參數(shù)資料
型號: PSF21911
廠商: SIEMENS A G
元件分類: 數(shù)字傳輸電路
英文描述: ISDN Echocancellation Circuit for Terminal Applications IEC-Q TE
中文描述: DATACOM, ISDN ECHO CANCELLER
文件頁數(shù): 105/164頁
文件大?。?/td> 1401K
代理商: PSF21911
PSB 21911
PSF 21911
Layer 1 Activation/Deactivation
Semiconductor Group
105
11.97
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
ITD10206
DC
DI
DC/UAR
UAI
AR
SL3T
SN3
AR
AR
AI
AI
INFO3
INFO2
AI
U-Reference Point
SBCX
IEC-Q TE
IEC-Q
NT
LT
S/T
UAI
act=0 dea=1
act=0
uoa=0
sai=0
1
=
uoa
1
=
dea
0
=
act
SL3T
1
uoa=1
=
sai
1
=
act
SN3
SL3T act=1 dea=1
0
0
INFO
INFO
INFO4
SN3T
SL3T
AR
SN3 act=0 sai=1
R
EPIC
R
IOM -2
R
IOM -2
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PDF描述
PSB21911 ISDN Echocancellation Circuit for Terminal Applications IEC-Q TE
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