PEF 2055 N V2.1 Infineon Technologies, PEF 2055 N V2.1 Datasheet - Page 20
PEF 2055 N V2.1
Manufacturer Part Number
PEF 2055 N V2.1
Description
IC INTERFACE CTRLR PCM LCC-44
Manufacturer
Infineon Technologies
Series
EPICr
Datasheet
1.PEF_2054_N_V2.1.pdf
(269 pages)
Specifications of PEF 2055 N V2.1
Function
PCM Interface Controller
Interface
ISDN, PCM
Number Of Circuits
1
Voltage - Supply
5V
Current - Supply
9.5mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
44-LCC
Includes
Board Controller, Channel Switching
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Other names
PEF2055NV2.1X
PEF2055NV21XK
SP000075706
PEF2055NV21XK
SP000075706
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1.7.1.3 Central D-Channel Processing
In this application the EPIC 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 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 to four 16-kbit/s channels.
Figure 7
Digital Line Card Architecture with a Completely Central D-Channel Handling
Semiconductor Group
IOM -2
Interface
R
P
EPIC
B,
D
R
HSCX
20
B
PCM
Highway
Signaling
Highway
Example Frame Structure
B
...
B
D D D D
PEB 2055
PEF 2055
Overview
ITS09535
B
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