Panasonic 1200N Figure 6-6: DS3 Frame Format, Figure 6-7: DS3 PLCP Frame Format

Hardware Interface Line Interface
Centillion 1200N ATM Switch User Manual 6-7
NTP 297-8103-903
Figure 6-6: DS3 Frame Format
Figure 6-7: DS3 PLCP Frame Format
...
16-bit 84-bit 680-bit
7 Subframe, each with 680 bits = 1 M-Frame with 4760 bytes
INFO.PYLD.(Information Payload)= 4704 bytes available for the PLCP
Each INF O .P YLD.block = 8 4 b its
The sym bo l . . . re p re s e nts a n IN FO.PYLD .block
X, Fn
(
where n = 1001
)
, C, P, Mn
(
where n = 010
)
= DS3 Overhead Bit
Subframe
XINFO.PY LD . F1INF O.P YL D. C CINFO.PY LD . F 0 F0 CINFO.PY LD.
P
M1
M0
X
P
INFO.PY LD . F1INF O.P YLD . C CINFO.PY LD . F0 F0 CIN FO.PYLD .
INFO.PY LD . F1INF O.P YL D. C CINFO.PY LD . F 0 F0 CINFO.PY LD.
INFO.PY LD . F1INF O.P YL D. C CINFO.PY LD . F 0 F0 CINFO.PY LD.
INFO.PY LD . F1INF O.P YL D. C CINFO.PY LD . F 0 F0 CINFO.PY LD.
INFO.PY LD . F1INF O.P YL D. C CINFO.PY LD . F 0 F0 CINFO.PY LD.
M0INF O .P YLD. F1INF O.PYLD . C CINFO.P Y L D . F0 F0 CINFO.PY LD.
A1 A2
A1 A2
A1 A2
A1 A2
A1 A2
A1 A2
A1 A2
A1 A2
A1 A2
A1 A2
A1 A2
A1 A2 P11 P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
Z6
Z5
Z4
Z3
Z2
Z1
X
X
X
B1
G1
C1
µ
0sec
PLCP Framing POI POH
First ATM Ce ll
PLCP Payload
ATM C ell
ATM C ell
ATM C ell
ATM C ell
ATM C ell
ATM C ell
ATM C ell
ATM C ell
ATM C ell
ATM C ell
Twelfth AT M C e ll
53 octets
POI : Path Overhead Indicator
POH : Path O verhead
BIP8 : B it I nte rle a v ed P a rity - 8
X : Unassigned