What is the Voltserver PRX-440?
The Voltserver PRX-440 is an optical line terminal (OLT), listed by the manufacturer as "1. VoltServer,PRX-440,Receives 1-4 conductor pair(s) from 1-4 PSB Line Cards, and converts input VS Digital Power to Analog Bridge Mode output to power 1 or 2 remote 90-240". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.