tfra08c13 ETC-unknow, tfra08c13 Datasheet - Page 36

• Manufacturer Part Number: tfra08c13
• Description: Tfra08c13 Octal T1/e1 Framer
• Manufacturer: ETC-unknow

TFRA08C13 OCTAL T1/E1 Framer
Frame Formats
D4 Frame Format
D4 superframe format consists of 12 DS1 frames. Table 8 shows the structure of the D4 superframe.
Table 8. D4 Superframe Format
1. Frame 1 is transmitted first.
2. Following ANSI T1.403, the bits are numbered 0—2315. Bit 0 is transmitted first. Bits in each DS0 time slot are numbered 1 through 8, and bit
3. The remote alarm forces bit 2 of each time slot to a 0-state when enabled. The Japanese remote alarm forces framing bit 12 (bit number
4. Signaling option none uses bit 8 for traffic data.
5. Frames 6 and 12 contain the robbed-bit signaling information in bit 8 of each voice channel, when enabled.
The receive framer uses both the F
36
Number
1 of each DS0 is transmitted first.
2123) to a 1-state when enabled.
Frame
12
10
11
6
1
2
3
4
5
7
8
9
5
5
1
Number
1158
1351
1544
1737
1930
2123
193
386
579
772
965
Bit
0
(continued)
2
Framing Bits
Frame F
Terminal
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—
—
—
—
—
1
0
1
0
1
0
T
T
and F
Signal
Frame
F
—
—
—
—
—
—
0
0
1
1
1
0
S
S
framing bits during its frame alignment procedure.
Channels)
Traffic
1—8
1—8
1—8
1—8
1—8
1—7
1—8
1—8
1—8
1—8
1—8
1—7
Bit Used in Each Time Slot
(All
Remote
Alarm
2
2
2
2
2
2
2
2
2
2
2
2
3
Signaling None
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—
—
—
—
—
—
—
—
8
8
Preliminary Data Sheet
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Lucent Technologies Inc.
Signaling Options
Lucent Technologies Inc.
4
2-State
October 2000
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—
—
—
—
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—
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A
A
4-State
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A
B