PEB24911HV13NT Lantiq, PEB24911HV13NT Datasheet - Page 34
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PEB24911HV13NT
Manufacturer Part Number
PEB24911HV13NT
Description
Manufacturer
Lantiq
Datasheet
1.PEB24911HV13NT.pdf
(155 pages)
Specifications of PEB24911HV13NT
Control Interface
HDLC
Lead Free Status / Rohs Status
Supplier Unconfirmed
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Figure 11
If no superframe marker is to be used, all FSC high-phases need to be of at least two
DCL-periods duration.
The relationship between the IOM
IOM
inserted on LT-side in the first B1-channel after the IOM
always appear on NT-side with a fixed offset, e.g. in the 5th B1-channel after the master
superframe marker. After a new activation this relationship (offset) may be different.
Note: The evaluation of short FSC by the DFE-Q V2.1 can be suppressed by pin DSFM
3.2.3
The Command/Indication (C/I) channel carries real-time control and status information
between the DFE-Q V2.1 and a layer-1 control device. A new C/I code must be applied
in six consecutive IOM
RES, SSP, DT and commands in the states “Test” and “Reset”) must be applied up to 2
ms before they are recognized. An indication is issued permanently by the DFE-Q V2.1
on DOUT until a new indication needs to be forwarded.
The C/I code is 4 bit wide and located at bit positions 27–30 in each time-slot. A listing
and explanation of the U-transceiver C/I codes can be found on page 3-54.
3.2.4
The Monitor channel represents a second method of initiating and reading U-transceiver
specific information. Features of the monitor channel are supplementary to the
command/indicate channel. Unlike the command/indicate channel with an emphasis on
status control, the monitor channel provides access to internal bits (maintenance,
overhead) and test functions (local loop-backs, block error counter etc.).
Data Sheet
FSC
DU/
DD
U
®
-2-superframe on the NT-side is fixed after activation of the U-interface. I.e. data
(see
Page
IOM
IOM
Superframe Marker
®
®
13).
IOM-2 Frame (1)
-2 Command/ Indicate Channel
-2 Monitor Channel
®
-2 frames to be considered valid, unconditional commands (i.e.
2B+D
®
-2-superframe on the LT-side, the U-frame and the
IOM-2 Frame (12)
U Superframe Start
Bits
M
24
Fixed Chip Internal Delay
ISW
®
-2-slave superframe marker will
2B+D
Functional Description
Bits
M
PEF 24911
SW
2001-07-16
sf_pos.emf
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