PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 181
PEF2091
Manufacturer Part Number
PEF2091
Description
ICs for Communications(ISDN Echocancellation Circuit)
Manufacturer
Siemens Semiconductor Group
Datasheet
1.PEF2091.pdf
(298 pages)
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Initialization (LT side)
Acknowledgment (NT and LT side)
Notify of Corrupt CRC (NCC)
If the EOC Auto mode is used on the NT side (see "EOC Auto/Transparent Mode", page
55) this command requests the NT to disable the NEBE-counter and MON-1 NEBE
indications.
In the EOC Transparent mode the IEC-Q will not react to this command.
This command is a predefined EOC command which can be controlled by the MON-0
message issued on the LT side downstream (see "Access to EOC of U-Interface", page
110).
Initialization (LT side)
Acknowledgment (NT and LT side)
Return to Normal (RTN)
If the EOC Auto mode is used on the NT side (see "EOC Auto/Transparent Mode", page
55) this command requests the NT to disable all previously received EOC commands.
In the EOC Transparent mode the IEC-Q will not react to this command.
This command is a predefined EOC command which can be controlled by the MON-0
message issued on the LT side downstream (see "Access to EOC of U-Interface", page
110).
Semiconductor Group
0
0
0
0
MON-0
MON-0
MON-0
MON-0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RCC
RCC
NCC
NCC
0
0
0
0
1
1
1
1
181
Request of Corrupt CRC
Request of Corrupt CRC
Notify of Corrupt CRC
Notify of Corrupt CRC
0
0
0
0
1
1
1
1
0
0
0
0
Operational Description
1
1
1
1
0
0
0
0
Data Sheet 01.99
0
0
1
1
PEB 2091
PEF 2091
1
1
0
0
1
1
0
0
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