Mx2020 Dc Power Distribution Module (-48 V) Leds - Juniper MX2020 Hardware Manual

Calculating DC Power Requirements for MX2020 Routers
DC Power (240 V China) Circuit Breaker Requirements for the MX2000 Router | 216
MX2020 DC Power Distribution Description | 201
MX2000 Router DC (240 V China) Power Subsystem Electrical Specifications | 207
Site Electrical Wiring Guidelines for MX Series Routers

MX2020 DC Power Distribution Module (-48 V) LEDs

Each DC PDM faceplate contains one bicolor LED for each of the seven or nine input power feeds (–48
V), indicating the correct or incorrect polarity connection of each feed.
Figure 48 on page 110 shows the –48 V DC PDM LEDs.
NOTE: The –48 V DC PDM or PSM will have –48V written on the faceplate.
Figure 48: DC Power Distribution Module LEDs
SeeTable 30 on page 111.
110