Status Indicator LED's Provides a quick visual indication of your unit's status. Cascading capabilities Horizontal console port servers can be cascaded to manage up to 1,024 devices. Rack Mount 1U rackmountable. Hardware included. Intelligent battery management Maximizes battery performance, life, and reliability through intelligent, precision charging. Hot Pluggable Operation Add or remove servers without having to power off the switch. Replace Batt Indicator Hot Swap Batteries