PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 127

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

4.3.2
Activation with C/I-command "AR0" forces the state machine into the state "Line Active"
independently of the ACT-bit status transmitted upstream from the network. Activation
may be completed after the ACT-bit evaluation has been enabled with C/I-command
"AR".
Figure 54
Semiconductor Group
INFO
INFO
INFO 2
INFO 3
INFO
S/T
0
0
4
Activation with ACT-Bit Status Ignored by the Exchange Side
SBCX
Activation with ACT-Bit Status Ignored by the Exchange
IOM -2
NT
DC
DC
PU
AR
AR
DI
AI
AI
R
IEC-Q
SL3T
SL3T
SL3T
SL2
SN3
SN3 act = 0 sai 1
SN3
act
U-Reference Point
act
act
act = 1 dea = 1 uoa = 1
act
0 =
127
0 =
0 =
act
SN3T
SL3T
0 =
SN0
SN2
SL0
SL0
SN1
SL1
TN
TL
1 =
dea
dea
dea
(sai
sai
1 =
1 =
1 =
=
=
=
1
uoa
0)
uoa
uoa
0 =
0 =
1 =
IEC-Q
Operational Description
MON2
IOM -2
ARM
AR0
UAI
LT
DC
AR
AR
DI
AI
:
uoa =1
R
Data Sheet 01.99
EPIC
PEB 2091
ITD04242
PEF 2091
R