Specifications

Appendix A: Specifications for DEFINITY media gateways
410 Hardware Description and Reference for Avaya Communication Manager
The following figure shows a typical large battery cabinet, (200 A).
Figure 90: Typical large battery cabinets
DC power distribution
The typical DC distribution system has a DC power converter and cables to provide the power
to the system circuit packs. DC-powered cabinets require -42.5 VDC to -56 VDC.
DC power-distribution unit (J58890CF-2)
The following figure shows a power distribution unit that is used in some DC-powered MCC1
cabinets. The DC power unit sits at the bottom of the MCC1 cabinet and contains the following
components:
● ring generator
● 20-Amp circuit breakers
● terminal blocks
● system fan power
Large battery
cabinets
Circuit
breaker
psdflbc1 RPY 053097