Juniper MX2020 Hardware Manual page 137

Figure 51: Selecting Input Feed on the DC Power Supply Module
PWR OK FAULT
INP0 INP1
INPUT S EXPEC TED
ON
ON
1
0 1 0
INP0
NONE
ON
ON
1
0 1 0
BOTH
INP1
RELATED DOCUMENTATION
MX2020 DC and Power Supply Module LEDs | 117
MX2000 Router Grounding Specifications | 138
DC Power (-48 V) Circuit Breaker Requirements for the MX2020 Router | 215
MX2020 DC Power Distribution Description | 201
DC Power Cable Specifications for the MX2020 Router | 216
Site Electrical Wiring Guidelines for MX Series Routers
Installing the MX2020 Air Filters | 459
Removing the MX2020 Air Filters | 456
ON
0 1
INPUTS EXPECTED
ON ON
0 1 0 1
NONE INP0
ON ON
0 1 0 1
INP1 BOTH
114