Abstract: A personal communication network distribution system includes a predetermined number of node devices, a controller, and a network connecting the controller to each of the node devices. The network carries a time division multiplexed signal having a plurality of channels for carrying digital communication information signals between the controller and the respective node devices. Each respective node device is assigned a respective predetermined number of the plurality of channels for receiving digital communication information signals from and/or for inserting digital communication information signals into the time division multiplexed signal. The time division multiplexed signal also includes a second predetermined number of non-assigned channels.

Abstract: An adjustable bed is provided within a substantially rectangular bed frame and a headboard secured to the bed frame. The plurality of adjustable caster assemblies are provided for affixing to a respective side rail of the bed frame, and the caster assemblies cooperate to allow both elevation of the bed frame and thus the mattress supported on the bed frame, and inclination of the bed frame and mattress. Accordingly, the elevation of the head of the bed can be raised or lowered with respect to the foot of the bed, and similarly the elevation of the foot of the bed can be easily adjusted with respect to the head of the bed. Each of the caster assemblies includes adjustment members secured to a side rail of the bed frame, and first and second legs pivotably connected to the adjustment member and pivotably connected to each other adjacent the roller.