Ericsson MINI-LINK TN R3 ETSI Technical Description page 69

Figure 57
4.2.2 Functional Block
This section describes the internal and external functions of the MMU, based
on the block diagram in Figure 58 on page 63.
TDM Bus
PCI Bus
SPI Bus
Power Bus
Figure 58 Block diagram for MMU2
4/1555-CSH 109 32/1-V1 Uen B 2007-09-14
MMU2 E 155 TX
ERICSSON
MMU2 F 155
TX
ERICSSON
MMU2 E and F 155. Note: MMU2 F 155 has XPIC support.
BPI Bus (1+1)
DCC
Traffic
TDM
Multiplexer/
DCC
Demultiplexer
Traffic
HCC
RX
SFP
RX
SFP
BPI Bus (1+1)
Radio Frame
Multiplexer
Radio Frame
Demultiplexer
HCC
Control and
Supervision
SPI
Secondary
voltages
Power
Radio Terminals
60V RAU
60V RAU
XPIC
Modulator
Cable
Interface
Demodulator
RCC
9696
RAU
6637
63