PEF2256 INFINEON [Infineon Technologies AG], PEF2256 Datasheet - Page 373
![no-image](/images/no-image-200.jpg)
PEF2256
Manufacturer Part Number
PEF2256
Description
E1/T1/J1 Framer and Line Interface Component for Long- and Short-Haul Applications
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PEF2256.pdf
(518 pages)
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Receive Control 0 (Read/Write)
Value after reset: 00
RC0
SJR
RRAM
User’s Manual
Hardware Description
SJR
7
Select Japanese ITU-T Requirements
0
1
Receive Remote Alarm Mode
The conditions for remote (yellow) alarm (FRS0.RRA) detection can
be selected by this bit to allow detection even in the presence of a bit
error rate of up to 10
RRAM = 0
Detection
F4: Bit2 = 0 in every speech channel per frame.
F12: – FMR0.SRAF = 0: bit2 = 0 in every speech channel per frame.
ESF: – FMR0.SRAF = 0: pattern “1111 1111 0000 0000” in data
F72: Bit2 = 0 in every speech channel per frame.
Release: The alarm is reset when above conditions are no longer
detected.
RRAM = 1 (bit error rate 10
Detection
F4:
F12: – FMR0.SRAF = 0: bit 2 = 0 in 255 consecutive speech
ESF: – FMR0.SRAF = 0: pattern “1111 1111 0000 0000” in data
F72: Bit 2 = 0 in 255 consecutive speech channels.
RRAM
H
– FMR0.SRAF = 1: S-bit of frame 12 is forced to “1”
– FMR0.SRAF = 1: bit2 = 0 in every speech channel
Bit2 = 0 in 255 consecutive speech channels.
– FMR0.SRAF = 1: S-bit of frame 12 is forced to “1”
– FMR0.SRAF = 1: bit 2 = 0 in 255 consecutive speech
T1: Alarm handling is done according ITU-T G. 704+706
J1: Alarm handling is done according ITU-T JG. 704+706
link channel
channels.
link channel
channels
CRCI
XCRCI
-3
:
373
RDIS
-3
)
RCO10
RCO9
DS1.1, 2003-10-23
T1/J1 Registers
PEF 2256 H/E
RCO8
0
FALC
(24)
®
56
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