Mx2020 Dc Power Supply Module Leds; Figure 28: Selecting Input Feed On The Dc Power Supply Module - Juniper MX2020 Hardware Manual

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MX2020 DC Power Supply Module LEDs

Copyright © 2013, Juniper Networks, Inc.

Figure 28: Selecting Input Feed on the DC Power Supply Module

PWR OK FAULT
INP0 INP1
MX2020 DC Power Supply Module LEDs on page 53
MX2020 Router Grounding Specifications on page 380
DC Power Circuit Breaker Requirements for the MX2020 Router on page 358
MX2020 DC Power Distribution on page 359
DC Power Cable Specifications for the MX2020 Router on page 360
Site Electrical Wiring Guidelines for MX Series Routers on page 382
Installing the MX2020 Air Filter on page 225
Removing the MX2020 Air Filter on page 222
Each DC PSM faceplate contains four LEDs. These LEDs are described in
page 54. Eighteen bicolor LEDs labeled
through for the top nine PSMs, are located in the center of the craft interface.
17
The primary input of the PSM is a dual redundant feed,
active during operation, but both feeds may or may not be providing current. Two DIP
switches located on the PSM faceplate allow you to turn current on and off. In addition,
a PSM failure triggers the alarm LED on the craft interface.
Chapter 2: MX2020 Hardware Components
ON
0 1
0 through 8 for the bottom nine PSMs, and
INP0
Table 23 on
9
and INP1 . Both feeds are
53