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參數(shù)資料
| 型號： | TMUX03155 |
| 廠商： | Lineage Power |
| 英文描述： | STS-3/STM-1 (AU-4) Multiplexer/Demultiplexer(STS-3/STM-1 (AU-4)多路復用器/多路分解器) |
| 中文描述： | STS-3/STM-1（非盟- 4）多路復用器/多路解復用器（STS-3/STM-1（非盟- 4）多路復用器/多路分解器） |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 261K |
| 代理商： | TMUX03155 |
Product Brief
February 1998
TMUX03155 STS-3/STM-1 (AU-4) Multiplexer/Demultiplexer
6
Lucent Technologies Inc.
Transmit Direction Overview
(continued)
STM-1 (AU-4) Frame Generation (AU-4 Mode)
In STM-1 mode, the device will create the overhead according to the following table. The path overhead bytes are
created in this mode. The three AU-3 inputs are converted to TUG-3 format and inserted into a VC-4 that is multi-
plexed into an AU-4.
* Access through transmit TOAC.
Table 5. STM-1 (AU-4) Output Overhead Format
STM-1 (AU-4) Overhead
AU-4 Payload
Col.1
Col. 2
Col. 3
Col. 4
Col. 5
Col. 6 Col. 7 Col. 8
Col. 9
POH
10
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
22—
270
Row 1
A1-1
A1-2
A1-3
A2-1
A2-2
A2-3
J0
Z0-2
Z0-3
J1
F
I
X
E
D
S
T
U
F
F
F
I
X
E
D
S
T
U
F
F
N
P
I
N
P
I
N
P
I
F
I
X
E
D
S
T
U
F
F
F
I
X
E
D
S
T
U
F
F
F
I
X
E
D
S
T
U
F
F
T
U
G
-
3
A
T
U
G
-
3
B
T
U
G
-
3
C
—
Row 2
B1
B1-2*
B1-3*
E1*
E1-2*
E1-3*
F1*
F1-2*
F1-3*
B3
—
Row 3
D1*
D1-2*
D1-3*
D2*
D2-2*
D2-3*
D3*
D3-2*
D3-3*
C2
—
Row 4
H1-1
Y
Y
H2-1
1*
1*
H3-1
H3-2
H3-3
G1
S
T
U
F
F
S
T
U
F
F
S
T
U
F
F
—
Row 5
B2-1
B2-2
B2-3
K1
K1-2*
K1-3*
K2
K2-2*
K2-3*
F2
—
Row 6
D4*
D4-2*
D4-3*
D5*
D5-2*
D5-3*
D6*
D6-2*
D6-3*
H4
—
Row 7
D7*
D7-2*
D7-3*
D8*
D8-2*
D8-3*
D9*
D9-2*
D9-3*
Z3
—
Row 8
D10*
D10-2*
D10-3*
D11*
D11-2*
D11-3*
D12*
D12-2*
D12-3*
Z4
—
Row 9
S1*
Z1-2*
Z1-3*
Z2-1*
Z2-2*
M1
E2*
E2-2*
E2-3*
Z5
—
Note: Bold type within the table is not defined in the standard and is
labeled here for clarity.
The following values are assigned to the transmitted
overhead bytes:
A1—11110110 (0xF6)
A2—00101000 (0x28)
J0—Programmable
Z0-2—Programmable
Z0-3—Programmable
B1—Variable value (BIP-8 Parity)
F1—Programmable
H1-1—01101010
H2-1—00001010 (Pointer value of 522\D)
Y—10011011 (NDF, SS, PTR) - Concatenation
indication
1—All ones pattern
H3-1, 2, 3—Default byte value (0xFF)
B2-1, 2, 3—Variable value BIP-24
K1—Programmable
K2—Programmable
S1—Programmable
M1—Variable value (Section FEBE—Number of B2
Errors)
Transmit Direction Overview
(continued)
Path Bytes
J1—64-byte programmable sequence
B3—Variable value BIP-8
C2—Programmable
G1[7:4]—REICNT (B3 errors from receive side)
G1[3]—RDI indication
G1[2:0]—Default value
F2—Programmable
H4[1:0]—Position indicator (multiframe value
(00/B to 11/B))
Z3—Programmable
Z4—Default value
Z5—Programmable
All bytes not specified above are either (1) set to the
fixed stuff value 0xFF (SDH), or (2) TOAC value
inserted, or (3) passed through from the selected AU-3
input, all under user control.
Transport Overhead Access Channel (TOAC)
Insert
The device will allow the insertion of overhead data
from the transmit TOAC under user control.
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