Ericsson MINI-LINK E - SMU Switch

MINI-LINKEandEMicro
3.9.1.1 SMU Switch
SMU S witch contains the 1+1 MMU selection switch. It can terminate two 2
Mbit/s, four 2 Mbit/s, one 8 Mbit/s, two 8 Mbit/s or one 34 Mbit/s and one 2
Mbit/s traffic channel.
Operation &
Maintenance
Interface
MMU 1
MMU 2
Secondary
voltages
MMU
Alarms from MMUs
Control &
Supervision
1 + 1
Switch Logic
DC/DC
Converter
NCC
Other units in
the access module
2x2
Traffic
Interface
and
Router
Connections to MMUs
4x2
8
2x8
34
Front or
connection 2/8/34 Mbit/s
3553
backplane
Figure 42 SMU Sw block diagram
54
AE/LZT 110 2012 R8C 2002-03-04