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參數資料
型號: W6694
廠商: WINBOND ELECTRONICS CORP
英文描述: PCI Bus ISDN S/T Interface Controller(PCI總線的ISDN S/T接口控制器)
中文描述: PCI總線的綜合業務數字網的S / T接口控制器(綜合業務數字網的PCI總線的S / T的接口控制器)
文件頁數: 19/98頁
文件大小: 1338K
代理商: W6694
Data Sheet
W6692A PCI ISDN S/T-Controller
Publication Release Date:
Mar,2000
Revision 1.0
-19 -
FIG.7.1 FRAME STRUCTURE AT S/T INTERFACE
There are three wiring configurations according to I.430 : point-to-point, short passive bus and extended passive bus. They are
shown in Fig.7.2.
D L F L B
1
B
1
B
1
B
1
B
1
B
1
B
1
B
1
E D A F
A
N B
2
B
2
B
2
B
2
B
2
B
2
B
2
B
2
E D M B
1
B
1
B
1
B
1
B
1
B
1
B
1
B
1
E D S B
2
B
2
B
2
B
2
B
2
B
2
B
2
B
2
E D L F L
0
1
0
NT
TE
D L F L B
1
B
1
B
1
B
1
B
1
B
1
B
1
B
1
L D L F
A
L B
2
B
2
B
2
B
2
B
2
B
2
B
2
B
2
L D L B
1
B
1
B
1
B
1
B
1
B
1
B
1
B
1
L D L B
2
B
2
B
2
B
2
B
2
B
2
B
2
B
2
L D L F L
0
1
0
TE
NT
48 bits in 250
μ
s
2 bits offset
F = Framing bit
L = DC balancing bit
D = D channel bit
E = D channel echo bit
F
A
= Auxiliary framing bit or Q-bit
N = Bit set to a binary value N= NOT F
A
B1 = Bit within B channel 1
B2 = Bit within B channel 2
A = Bit used for activation
S = Bit used for S channel
M = Multiframe bit
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