Ericsson MINI-LINK TN R3 ETSI, Technical Description

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MINI-LINK TN R3 ETSI
01/NPU
00
02
03
NE Name
IP addr.+mask
Far
end 01
00
03
02
ID
LIFT
LIFT
NPU2
FAU4
9976
L
LTU3 12/1
Figure 9 AMM 2p
02
03
02
03
NPU3
LTU3 12/1
FAU4
9972
L
LIFT
LIFT
Figure 10 AMM 2p B
3.2.1.1 Power Supply
AMM 2p is power supplied by –48 V DC or +24 V DC, connected to the NPU2.
The power is distributed from the NPU2 to the plug-in units, via the power bus
in the backplane of the AMM.
+
_
External Power
Supply
–48 V DC or
+24 V DC
7019
NPU2
Figure 11 Power supply for AMM 2p
AMM 2p B is power supplied by –48 V DC or +24 V DC redundant power. Two
DC connectors at the left side of the front panel are connected to the backplane.
To achieve redundant power, two power sources must be connected.
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4/1555-CSH 109 32/1-V1 Uen B 2007-09-14