This is a used / pre-loved item, we do our best to uphold the quality of all our used equipment.
The PS 285 is a dual channel booster power supply which functions as an auxiliary power supply should the main power supply (a PS 279 master station or a PS 289 separate power supply) be insufficient to drive the required number of user stations. The unit is placed in the network to feed a dedicated group of user stations.Comes in a case