TXC-04252AIPQ Transwitch Corporation, TXC-04252AIPQ Datasheet - Page 95

• Manufacturer Part Number: TXC-04252AIPQ
• Manufacturer: Transwitch Corporation

Specifications of TXC-04252AIPQ

• Pin Count: 160
• Screening Level: Industrial
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

STS-3/AU-3 VT2/TU-12 (2.048 Mbit/s) Multiplex Format Mapping
The following diagram and table illustrate the mapping of the 63 VT2/TU-12s into an STS-3/AU-3 SPE. Each
STS-3 carries three STS-1s. Column 1 in each STS-1/AU-3 is assigned to carry the path overhead bytes.
B3
C2
G1
H4
J1
F2
Z3
Z4
Z5
1
36 BYTES
Proprietary TranSwitch Corporation Information for use Solely by its Customers.
VT
2
#
1
VT
23
2
#
1
1
Note: Columns 88, 89, 90, 175, 176 and 177 are fixed stuff.
VT2
36
1
2
3
VT
29
2
#
7
30
R
R
R
R
R
R
R
R
R
1 2 3
5
4 COLUMNS
VT
44
21
2
#
45
VT
35
3
2
#
1
36
4
59
R
R
R
R
R
R
R
R
R
VT
60
15
2
#
VT
66
21
2
#
STS-3/AU-3 SPE
DATA SHEET
VT
67
- 95 of 148 -
2
#
1
VT
87
21
2
#
G1
B3
C2
F2
H4
Z3
Z4
Z5
J1
1
VT VT
22 23
2
#
2
#
VT
87
42
2
#
B3
C2
G1
H4
J1
F2
Z3
Z4
Z5
1
VT
43
2
#
VT
VT
44
2
2
#
#
Ed. 3, December 2000
TXC-04252
261
87
VT
63
2
#
TXC-04252-MB
QE1M