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PEB2256HT Datasheet(PDF) 415 Page - Infineon Technologies AG

Part # PEB2256HT
Description  E1/T1/J1 Framer and Line Interface Component for Long and Short Haul Applications
PDF  490 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

PEB2256HT Datasheet(HTML) 415 Page - Infineon Technologies AG

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FALC56 V1.2
PEB 2256
T1/J1 Registers
Data Sheet
415
2002-08-27
Framer Receive Status Register 2 (Read)
ESC(2:0)
Error Simulation Counter
This three-bit counter is incremented by setting bit FMR0.SIM. The
state of the counter determines the function to be tested.
For complete checking of the alarm indications, eight simulation steps
are necessary (FRS2.ESC = 0 after a complete simulation).
70
FRS2
ESC2
ESC1
ESC0
(4E)
Table 68
Alarm Simulation States
Tested Alarms ESC(2:0) =
012
34567
LFA
××
LMFA
××
RRA (bit2 = 0)
×
RRA (S-bit frame 12)
×
RRA (DL-pattern)
×
LOS
1)
1)
only active during FMR0.SIM = 1
××
×
EBC
2) (F12,F72)
2)
FEC is counting +2 while EBC is counting +1 if the framer is in synchronous state; if asynchronous in state 2
but synchronous in state 6, counters are incremented during state 6
×(×)
EBC
2) (only ESF)
××
×
(×)
AIS
1)
××
××
FEC
2)
×(×)
CVC
××
×
CEC (only ESF)
××
××
RSP
×
RSN
×
XSP
×
XSN
×
BEC
1)
××
×
COEC
××



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