CX28398 Conexant Systems, CX28398 Datasheet - Page 281
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CX28398
Manufacturer Part Number
CX28398
Description
(CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
Manufacturer
Conexant Systems
Datasheet
1.CX28398.pdf
(305 pages)
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CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
Table A-2. T1DM Frame Format
100054E
Note(s):
1. Y bit is used to indicate a Yellow Alarm (active low).
2. R bit is used solely by AT&T as an 8Kpbs communications channel to collect performance data on long haul DDS
Frame #
facilities.
10
10
11
11
12
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
1150–1157
1343–1350
1536–1543
1729–1736
1922–1929
2115–2122
185–192
378–385
571–578
764–771
957–964
Bit #
1158
1351
1544
1737
1930
2123
193
386
579
772
965
0
A.2 T1DM Format
Framing Ft
Terminal
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
0
1
0
1
0
Conexant
Framing Fs
Signaling
F-Bits
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
1
1
1
0
Sync Byte
10111YR0
10111YR0
10111YR0
10111YR0
10111YR0
10111YR0
10111YR0
10111YR0
10111YR0
10111YR0
10111YR0
—
—
—
—
—
—
—
—
—
—
—
—
Bit Use in Each Time
Info
1–7
1–7
1–7
1–7
1–7
1–7
1–7
1–7
1–7
1–7
1–7
1–7
—
—
—
—
—
—
—
—
—
—
—
A.2 T1DM Format
Slot
Appendix A
Ctrl
—
—
—
—
—
—
—
—
—
—
—
8
8
8
8
8
8
8
8
8
8
8
8
A-3
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