G-TAP A Series Power Supply Tray (PST) is designed to power larger deployments of A Series TAPs. The PST fits in a standard 19 inch rack and can power up to 24 TAPs. The PST offers redundant power supplies for each half of the system and can be connected to two different power grids for added failsafe capabilities. This allows for redundant power connections for each of up to 12 TAPs per PST. Custom DC-to-DC twist-lock power cables are used to connect the rear of the PST to the rear of the A Series TAPs.