PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 137

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

4.3.11
Figure 64
Semiconductor Group
INFO 0
INFO 0
S/T
SBCX
Loss of Synchronization / Signal at Repeater
Loss of Synchronization at Repeater (LT Side)
IOM -2
DC
DR
DC
NT
DI
AI
AI
R
IEC-Q
40 ms
3 ms
U-Ref. Point
SL3T
SN3T
SL3T
SN0
SL0
dea = 0
LT-RP
IEC-Q
IOM -2
dea = 0
DEAC
40 ms
3 ms
DR
DC
AR
DI
AI
R
137
Repeater
IOM -2
TIM
EI 1
DR
DC
PU
DI
AI
AI
R
NT-RP
IEC-Q
Loss of sync.
480 ms
U-Ref. Point
SN3T
SL3T
SN0
Operational Description
SL0
IEC-Q
Data Sheet 01.99
IOM -2
480 ms
RES1
LSL
AR
LT
AI
PEB 2091
R
PEF 2091
EPIC
ITD04252
R