ADTRAN 4200659L1 - Manual (Page 142)

Chapter 8. Power Loss Recovery
8-2 MX2800 STS-1 User Manual 61200659L1-1
NON-REDUNDANT POWER MODE
In Non-Redundant Power Mode, the MX2800 STS-1 houses only
one power supply card and only one power source is available.
There is no power failure protection. If a power supply card fails,
then the unit is inoperable until the card is repaired or replaced. See
Figure 8-1 for an illustration.
Figure 8-1. Non-Redundant Power Mode
MX2800 STS-1
Power supplies are hot-swappable.