pef20550 Infineon Technologies Corporation, pef20550 Datasheet - Page 33
pef20550
Manufacturer Part Number
pef20550
Description
Extended Line Card Interface Controller Elic
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEF20550.pdf
(407 pages)
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1.6.1.5 Central D-Channel Processing
In this application the EPIC-1 not only switches the B-channels and performs the C/I-
and monitor channel control function, but switches also the D-channel data onto the
system highway. In upstream direction the EPIC-1 can combine up to four 16-kbit/s D-
channels into one 64-kbit/s channel. In downstream direction it provides the capability to
distribute one 64-kbit/s channel in four 16-kbit/s channels.
Figure 14
Line Card Architecture for Completely Centralized D-Channel Processing
Semiconductor Group
IOM -2
Interface
P µ
R
SACCO CH-A
SACCO CH-B
ARBITER
EPIC
ELIC
B, D
R
R
ITS05815
33
B
PCM
Highway
Signaling Highway for
Line Card Control
Example Frame Structure
B
...
B
D D D D
PEB 20550
PEF 20550
Overview
B
01.96
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