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參數(shù)資料
型號(hào): W6692
廠商: WINBOND ELECTRONICS CORP
元件分類: 通信及網(wǎng)絡(luò)
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: SPECIALTY TELECOM CIRCUIT, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, QFP-100
文件頁(yè)數(shù): 13/84頁(yè)
文件大小: 473K
代理商: W6692
W6692
Publication Release Date: October 1998
- 13 -
Revision A1
Figure 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 pass bus. They are shown in Figure 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 MB
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
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
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=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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