ADTRAN 1200287L1 Bedienungsanleitung Seite 24

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Chapter 2. Installation and Operation
2-2 MX2810 M13 User Manual 61185001L1-1
Power Up
The MX2810 is powered using a -48V DC power source. The rear
panel of the unit has screw down lugs for both A and B power
feeds. The screw down terminal strip is located at the lower right
side of the unit, as looking from behind. Figure 2-1 and Table 2-1
on page 2-3 illustrate the DC power connector and give definitions
for the connector symbols.
For more detailed information on power connections, refer to
Chapter 8, Power Loss Recovery.
Figure 2-1. DC Power Connector
It is recommended that a 3 amp fuse be used in the fuse and alarm panel
that feeds the MX2810.
DC POWER
–48VA –48
RET
–48 , 1A
USE COPPER CONDUCTORS ONLY
–48
RET
–48VB
R12
P2
U4
P3
DC POWER
NTWK MGMT
–48VA –48
RET
–48 , 1A
USE COPPER CONDUCTORS ONLY
–48
RET
–48VB
DSX-1(OUT)
T1/R1
DSX-1(IN)
T/R
DSX-3
/STS-1
C
NO
C
NO
C
NO
C
R
I
M
A
J
M
I
N
E-NET
OUTIN
STS-1
CLK
A
+
S
CLK
B
+
S
RS
485
A
B
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