APC Back-UPS ES 750 & Back-UPS RS 900 APC (American Power Conversion) is practically synonymous with UPSes, so much so that a lot of people actually call UPSes APCs, similarly to how people call tissues Kleenex or photocopies Xeroxes. APCs experience shows in its products, as the runtimes of the APC units I tested were much higher than the advertised VA (volt amp) ratings would suggest. Additionally, the bundled PowerChute software is first-rate. There arent many outward bells and whistles, however, and both units share some typical minor APC quirks. The Back-UPS ES 750 looks like a wide, fat, tall power strip and only has one button and status light. As with all APC units, you have to connect the internal battery yourself, which requires good hand strength, nimble fingers, and possibly a pair of needle-nosed pliers. Also common of all APC UPSes is a nonstandard connectivity cable, which is USB on one end and what looks like a fat LAN cable connector on the other. Keep the cable safe, as my local Radio Shack didnt carry spares. The units 10 sockets (five backed up, five surge-protected) encourage heavy use, and the unit managed to power my test machine for 19 minutes. Built-in coax connectors can filter your cable modems cable, which is rare for this price point. The Back-UPS RS 900 is an upscale unit for home and office use. It looks like a small, beige computer tower but is about half as wide as a SFF-style chassis. Theres a push-button switch and four clearly labeled indicator lights on the units front, with all the other connections located on the back making for a tidy presentation. The RS 900 has jacks for both phone- and network-surge protection, along with a grounded screw for various audio and network hardware. There are
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Uninterruptible Power Supplies (UPS)
Uninterruptible power supplies (UPS) are backup batteries that provide emergency power to electrical systems in case power becomes unavailable. They are connected between a power source (such as an electrical outlet) and the equipment to protect (such as a motor or computer).
Single Phase Uninterruptible Power Supplies (UPS)
Single phase uninterruptible power supplies (UPS) sit between an AC outlet and an electronic device to provide power conditioning, back-up protection, and distribution for electronic equipment loads. They also prevent power disturbances from affecting the performance and life of the electronic device and vital data.
Three Phase Uninterruptible Power Supplies (UPS)
Three phase uninterruptible power supplies (UPS) operate in conjunction with existing electrical systems to provide power conditioning, back-up protection, and distribution for electronic equipment loads that use three-phase power.
Video cables are used for the transmission of video signals, including monochrome, composite and component color video signals.
Medical Cable Assemblies
Medical cable assemblies are designed to connect medical and laboratory instruments and equipment. They transmit power and/or data and usually have an abrasion-resistant jacket that provides relatively low surface friction and mechanical durability. Many are designed with a high degree of flexibility to avoid kinking, and temperature-resistance to withstand autoclave sterilization. Some are disposable.
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