PM4328 View Datasheet(PDF) - PMC-Sierra
Part Name
Description
MFG CO.
'PM4328' PDF : 250 Pages View PDF
STANDARD PRODUCT
DATASHEET
PMC-2011596
9
10
11
12
13
14
15
PM4328 TECT3
ISSUE 1
HIGH DENSITY T1/E1 FRAMER
AND M13 MULTIPLEXER
G3 LV G4 U1 U2 G5 SL G6
FE SE LB G1 R G2 Nm NI
G3 LV G4 U1 U2 G5 SL G6
FE SE LB G1 R G2 Nm NI
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.
1
2
3
4
5,6
7,8
9,10
11,12
13,14
15
Octet Contents Interpretation
01111110
00111000
00111010
00000001
00000011
Variable
Variable
Variable
Variable
Variable
01111110
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
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
Table 10: Performance Report Message Contents
Bit Value
G1=1
G2=1
G3=1
Interpretation
CRC ERROR EVENT =1
1<CRC ERROR EVENT £5
5<CRC ERROR EVENT £10
PROPRIETARY AND CONFIDENTIAL
149
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