TXC-04251AIPQ Transwitch Corporation, TXC-04251AIPQ Datasheet - Page 55

• Manufacturer Part Number: TXC-04251AIPQ
• Manufacturer: Transwitch Corporation

Specifications of TXC-04251AIPQ

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

MULTIPLEX FORMAT AND MAPPING INFORMATION
STS-1 VT1.5 (1.544 Mbit/s) Multiplex Format
The following diagram and table illustrate the mapping of the 28 VT1.5s into a STS-1 SPE. Column 1 is
assigned to carry the path overhead bytes.
G1
B3
C2
F2
H4
Z3
Z4
Z5
J1
VT1.5
1
27
1
2
3
1.5
VT VT
#1
1.5
#2
3 COLUMNS
1
4
1.5
VT
29
28
#
2 3
30
R
R
R
R
R
R
R
R
R
27
STS-1 SPE
1.5
VT
31
#1
VT
1.5
#2
VT
1.5
58
28
#
59
R
R
R
R
R
R
R
R
R
VT
1.5
60
#1
1.5
VT
#2
DATA SHEET
- 55 -
VT
1.5
87
28
#
Ed. 4, March 2000
TXC-04251
TXC-04251-MB
QT1M