TXC-04252AIPQ Transwitch Corporation, TXC-04252AIPQ Datasheet - Page 97

• 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

STM-1/VC-4 TU-12 (2048 kbit/s) Multiplex Format Mapping
The following diagram and table illustrate the mapping of the 63 TU-12s into an STM-1/VC-4. The QE1M pro-
vides control bits for enabling the Null Pointer Indicators (NPIs) for the columns indicated.
TUG-2 #1
VC-4
Proprietary TranSwitch Corporation Information for use Solely by its Customers.
P
O
H
1
36
1
1
2
3
N
P
I
1
2
3
3
1
1
1 2 3
5
4 COLUMNS
2
7
3
24
1
36
TUG-3A
4
1
2
TU-12 #1
7
3
45
1
1
2
7
3
66
1
DATA SHEET
- 97 of 148 -
86
7
STM-1/VC-4
N
P
I
1
TUG-3B
8
86
14
N
P
I
1
TUG-3C
15
Ed. 3, December 2000
261
86
21
TXC-04252
TXC-04252-MB
QE1M