Power supply and source recovery mode, Power supply and source recovery mode -4, Figure 8-3 – ADTRAN 4200659L1 User Manual
Page 144: Power supply and source failure recovery mode -4
Chapter 8. Power Loss Recovery
8-4
MX2800 STS-1 User Manual
61200659L1-1
POWER SUPPLY AND SOURCE RECOVERY MODE
In this mode, two power supply cards are installed and are
connected to two individual power sources. The MX2800 STS-1
handles any combination of power source or power supply failure.
Much like the backup design for the controller cards, the MX2800
STS-1 is able to internally re-route the power source if a power
supply card and the opposite power source fail. For example, in the
illustration given in Figure 8-3, failed
P
OWER
S
OURCE
A
is
connected to functional
C
ARD
A
and functional
P
OWER
S
OURCE
B
is
connected to failed
C
ARD
B
. In this case, the MX2800 STS-1
automatically connects
P
OWER
S
OURCE
B
to
C
ARD
A.
Figure 8-3. Power Supply and Source Failure Recovery Mode
This configuration is only available with DC power supplies.
STS-1