Ericsson MINI-LINK E - 6.2 MSM - MINI-LINK Service Manager

MINI-LINKEandEMicro
Block Diagrams over Loops
Radio Frame
Multiplexer
Radio Frame
Demultiplexer
Modulator
Demodulator
Cable
Interface
Radio
Unit
2/8/34 Mbit/s
2/8/2 Mbit/s
Traffic
Interface
and
Router
Front or
backplane
connection
Local oscillator
IF Loop
LO=
MMU Tx Loop
MMU Rx Loop
3569
Figure 70 MMU 2x2, 2x8 and 34+2 l oops
Traffic
Interface
and
Router
2/8
Multiplexer
Demultiplexer
Traffic
Interface
and
Router
Radio Frame
Multiplexer
Radio Frame
Demultiplexer
Modulator
Demodulator
Cable
Interface
Radio
Unit
8 Mbit/s
Front or
backplane
connection
Local oscillator
IF Loop
LO=
MMU Rx Loop ( 4x2 Mbit/s) MMU Rx Loop (8 Mbit/s)
MMU Tx Loop
(8 Mbit/s)
MMU Tx Loop
3570
( 4x2 Mbit/s)
4x2 Mbit/s
Figure 71 MMU 4x2/8 loops
2x2
Traffic
Interface
and
Router
Connections to MMUs
4x2
8
2x8
34
SMU Tx Loop
SMU Rx loop
Front or backplane
connection 2/8/34 Mbit/s
3572
Figure 72 SMU Sw loops
104
AE/LZT 110 2012 R8C 2002-03-04