Figure 241: Typical Dc Source Cabling From Pem0 To Feed A; Figure 242: Typical Dc Source Cabling From Pem1 To Feed B - Juniper T640 Hardware Manual

Related
Documentation
Copyright © 2013, Juniper Networks, Inc.

Figure 241: Typical DC Source Cabling from PEM0 to Feed A

PEM 0

Figure 242: Typical DC Source Cabling from PEM1 to Feed B

PEM1
CO ground
Chassis
grounding
points
T640 Power System Description on page 60
T640 DC Power System Electrical Specifications on page 427
T640 DC Power Supply Electrical Specifications on page 428
T640 General Electrical Safety Guidelines and Electrical Codes on page 404
Appendix D: T640 Power Guidelines, Requirements, and Specifications
Central office
primary &
secondary
DC power
distribution
Ground
Batteries
window
Central
office ground
Central office
Primary &
secondary
DC power
distribution
Ground
Batteries
window
Central
office ground
Feed A
AC
Rectifiers
Plant
controls
Battery plant
Feed B
AC
Rectifiers
Plant
controls
Battery plant
435