Routers; Figure 146: Typical Dc Source Cabling From Pem0 To Feed A; Figure 147: Typical Dc Source Cabling From Pem1 To Feed B - Juniper TX MATRIX Hardware Manual

PEM 0
PEM1
Chassis
grounding
points
Related
Documentation
Site Electrical Wiring Guidelines for M Series, MX Series, and T Series Routers
Copyright © 2010, Juniper Networks, Inc.
Appendix D: Power Guidelines, Requirements, and Specifications for the TX Matrix Router

Figure 146: Typical DC Source Cabling from PEM0 to Feed A

Figure 147: Typical DC Source Cabling from PEM1 to Feed B

CO ground
Distance limitations for signaling—Improperly installed wires can emit radio interference.
In addition, the potential for damage from lightning strikes increases if wires exceed
recommended distances or if wires pass between buildings. The electromagnetic pulse
(EMP) caused by lightning can damage unshielded conductors and destroy electronic
Central office
Primary &
secondary
DC power
distribution
Ground
window Batteries
Battery plant
Central
office ground
Central office
Primary &
secondary
DC power
distribution
Ground
Batteries
window
Battery plant
Central
office ground
Feed A
AC
Rectifiers
Plant
controls
Feed B
AC
Rectifiers
Plant
controls
343