Ericsson MINI-LINK TN R4 ETSI Technical Description page 17

Figure 10
Figure 11
3.2.2.1 Power Supply
AMM 6p C/D is power supplied by –48 V DC or +24 V DC, connected to the
PFU3 B. The power is distributed from the PFU3 B to the other units, via the
power bus in the backplane of the subrack.
The power system is made redundant using two PFU3 Bs, utilizing the
redundant power bus.
Figure 12
12/221 02-CSH 109 32/1-V1 Uen A 2008-03-14
PFU
FAU
AMM 6p C
PFU
FAU
AMM 6p D
External Power Supply
PFU3 B: –48V DC or +24V DC
Power supply for AMM 6p C or D
NPU
NPU
PFU
_
_ +
+
Basic Node
10067
10068
10069
13