Dante ports provide for either redundancy or device daisy chaining. With its small size, metal construction, and removable rubber protector, the NA2-IO-DPRO offers a rugged, reliable solution for a wide range of applications.
The Opticis HDFX-500-TR supports the HDMI 2.0 standard and transmits [email protected] 4:4:4 up to 656 ft. over one LC multi-mode fiber (OM3) without any data compression. The transmitter supports 3D content and complies with CEC, EDID, and HDCP. It also supports HDR within its maximum bandwidth of 18Gbps. It features a high-retention HDMI connector to prevent accidental disconnection if subject to any vibration or movement. Opticis also developed their DPFX-400-TR as a DisplayPort 1.2 multimedia fiber optic extender. It can transmit DisplayPort 1.2 signals and analog RS-232 up to 4,921ft. on a duplex LC single-mode fiber in 4K 60Hz. Support includes an MST feature as well as auxiliary/I²C transmission. Moreover, it provides both DisplayPort and HDMI output with dual-mode DP (DP++).
The VuMATRIX 4K-60-POE-KIT from Pro Video Instruments is an HDMI over IP HDBIT matrix extender transmitter and receiver kit that allows users to distribute HDMI video up to full [email protected] 4:4:4 HDMI 2.0 HDCP 2.2 over any Cat-6 cable, up to 500ft., or to any distance over the existing IP Ethernet network, sharing Gigabit switches, Gigabit routers, and high-speed 5G WiFi. It is expandable to up to 99 transmitters and an unlimited number of receivers. Using a VuMATRIX Smart Controller, which enables auto-discovery and naming, users can control the VuMATRIX network from a free VuMATRIX app available for iOS or Android.
The Purelink HOF 2.0 Tx/Rx provides long-distance distribution of 4K/60 video, audio, and control signals over fiber. Ultra HD/4K, HDMI 2.0 (18G), embedded audio, RS-232, and bi-directional IR are all supported over distances up to 3,300 ft. using PureLink’s TOTALWIRE LC-terminated fiber optic cables. Features include real-time auto-EDID management and support for Dolby Atmos, DTS-HD Master Audio, and LPCM 2/5.1/7.1.
Rose Electronics provides a KVM extension solution with the CrystalView DVI EX. It takes DVI video, keyboard, mouse, audio, and USB 2.0 devices up to 1,640ft. over Cat-X UTP cable; its stereo sound can be transmitted in either direction. The remote unit has three integrated USB 2.0 ports, expandable to as many as 13 high-speed USB 2.0 devices using USB hubs. This configuration can be used for additional devices such as webcams, microphones, speakers and flash drives. Up to 500MA of power is available at each USB port for running high-power USB devices.
A set of audio distribution “problem solvers” from RTI consists of digital audio converters (DACs), a delay module, and an extender kit. The products are purpose-built to resolve common audio challenges. New RTI DACs include the ADA-1 Dolby Digital-to-Analog Downmixer and the VDM1x HDMI Downscaler With Downmixer. The ADA-1 decodes audio signals from sources with S/ PDIF coaxial or TOSLINK optical outputs— such as Blu-ray players and media streamers—and converts them to standard stereo output for analog sound systems. The VDM1x is well suited for multi-zone installations featuring a mix of both HD and 4K sources and displays. In addition to downscaling or upscaling for displays of different resolutions, the unit down-mixes incoming Dolby Digital to stereo PCM audio. To address lip-sync issues and the challenges of long-distance signal distribution, RTI offers the ADM-1 Audio Delay Module and AXP-1 Digital Audio Extender Kit, respectively. To compensate for delays caused by differences in the audio processing speed of output devices, the ADM-1 allows integrators to delay audio from 20ms to 340ms using a 16-way selector dial. The AXP-1 seamlessly transmits audio over distances surpassing 650 feet using a standard Cat-5e/6 cable. The unit supports coaxial and S/PDIF digital audio signals, stereo and multi-channel digital audio, two-channel PCM sources, and 5.1 compressed audio.
