"PowerStack protects your stackable data communications hubs, switches and small routers from AC power disturbances that can cause unpredictable network outages and downtime. PowerStack only takes up 1U of rack space, so adding a singe unit or multiple PowerStacks to protect your internetworking equipment is no problem. It can deliver power protection to 4 stackable units with 6 minutes of run time at full load. PowerStack fits wiring closets or stackable applications where space is a premium. For users protecting a small server with the PowerStack, you can utilize the power of APC's PowerChute plus with just a few key- strokes. This powerful software enhances the reliability of your network. PowerChute plus for Windows NT and Windows 95 automatically responds to protect your system/data integrity during power crisis situations. Includes PowerStack, Rack Mounting Brackets, Smart UPS signalling RS-232 cable, CD with software and manual. * AVR Boost Automatically corrects brownout conditions allowing you to work through brownouts without unnecessary battery drain. * AVR Trim Automatically corrects overvoltage conditions allowing you to work through overvoltages without unnecessary battery drain. * Four Power Outlets This space-economical UPS provides four power outlets and can be installed where you need it in just minutes. * Hot Swappable Batteries Hot swappable batteries allow you to swap-out the batteries while your network stays operational. Battery replacement, via the PowerStack's removable front panel, is straight forward, intuitive and requires no formal training. * Advanced Battery Monitoring The product automatically performs a self-test every two weeks. This ensures you will be alerted to degraded batteries before they wear out. Through software, or the push of a button, you may perform self-tests anytime. * Load Meter The Load Meter prevents you from exceeding UPS capacity. The Volt Meter reports utility line voltage and battery capacity, allowing you to gauge how much time you have before batteries are depleted. An alarm sounds when batteries are low, allowing you time to save data and shutdown the system. * Site wiring fault indicator Alerts you to potential problems, such as missing ground and reversed polarity, two common miswirings which usually require an electrician?s visit to diagnose. * ,000 Lifetime Equipment Protection Policy COMMUNICATIONS & MANAGEMENT- Interface port: DB-9 RS-232 Control panel : LED status display with On Line, On Battery, Replace Battery, and Overload indicators. Audible alarm : Alarm when on battery, distinctive low battery alarm, configurable delays. OUTPUT - Output power capacity : 250 VA Output power capacity : 165 Watts Nominal output voltage: 120 V Waveform type : Stepped approximation to a sinewave Output Connections : (4) NEMA 5-15R INPUT - Nominal input voltage : 120 V Input frequency : 50/60 Hz +/- 3 Hz (auto sensing) Input Connection Type : NEMA 5-15P Cord Length : 6 feet Input voltage range for main operations : 82 ~ 144 V Input voltage adjustable range for main operations: 75 ~ 154 V SURGE PROTECTION- Surge energy rating: 400 joules Filtering : Full time multi-pole noise filtering, 0.7% IEEE surge let-through, zero clamping response time, meets UL 1449. RUNTIME- Typical backup time: 29.8 minutes (82.5 Watts) at half load Typical backup time: 8.9 minutes (165 Watts) at full load BATTERIES- Battery type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte, leakproof. Typical recharge time : 5 hour(s) Replacement battery cartridge: (1) RBC18 Liquid Electrolyte Value : 0.0 SOFTWARE- PowerChute PowerStack bundle includes Compaq Insight Manager plug-in LanDesk Server Manager plug-in Lotus Notes/Domino Shutdown Netfinity plug-in PowerChute plus for Novell NetWare v4.3.2 PowerChute plus for Windows NT on Intel v5.1 APPROVALS- CSA, FCC A, UL 1778"
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