Bt8370/8375/8376
AppendixA
Fully Integrated T1/E1 Framer and Line Interface
A.4 Extended Superframe Format (ESF)
Table A-5 provides the performance report message structure.
Table A-5. Performance Report Message Structure
Octet No.
LSB
MSB
1
2
FLAG
SAPI
C/R
EA
EA
3
TEI
4
CONTROL
5
G3
FE
G3
FE
G3
FE
G3
FE
LV
SE
LV
SE
LV
SE
LV
SE
G4
LB
G4
LB
G4
LB
G4
LB
U1
G1
U1
G1
U1
G1
U1
G1
U2
R
G5
G2
G5
G2
G5
G2
G5
G2
SL
Nm
SL
G6
NI
G6
NI
G6
NI
G6
NI
6
7
U2
R
8
Nm
SL
9
U2
R
10
11
12
13
14
Nm
SL
U2
R
Nm
FCS (Most Significant Byte)
FCS (Least Significant Byte)
Note:
1. The 1-second report consists of octets 5–12.
2. R, U1, and U2 are reserved for future standardization and should be set to 0.
N8370DSE
Conexant
A-7