Juniper MX2008 Hardware Manual page 432

Figure 187: Removing a Three-Phase Delta AC Power Distribution Module (MX2008 Router)
NOTE: Each PDM slot not occupied by a AC PDM must be covered by a PDM blank panel.
SEE ALSO
MX2000 Three-Phase Delta AC Power Distribution Module Description
MX2000 Three-Phase Delta AC Power Distribution Module Electrical Specifications
Installing an MX2000 Router Three-Phase Delta AC Power Distribution Module
Before you install a three-phase delta AC power distribution module (PDM), be aware of the following:
WARNING:
To ensure that all power is off, locate the circuit breaker on the panel board that
services the AC circuit, switch the circuit breaker to the off position, and tape the
switch handle of the circuit breaker in the off position.
Before performing AC power procedures, disconnect all power sources.
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