STANDARD PRODUCT
PM4328 TECT3
DATASHEET
PMC-2011596
ISSUE 1
HIGH DENSITY T1/E1 FRAMER
AND M13 MULTIPLEXER
9
G3
FE
G3
FE
LV
SE
LV
SE
G4
LB
G4
LB
U1
G1
U1
G1
U2
R
G5
G2
G5
G2
SL
Nm
SL
G6
NI
10
11
12
13
14
15
U2
R
G6
NI
Nm
FCS
FCS
FLAG
Notes:
1. The order of transmission of the bits is LSB (Bit 1) to MSB (Bit 8).
Table 9: Performance Report Message Structure Notes
Octet No. Octet Contents Interpretation
1
2
01111110
00111000
00111010
00000001
00000011
Variable
Variable
Variable
Variable
Variable
Opening LAPD Flag
From CI:
SAPI=14, C/R=0, EA=0
From carrier: SAPI=14,C/R=1,EA=0
TEI=0,EA=1
3
4
Unacknowledged Frame
Data for latest second (T')
Data for Previous Second(T'-1)
Data for earlier Second(T'-2)
Data for earlier Second(T'-3)
CRC16 Frame Check Sequence
Closing LAPD flag
5,6
7,8
9,10
11,12
13,14
15
01111110
Table 10: Performance Report Message Contents
Bit Value
Interpretation
G1=1
G2=1
G3=1
CRC ERROR EVENT =1
1<CRC ERROR EVENT ?5
5<CRC ERROR EVENT ?10
PROPRIETARY AND CONFIDENTIAL
149
PMC [ PMC-SIERRA, INC ]
