PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 134

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

Semiconductor Group
4.3.8
Deactivation of the S-interface without deactivating the U-interface is initiated from the
exchange by setting the "UOA" bit = (0).
Figure 61
Deactivating S/T-Interface Only
INFO
INFO
INFO 0
INFO 0
S/T
Deactivation of S/T Only
4
3
SBCX
IOM -2
NT
DR
DC
DI
AI
AI
R
IEC-Q
SL3T
SL3T
SL3T act = 0 dea =1 uoa= 0
SN3T
SN3
act =1 dea =1 uoa =1
act
U-Reference Point
134
act
1 =
act =1 sai=1
0 =
dea
sai
1 =
0 =
uoa
0 =
IEC-Q
Operational Description
IOM -2
UAR
(DC)
UAI
AR
LT
AI
R
Data Sheet 01.99
EPIC
ITD04249
PEB 2091
PEF 2091
R