Line Interface Hardware Interface
6-8
Centillion 1200N ATM Switch User Manual
NTP 297-8103-903
E3 Frame Format
■For public network UNI and private network UNI/NNI
■Physical layer
❑ITU-T G703
❑G751
❑G804
❑G832
❑I432
❑ETSI T/NA (91)18
■Coaxial cable
■Line coding: HDB3
■Data rate/line rate: 34.368 Mbps +/-20ppm
■Cell rate: 33.92 Mbps (G832), 34.01 Mbps (G751 Direct Mapping)
Figure 6-8: G.832 E3 Frame Format
9 rows
530 octets
payload
FA1
EM
TR
MA
NR
GC
FA2
59 octe ts