Line Interface Hardware Interface
6-6
Centillion 1200N ATM Switch User Manual
NTP 297-8103-903
DS3 Frame Format
■For public network UNI and private network UNI/NNI
■Physical layer:
❑ITU-T G703
❑G804
❑I432
❑ANSI T1.102-1933
❑T1.107a-1990
❑T1.404-1994
❑T1.646-1995
❑Bellcore TR-NWT-001112
❑TR-NWT-000499
■Coaxial cable
■Line coding: B3ZS
■Data rate/line rate: 44.736 Mbps
■Cell rate: 44.21 Mbps (Direct Mapping), 40.70 Mbps (PLCP)
Figure 6-6 and Figure 6-7 illustrate DS3 frame format and DS3 PLACP frame
format.