UPS Compatibility list for PSP Unix Personal Solution-Pac for Unix is compatible with: Pulsar Ellipse S and USBS (serial link) / Ellipse Premium S and USBS (serial link) Pulsar Evolution Pulsar EXtreme C / EX RT Pulsar / Comet EXtreme Comet EX RT 1:1 / 3:1 Pulsar ESV+ / EX