A rack unit, U or RU is a unit of measurement that describes the height of equipment designed to mount in a 19″ rack. Racks offer room for equipment that is 19″ wide, and have variable heights, which are expressed in rack units. One rack unit (1U) is 1.75″ (44.45 mm) of vertical space, or More >
Problem: No AC output power Possible Causes: 1. Poor contact with the DC power outlet. 2. The vehicle’s electrical system requires ignition to be on. 3. The vehicle’s DC power outlet fuse is blown. 4. Over-heating of the power inverter. 5. The vehicle’s battery voltage is below 11 volts. 6. The vehicle’s battery input voltage More >
A 19″ rack is the standard EIA-310 server rack. The term comes from the width of the equipment in the rack. The only dimension on a 19″ rack that actually measures 19″ is the width of the front panel of the rack mount equipment. This means the distance between the mounting flanges of a rack More >
The Automatic Voltage Regulation (AVR) in UPS systems adjusts the incoming AC voltage to stabilize the output power to connected equipment.
Cage nuts are used almost exclusively in rack angles with square mounting holes. They consist of a square nut wrapped in a spring metal cage that is slightly larger than the nut. This spring steel has two flanges that when pinched together allow the component to fit into the square hole on 19″ racks.
What is the Wiring-Fault Indicator Light?
The LED indicator will illuminate red to warn the user that a wiring problem exists, such as bad ground, missing ground or reversed wiring.
Rack screws are used to attach equipment to the rack angles of a 19″ rack. There are several sizes available, but 10-32, 12-24 and M6 are the most common. Exact threads can vary by manufacturer. 10-32 Threads The number “10” is a size designator with no numerical meaning. The number “32” refers to 32 threads More >
Our surge protected wall taps have been designed with safety in mind. They include Tamper Resistant (TR) outlets with internal shutters that block foreign objects from entering the open spaces to prevent accidental electrical shock from occurring. Here are some tips for connecting equipment: Download PDF Instructions TECHNICAL SUPPORT Please contact our Tech Support department with installation, troubleshooting, More >
Try plugging the device directly into the PC, bypassing the USB hub. If the device works in the PC but not in the hub, the hub may be faulty. For additional information, please contact our technical support team.
The AVR functionality is only for the Battery/Surge outlets. It will not correct the voltage on the Surge only outlets.
Category 6 cable, commonly referred to as Cat 6 (Cat6), is a standardized cable for Gigabit Ethernet and other network physical layers. It is backward compatible with the Category 5/5e cable standards.
The M1100XL can have up to two (2) additional battery packs (model BP36V60ART2U) added to it via the connection on the back panel. The M550L and M750L are not equipped for additional batteries.