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3CC08991ATAA TQ BJA 01
Issue 01 -- March 2004
2 Mbit/s aux.
(only at 34 Mbit/s)
Software
key
Figure 10 - Block diagram of a 1+1 station with multiplexer protection without access unit
Tributaries 1 to 16
One 2 Mbit/s aux
bit stream
(only at 34 Mbit/s)
Equipment not included in the standard configuration but sold as options
EXTENSION INDOOR UNIT
DC
2 Mbit/s aux.
(only at 34 Mbit/s)
MAIN INDOOR UNIT
Cable
NMS
(Supervision
bus)
Back to
back
TS/TC
alarms
To
coupler
or
Antenna
Mediation
device
VDS
3/4/5
OUTDOOR
UNIT
Cable
F
Tel.
EXT
OUTDOOR
UNIT
DC
Tributaries
1 à 16
Tributaries
1 to 16
Service
kit
Service
kit
EOW3 EOW4 EOW5
or
(RQ2)
(SNMP)
Alcatel or
Customer
OS
To
coupler
or
Antenna
The extension IDU contains the same LAU and LIU boards as the main IDU, configured in high impedance,
plus an SCU board to handle the following functions:
--
hitless switching on reception,
--
user interfaces for ESCs 3 to 5,
--
customization of ESCs 3 and 4 by the addition of daughter boards (see § 2.3),
--
control of the second ODU,
--
interfacing for the second ODU’s link cable.
The MCU boards of the main IDU and the SCU board of the extension IDU exchange the aggregates sent and
received.
The access IDU contains a dedicated LAU combination board which handles:
--
in transmission, distribution of the tributary signals to the main and extension IDUs,
--
in reception, transmission of the tributary signals from the active IDU.
All the basic 1+1 configurations are also available in 1+1 configurations with multiplexer protection (refer to
§ 2.2.2.1 to 2.2.2.3).
Summary of Contents for 9400 UX
Page 1: ...3CC08991ATAA TQBJA 01 Alcatel 9400 UX User Manual ...
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Page 19: ...19 314 3CC08991ATAA TQ BJA 01 Issue 01 March 2004 1 3 5 Eco Declaration ...