Figure 8-4. Battery Backup System - ADTRAN MX2800 M13 User Manual

Section 8, Power Loss Recovery
DS3/STS-1
L
NONCRITICAL
A
N
OUT IN
M
NO COM NC
O
D
E
M
CRITICAL
AC Power Input
-48 VDC
Backup Battery Pack
P/N 1175044L1
8-4
MX2800
DSX-1/E1
(OUT)
A
B
DSX-1/E1
(IN)
AC/DC Power Supply
Battery Charging Unit
P/N 1175043Lx

Figure 8-4. Battery Backup System

MX2800 M13 Multiplexer User Manual
115 AC 50/60Hz
DC POWER
0.8A
PWR – PWR –
RET RET
FAIL FAIL
B A
-48V 0.7A
T R S T R S
CLK CLK
A B
Battery Charger
Power Cable
Magnified View
61200290L1-1G