NUT can be configured using the Management Console as described above, or you can configure the tools and manage the UPS’s directly from the command line. This section provides an overview of NUT. You can find full documentation at http://www.networkupstools.org/doc.

NUT is built on a networked model with a layered scheme of drivers, server and clients.

1.The driver programs talk directly to the UPS equipment and run on the same host as the NUT network server upsd. Drivers are provided for a wide assortment of equipment from most of the popular UPS vendors and they understand the specific language of each UPS and map it back to a compatibility layer. This means both an expensive "smart" protocol UPS and a simple "power strip" model can be handled transparently.

2.The NUT network server program upsd is responsible for passing status data from the drivers to the client programs via the network. upsd can cache the status from multiple UPS’s and can then serve this status data to many clients. upsd also contains access control features to limit the abilities of the clients (so only authorized hosts may monitor or control the UPS hardware).

3.There are a number of NUT clients that connect to upsd to check on the status of the UPS hardware and do things based on the status. These clients can run on the same host as the NUT server or they can communicate with the NUT server over the network (enabling them to monitor any UPS anywhere).

The upsmon client enables servers that draw power through the UPS (i.e. Slaves of the UPS) to shutdown gracefully when the battery power reaches critical. Additionally, one server is designated the Master of the UPS, and is responsible for shutting down the UPS itself when all Slaves have shut down. Typically, the Master of the UPS is the one connected to the UPS via serial or USB cable.

upsmon can monitor multiple UPS’s, so high-end servers which receive power from multiple UPS’s simultaneously won't initiate a shutdown until the total power situation across all source UPS’s becomes critical.

There also the two status/logging clients, upsc and upslog. The upsc client provides a quick way to poll the status of a UPS. It can be used inside shell scripts and other programs that need UPS status information. upslog is a background service that periodically polls the status of a UPS, writing it to a file.

All these clients run on the Console Server (for Management Console presentations) but they also are run remotely (on locally powered servers and remote monitoring systems).

This layered NUT architecture enables:

Multiple architecture support: NUT can manage serial and USB-connected models with the same common interface. SNMP equipment can also be monitored (although at this stage this is still pre- release with experimental drivers and this feature will be added to the embedded UPS tools in future release).

Multiple clients monitoring one UPS: Multiple systems may monitor a single UPS using only their network connections. There’s a wide selection of client programs which support monitoring UPS hardware via NUT (Big Sister, Cacti, Nagios, Windows and more). Refer to www.networkupstools.org/client-projects.)

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93-2879, B096-016, B096-048 specifications

Tripp Lite is a renowned manufacturer of high-quality connectivity products, and their series of HDMI over IP extenders, including the B096-048, B096-016, and 93-2879, showcase the company's commitment to delivering innovative solutions for audio-visual distribution. These products are designed for seamless video and audio transmission over standard Ethernet networks, making them ideal for a wide range of applications in both commercial and residential settings.

The Tripp Lite B096-048 is a remarkable model capable of transmitting HDMI signals over an IP network with exceptional clarity and reliability. It supports resolutions up to 4K at 60Hz, enabling users to enjoy high-definition content without any compromise in quality. The B096-048 can extend signals up to 150 meters using a single Cat6 cable, making it perfect for large spaces or setups where long distances between source and display are required.

Similarly, the B096-016 offers impressive capabilities, supporting HDMI signals over IP and allowing users to extend 1080p signals up to a distance of 120 meters. This model is particularly suitable for applications where full HD resolution is adequate, making it a cost-effective solution for smaller installations or environments where the highest resolutions are not necessary. Both models benefit from advanced features such as EDID management, which ensures compatibility between various devices, and plug-and-play operation for quick and easy setup.

The Tripp Lite 93-2879 complements this product range by providing a versatile option for users looking to simplify their HDMI distribution. This device serves as a matrix switcher, allowing multiple HDMI sources to connect to different displays over an IP infrastructure. The unique capability of routing signals as needed gives users the flexibility to control multiple displays conveniently from a central location.

Features such as support for HDR and a variety of audio formats, including multi-channel audio, enhance the versatility and appeal of these products. Additionally, they incorporate robust security protocols to ensure safe data transmission, along with streamlined network management compatibility.

Overall, Tripp Lite’s B096-048, B096-016, and 93-2879 models represent the forefront of HDMI distribution technology, combining robust performance, user-friendly design, and advanced features to meet the demands of modern AV environments. Whether for corporate presentations, digital signage, or home theater setups, these products provide reliable solutions for high-quality audio and video transmission.
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