Nortel cabinet power supply. The lower revision levels had a problem but it can be repaired. A repaired unit from us will definitely outlast a used unit from ebay.
Low voltage power supplies for ANY thing.
This power supply is used in a number of Nortel mini cabinets and has a tendency to burn up the 48V section. We wind brand new T8 transformers and rebuild the drive circuits to restore operation. We're so confident we give a one year warranty.
Telecom rack mount power supply.
Mitel SX2000 Power Board
Tie GSP229 power supply