psf21911 ETC-unknow, psf21911 Datasheet - Page 105

• Manufacturer Part Number: psf21911
• Description: Isdn Echocancellation Circuit Terminal Applications Iec-q
• Manufacturer: ETC-unknow

Semiconductor Group
Activation Initiated by LT with U Active
The S-interface is activated from the exchange with the command “AR”. Bit “UOA”
changes to (1) requesting S-interface activation.
Figure 39 LT Initiated Activation with U-Interface Active
INFO
INFO
INFO 2
INFO 3
INFO 4
S/T
0
0
SBCX
IOM -2
NT
DC
AR
AR
DI
AI
AI
R
IEC-Q TE
SL3T
SL3T
SL3T act =1 dea =1 uoa =1
SN3
SN3 act = 0 sai=1
SN3
act = 0 dea =1 uoa = 0
act
U-Reference Point
0 =
act = 0 sai= 0
act
105
SN3T
SL3T
1 =
dea
1 =
sai
1 =
uoa
1 =
Layer 1 Activation/Deactivation
IEC-Q
IOM -2
DC/UAR
UAI
UAI
AR
AR
LT
AI
R
EPIC
ITD10206
PSB 21911
PSF 21911
R
11.97