參數(shù)資料
型號(hào)： T7230A
廠商： Lineage Power
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁(yè)數(shù)： 39/110頁(yè)
文件大?。?/td> 752K
代理商： T7230A
Preliminary Data Sheet
June 1997
T7230A Primary Access Framer/Controller
35
Lucent Technologies Inc.
Frame Formats
(continued)
CEPT Loss of Frame Alignment Recovery Algorithm
(continued)
As defined in ITU Rec. G.704, the CEPT 2.048 frame, CRC-4 multiframe, and channel associated signaling multi-
frame structures are illustrated in Figure 9.
5-4548(F)r.4
Figure 9. ITU 2.048 Basic Frame, CRC-4 Multiframe, and Channel Associated Signaling Multiframe
Structures
0 1 A S
A4
S
A5
S
A6
S
A7
S
A8
C
2
0 0 1 1 0 1 1
0 1 A S
A4
S
A5
S
A6
S
A7
S
A8
C
3
0 0 1 1 0 1 1
1 1 A S
A4
S
A5
S
A6
S
A7
S
A8
C
4
0 0 1 1 0 1 1
0 1 A S
A4
S
A5
S
A6
S
A7
S
A8
C
1
0 0 1 1 0 1 1
1 1 A S
A4
S
A5
S
A6
S
A7
S
A8
C
2
0 0 1 1 0 1 1
1 1 A S
A4
S
A5
S
A6
S
A7
S
A8
C
3
0 0 1 1 0 1 1
E 1 A S
A4
S
A5
S
A6
S
A7
S
A8
C
4
0 0 1 1 0 1 1
E 1 A S
A4
S
A5
S
A6
S
A7
S
A8
C
1
0 0 1 1 0 1 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 1
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
TIME SLOT 31
FRAME 0 OF CRC-4
MULTIFRAME
TIME SLOT 0
TIME SLOT 1
TIME SLOT 16
TIME SLOT 31
Si 1 A S
A4
S
A5
S
A6
S
A7
S
A8
TIME SLOT 1
TIME SLOT 31
Si 0 0 1 1 0 1 1
TIME SLOT 1
TIME SLOT 31
FRAME 15 OF CRC-4
MULTIFRAME
FAS FRAME
NOT FAS FRAME
0 0 0 0 X
0
Y
M
X
1
X
2
1
2
3
4
5
6
7
8
8-bit TIME SLOT = 3.906
μ
s
256-bit FRAME = 125
μ
s
PRIMARY BASIC FRAME
STRUCTURE
A
1
B
1
C
1
D
1
A
16
B
16
C
16
D
16
A
2
B
2
C
2
D
2
A
17
B
17
C
17
D
17
A
3
B
3
C
3
D
3
A
18
B
18
C
18
D
18
A
4
B
4
C
4
D
4
A
19
B
19
C
19
D
19
A
5
B
5
C
5
D
5
A
20
B
20
C
20
D
20
A
6
B
6
C
6
D
6
A
21
B
21
C
21
D
21
A
7
B
7
C
7
D
7
A
22
B
22
C
22
D
22
A
8
B
8
C
8
D
8
A
23
B
23
C
23
D
23
A
9
B
9
C
9
D
9
A
24
B
24
C
24
D
24
A
10
B
10
C
10
D
10
A
25
B
25
C
25
D
25
A
11
B
11
C
11
D
11
A
26
B
26
C
26
D
26
A
12
B
12
C
12
D
12
A
27
B
27
C
27
D
27
A
13
B
13
C
13
D
13
A
28
B
28
C
28
D
28
A
14
B
14
C
14
D
14
A
29
B
29
C
29
D
29
A
15
B
15
C
15
D
15
A
30
B
30
C
30
D
30
TIME SLOT 16 OF FRAME 0
CHANNEL ASSOCIATED
SIGNALING MULTIFRAME
IN TIME SLOT 16
CHANNEL NUMBERS REFER TO TELEPHONE
CHANNEL NUMBERS. TIME SLOTS 1 TO 15 AND
17 TO 31 ARE ASSIGNED TO TELEPHONE
CHANNELS NUMBERED FROM 1 TO 30.
TIME SLOT 16
OF FRAME 15
CRC-4 MULTIFRAME IN
TIME SLOT 0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
T-7230A--ML 制造商:Rochester Electronics LLC 功能描述:- Bulk
T7230-ML3 制造商:AGERE 功能描述:
T7-231A1 功能描述:撥動(dòng)開關(guān) ON NONE OFF 2 Pole Standard Bat Handle RoHS:否 制造商:OTTO 觸點(diǎn)形式: 開關(guān)功能: 電流額定值: 電壓額定值 AC: 電壓額定值 DC: 功率額定值: 端接類型: 安裝風(fēng)格: 端子密封: 觸點(diǎn)電鍍: 照明:
T7-231A2 制造商:OTTO Engineering Inc 功能描述:2POLE, SOLDER, STD,
T7-231A2D 功能描述:撥動(dòng)開關(guān) ON NONE OFF 2 Pole Standard LeverLock RoHS:否 制造商:OTTO 觸點(diǎn)形式: 開關(guān)功能: 電流額定值: 電壓額定值 AC: 電壓額定值 DC: 功率額定值: 端接類型: 安裝風(fēng)格: 端子密封: 觸點(diǎn)電鍍: 照明:
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