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Watson-TDM-Manual-W.doc
Watson TDM
Version 2.0-01
Operating Manual
E1
1
E1
2
A
B
C
D
E1
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E1
2
A
B
C
D
a)
E1
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E1
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E1
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A
B
B
C
E1
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C
D
D
c)
b)
Figure 3-16: Examples of Multipoint Configuration
3.6.2
Configuration
The configuration of a point-to-multipoint system includes the following steps:
3-22
•
Configure the plug-in for multipoint operation: Monitor command LTUMODE 5.
This command configures four single-pair systems on the plug-in and sets the
DSL Master mode (STU-C) on all DSL interfaces.
•
E1 interface configuration: the E1 interfaces have to work in framed mode
(Monitor command G704 ON). When CRC4 multiframes are used, CRC4 and
E-Bit insertion have to be switched on.
•
E1 timeslot mapping: associates timeslots from the E1 interfaces with DSL
links. Each timeslot of an E1 interface can be associated with one DSL link.
•
DSL timeslot mapping: for each DSL link its associated E1 timeslots must be
mapped to physical bearer channels (B-channels).
Revision: 2008-02-07