SnapAV’s Binary 520 Series 1080p HDBaseT conference room extender and scaler can convey HDMI or VGA with stereo audio signals over distances up to 230 ft. along with bidirectional IR, RS-232 and IP over a single Cat-X cable. Priority can be given to either HDMI or VGA video input via DIP switch settings. For more installation versatility, a single 12VDC power supply can operate the transmitter and receiver units. Source equipment can be operated on the same link with system’s bi-directional IR, RS-232, and IP capability. For longer runs, the Binary 560 series carries up to 18Gbps of [email protected] 4:4:4 and bi-directional IR and RS-232 up to 330 ft. It also supports 2-channel PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS, DTS-HD Master Audio, and DTS-X. A front panel DIP switch provides control for different modes of operation
In August, TEKVOX introduced the ShareView Wireless Presentation System (79060- WPS) for conference rooms and collaboration systems. The new ShareView Wireless allows multiple users to share content on a single display at once, and supports 4K resolution, all without requiring any wires or cabling. ShareView combines a multiview switcher combined with a wireless presentation system. Two to four small HDMI transmitters, one per source, deliver plug-and-play functionality from any laptop, tablet, or smartphone. With the HDMI transmitters, no client software is needed and the point-to-point transmission is supported eliminating the need for access to the site’s WiFi network. The device also supports hardware-free access from iOS, Android and Windows devices. ShareView Wireless has serial control, so it integrates with any TEKVOX system; users can control the system via built-in touch-to-select buttons or RS232 commands. Model 79060-WPS includes the WMS-20 base unit and two transmitters and supports side-by-side multiview. Model 79060-WPS4 includes the WMS-40 base unit and four transmitters and supports quad multiview.
Thinklogical makes the world’s largest and highest-capacity matrix; the TLX1280 is a protocol agnostic, non-blocking switch for complete, end-to-end routing of video, audio, KVM, USB and other AV and computer peripheral signals. Supporting 10Gbps of uncompressed bandwidth per port, the TLX1280 is scalable in increments of 32 ports up to 1280 ports, for a unidirectional 1280×1280 or a bidirectional 640×640 switch. The TLX1280 is based on a 10Gbps uncompressed signal transmission protocol, preserving signal integrity forr distribution and switching of the high resolution 4K video.
From tvOne, comes the new Magenta low smoke zero halogen (LSZH) active optical cables. The new active optical cables feature both DisplayPort 1.4 and HDMI 2.0 options, from lengths of 10 to 100 meters (328ft). The low smoke zero halogen cables extend high resolution signals over long distances in applications where smoke emission and toxic fumes pose a risk to human health in the event of a fire. These plug-and-play cables support up to [email protected] 4:4:4 with no compression or latency up to 328 ft. (100m) and without the need for external power. The LSZH active optical cables expand on the existing Magenta Research active optical cable product line, designed for rental & staging applications, where space, distance and safety is key.
A descendant to the Vanco Evolution EVEX2006 HDMI extender, the Evolution EV4K2006 4K HDMI extender offers additional 4K capabilities to professional AV installations of any size and scale. The EV4K2006 offers a convenient solution for HDMI extension with bi-directional IR, auto EDID/EQ, and bi-directional PoE, allowing either the transmitter or receiver to be powered without the use of a power supply. The EV4K2006 includes two units: a transmitting unit and receiving unit. The transmitting unit is used to capture the HDMI input with IR signals and carries the signals over a single Cat-5e/-6 cable and the receiving unit is responsible for equalizing the transmitted HDMI signal and reconstructing IR signals.
Earlier this year, ZeeVee brought several new signal distribution products to market for their Zyper 4K line. Among them: the ZyPer 4K AV Decoder with Dante supports IP-based transport and distribution of uncompressed streaming audio. This decoder enables users to route any audio source within a ZyPer4K deployment to a Dante network to take advantage of features such as “human” readable names for all connected devices, automatic device discovery, one-click routing, and low deterministic latency. The ZyPer4K Quad Encoder Card for Netgear M4300-96X (formerly ZyPer4K HDMI Module) is the world’s first Ethernet switch with integrated HDMI connectivity for the distribution of 4K/UHD and HDR content. It plugs into the 96-port NETGEAR 10G M4300- 96X Modular Managed Ethernet switch and accommodates up to four HDMI sources.
The Zigen ZIG-POEPRO-100A is a long-distance [email protected] 4:4:4 HDMI extender that conveys HDMI over a single UTP/STP with bi-directional RS-232 and IR. The transmitter will safely detect, classify, and provide 48V up to 25W power to the receiver connected to the HDBaseT port. The link is continuously monitored for any fault or overloading conditions and the current is limited to avoid hazardous conditions.