tmxf28155 ETC-unknow, tmxf28155 Datasheet - Page 507

• Manufacturer Part Number: tmxf28155
• Description: Tmxf28155 Super Mapper 155/51 Mbits/s Sonet/sdh X28/x21 Ds1/e1
• Manufacturer: ETC-unknow

Preliminary Data Sheet
May 2001
21 28-Channel Framer Block Functional Description
The superframer performance monitor block outputs fields G1—G6, FE, SE, LV, SL, and LB. The remaining fields
are generated in the HDLC block.
A severely errored frame (SEF) defect is determined by examining contiguous time windows for frame bit errors. In
ESF, the window size is 3 ms, and only the frame pattern sequence bits are checked. An SEF defect occurs when
two or more frame bit errors in a window are detected. An SEF defect is terminated when the signal is in frame and
there are less than two frame bit errors in a window.
Table 587. Performance Report Message Format
Table 588. Performance Report Message Field Definition
Agere Systems Inc.
Octet Number
Nm, NI = 00, 01, 10, 11
13—14
10
11
12
15
1
2
3
4
5
6
7
8
9
U1, U2 = 0
G1 = 1
G2 = 1
G3 = 1
G4 = 1
G5 = 1
G6 = 1
SE = 1
FE = 1
SL = 1
LB = 1
LV = 1
Field
R = 0
PRM B7
G3
FE
G3
FE
G3
FE
G3
FE
PRM B6
SE
SE
SE
SE
LV
LV
LV
LV
PRM B5
Frame Synchronization Bit Error Event
G4
LB
G4
LB
G4
LB
G4
LB
Line Code Violation Event
Severely Errored Framing Event
SAPI
One Second Report Modulo 4 Counter
PRM B4
100 < CRC Error Event
155/51 Mbits/s SONET/SDH x28/x21 DS1/E1
TEI
Payload Loopback Activated
Reserved (default value = 0)
G1
G1
G1
G1
10 < CRC Error Event
U1
U1
U1
U1
5 < CRC Error Event
1 < CRC Error Event
CRC Error Event
CRC Error Event = 1
Control
FLAG
Flag
FCS
Slip Event
Definition
Reserved
PRM B3
U2
U2
U2
U2
R
R
R
R
(continued)
1 (BPV
TMXF28155/51 Super Mapper
1
PRM B2
320
G5
G2
G5
G2
G5
G2
G5
G2
10
100
1 (FE will = 0)
5
319
1 or EXZ
1 (SE will = 0)
PRM B1
C/R
Nm
Nm
Nm
Nm
SL
SL
SL
SL
1)
PRM B0
EA
EA
G6
G6
G6
G6
NI
NI
NI
NI
507