Juniper QFX10002 Hardware Manual page 18

The recommended configuration is to run the switch with twice as much power as needed, also
2N , for full power redundancy. To provide additional power for switch redundancy or feed-
called
redundancy, see Table 4 on page
Table 4: Available Power Redundancy Options
Model Power
QFX10002-72Q 220 VAC
110 VAC
QFX10002-72Q- DC
DC
QFX10002-60C 220 VAC
110 VAC
9.
Non- 2N or Dual Feed
redundant
(N)
1 2
For power feed redundancy, connect power source feed A
to power supplies 0 or 1 and connect power source feed B
to power supplies 2 or 3. The remaining slots should be
covered with a power supply blank cover.
2 4
For power feed redundancy, connect power source feed A
to power supplies 0 and 1 and connect power source feed
B to power supplies 2 and 3.
1 2
For power feed redundancy, connect power source feed A
to power supplies 0 or 1 and connect power source feed B
to power supplies 2 or 3. The remaining slots should be
covered with a power supply blank cover.
1 2
For power feed redundancy, connect power source feed A
to power supplies 0 or 1 and connect power source feed B
to power supplies 2 or 3. The remaining slots should be
covered with a power supply cover.
2 4
For power feed redundancy, connect power source feed A
to power supplies 0 and 1 and connect power source feed
B to power supplies 2 and 3.
9