Carte de batterie de résérve 120 Vac / 129 Vdc to -48 Vdc

The Plug-in Power Supply Card has an input of 120 Vac or 130 Vdc to -48 Vdc output to power either a 5-card Shelf or the 8-card Shelf.

The Plug-in Power Supply Card (751318MC) will not work with older Model shelves, whose Model number ends in /13.

Product Number CLEI Code Description Download Documents
751318MC NPPSFYDBAA Plug-in Power Supply Card 120 Vac /-48 Vdc or 130 Vdc/-48 Vdc Specifications Installation Guide

Carte de secours de batterie 120 Vac / 129 Vdc to -48 Vdc Sortie

Two Plug-in Power Supply Cards may be installed in the 5 or 8 card Teleline shelf for redundancy. Each card is capable of providing the power required by a fully loaded shelf. When two cards are available, the load is shared by the two cards. If one of them fails, the other one takes over the full load without interruption of power.


  • The card input voltage is 120 Vac or 130 Vdc without jumper setting
  • The card provides 1000 Vdc isolation between the supply input and backplane output
  • The card allows for redundancy if two are connected in the shelf. If one card fails, the other takes over the full load
  • A “Power In” LED and a “Power Out” LED allow easy assessment of power supply functionality

The power supply can be housed in the 5-card Shelf (751112/15), the 8-card Shelf (751109/15), or in many of our High Voltage Interface (HVI) pre-configured units.


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