Juniper PTX3000 Quick Start Manual page 25

Figure 17: Removing an AC PSM
6. Set the input switches for redundant power by setting both switches for input 1 and 2 to the on position
(ON).
Figure 18: Setting the Input Switches for Redundant Power
1 Input 1 switch ON
—
7. Insert the AC power cord couplers into input 1 and input 2 on the PSM (see
CAUTION:
derived from feed A, and the other input on each PSM must be powered by dedicated
power feed derived from feed B.
This configuration provides the commonly deployed A/B feed redundancy for the
system. For example, you can connect input 1 on each AC PSM to feed A, and input
2 on each AC PSM to feed B.
One input on each AC PSM must be powered by a dedicated power feed
2 Input 2 switch ON
—
Figure 19 on page 26).
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