Adtran MX2800 M13 Manuel D’Utilisation
61200290L1-1G
8-1
S
ECTION
8, P
OWER
L
OSS
R
ECOVERY
Section 8
Power Loss Recovery
1. INTRODUCTION
The MX2800 provides backup measures of protection for both power supply and power source failure. The
following subsections describe the possible modes of operation:
following subsections describe the possible modes of operation:
•
on page 8-1 offers no backup protection
•
on page 8-2 furnishes backup protection in the event of power supply
card failure
•
on page 8-2 provides a backup system for both card and
source failure
•
on page 8-3 offers battery backup in the event of a power outage
2. NONREDUNDANT POWER MODE
In Nonredundant Power Mode, the MX2800 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, the unit is down until
the card is repaired or replaced. See
source is available. There is no power failure protection. If a power supply card fails, the unit is down until
the card is repaired or replaced. See
for an illustration.
Figure 8-1. Nonredundant Power Mode
MX2800