In today's digital age, a reliable UPS (Uninterruptible Power Supply) battery backup is not just a luxury—it's a necessity. Imagine you're in the middle of an important project, or worse ...

The UPS still needs to have a case ... which can automatically patch between incoming line voltage, and the battery backup. He already had one of these switches in place for use with a generator ...

The I-211M-L modem is actually equipped to run on backup battery power ... Some neat cabling to keep the battery charged later, and you’ve got a working UPS setup to keep the comms online.