Alcatel-Lucent 7450 ESS-7 - AC Power

Field Replaceable Units
Page 124 7450 ESS-7
AC POWER
REMOVING AN AC PSM
If you are operating your 7450 ESS-7 system with redundant AC PSMs and AC PEMs, you can
install, remove, or replace a power module without affecting system operation. To assure safety,
flip the circuit breaker (ON/OFF) on the PEM to the OFF ( O ) position while replacing a AC
PSM.
Figure 41: Removing an AC PSM
1
3
SR70033
2
Table 39: AC PSM Features
Key Description
1 Safety cover
2 Captive screw (2 per PSM)
3 AC PSM handle