ADTRAN MX2800 M13 - Manual (Page 124)

8-4 61200290L1-1G
Section 8, Power Loss Recovery MX2800 M13 Multiplexer User Manual
Figure 8-4. Battery Backup System
White Green Blac
k
Red
- RET PWR
FAIL
- RET PWR
FAIL
MX2800
Battery Charger
Power Cable
Magnified View
-48 VDC
Backup Battery Pack
P/N 1175044L1
AC Power Input
AC/DC Power Supply
Battery Charging Unit
P/N 1175043Lx
DC POWER 115 AC 50/60Hz 0.8A
PWR FAIL RET
T R S T R CLK A CLK B
S
–
L
A
N NONCRITICAL
DSX-1/E1 (OUT)
DSX-1/E1 (IN)
NO COM NC
CRITICAL
M
O
D
E
M OUT IN
A
B
A -48V 0.7A B
DS3/STS-1
PWR FAIL RET – USE COPPER
CONDUCT
ORS ONLY!