Руководство По Установке для Cisco Cisco Packet Data Gateway (PDG)
ASR 5500 Installation Guide ▄
95
Chapter 8
Power Cabling
This chapter describes how to connect -48 VDC power feeds to the Power Filter Units (PFUs) on the ASR 5500 chassis.
It includes the following sections:
Important:
The -48 VDC Battery Return (BR) input terminals to the PFUs are not connected to the equipment
frame (chassis) are treated as Isolated DC returns (DC-I) in compliance with GR-1089-CORE (sec.9.8.3).