CX28398 Conexant Systems, CX28398 Datasheet - Page 110

• Manufacturer Part Number: CX28398
• Description: (CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
• Manufacturer: Conexant Systems

2.0 Circuit Description
2.4 Transmitter
2-52
where B is an AMI pulse and V is a bipolar violation (see
encoder selects the code that will force the BPV output polarity opposite to the
prior BPV .
Figure 2-24. Zero Code Substitution Formats
10011000 code, per Bellcore TA-TSY-000278. Note that RCVR's ZCS decoder
cannot recover original data content from a UMC or B7ZS encoded signal, or
from a PDV-enforced one.
HDB3
B8ZS
B7ZS
UMC
The HDB3 line code replaces four consecutive zeros by 000V or B00V code,
UMC forces DS0 channels containing 8 zeros to be replaced with the
AMI
1
1
Conexant
0
0
Zero Code Substitution Formats
0
BPV
BPV
0
Octet
0
Quad/x16/Octal—T1/E1/J1 Framers
0
BPV
CX28394/28395/28398
0
Figure
BPV
0
2-24). ZCS
1
1
100054E