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PEF2256 Datasheet(PDF) 79 Page - Infineon Technologies AG

Part # PEF2256
Description  E1/T1/J1 Framer and Line Interface Component for Long- and Short-Haul Applications
PDF  518 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

PEF2256 Datasheet(HTML) 79 Page - Infineon Technologies AG

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FALC
®56
PEF 2256 H/E
Functional Description E1
User’s Manual
79
DS1.1, 2003-10-23
Hardware Description
Figure 23
Automatic Handling of Errored Signaling Units
Reset Counter values
C
s := 0
su := 0
[CMDR2.RSUC = 1]
Idle
in service
SU in error?
C
s := Cs + 1
su := su + 1
su := su + 1
C
s = T ?
su = 256 ?
su := 0
C
s = 0 ?
C
s := Cs -1
in service
Link failure
[ISR1.SUEX = 1]
Idle
Notes:
su: signaling units counter
C
s: errored signaling units
counter
T: error threshold (64 or 32),
selectable by CCR5.SUET
N
N
N
N
Y
Y
Y
Y
F0071



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