PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 128

• Manufacturer Part Number: PEF2091
• Description: ICs for Communications(ISDN Echocancellation Circuit)
• Manufacturer: Siemens Semiconductor Group

Semiconductor Group
4.3.3
Figure 55 depicts the procedure if the activation has been initiated by the terminal side.
Figure 55
INFO 0
INFO 0
INFO 0
INFO 3
INFO 4
INFO 2
INFO 1
Complete Activation Initiated by TE
S/T
Complete Activation Initiated by TE
SBCX
IOM -2
TIM
DC
DC
PU
AR
AR
DI
AI
AI
NT
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IEC-Q TE
SL3T act = 1 dea = 1 uoa = 1
SL2 act = 0 dea = 1 uoa = 0
SN3 act = 1 sai = 1
U-Reference Point
SL3T uoa = 1
128
SN3 sai = 1
SN3T
SN0
SN0
SN2
SL0
SN1
SL1
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IEC-Q
Operational Description
IOM -2
ARM
UAI
DC
AR
DI
LT
AI
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Data Sheet 01.99
ITD04243
EPIC
PEB 2091
PEF 2091
R