From Manufacturer
The Furman ASD-120 AC Sequenced Power Distro is an extremely compact, low-cost rackmount power-distribution system that is ideal for mobile PA systems, touring musical and theatrical acts, mobile recording facilities, on-location film and video shoots, and more. It is ideal for any situation where AC power must be distributed to multiple circuits and a hard-wired, built-in system is missing, inadequate, or impractical.
The ASD-120 allows for six circuits to be powered up in a sequenced fashion, and the sequence is reversed for power down. The delay interval is user-adjustable via an internal trim pot. The front panel provides a three-position switch for each circuit that allows each circuit to be part of the power-up/down sequence, or to remain on or off apart from the sequence. An LED indicates when either the power-up or power-down sequence is in progress. The sequence can be initiated with either momentary or maintained switches, locally or remotely. A duplex outlet is provided for each delay step.