VSC6134
Datasheet
3.10.4
Add/Drop SONET Frame Aligner Register 3
Address:
0xD03: Add Path
0x503: Drop Path
0x605C
Register Reset Value:
Table 380. Add/Drop SONET Frame Aligner Register 3
Reset
Value
Bit
Name
Access
Description
15:13
SEF_CTRL[2:0]
R/W
Determines the number of consecutive frames with the
wrong framing pattern, for which SEF will be asserted.
Number of frames is (SEF_CTRL +1). Default is 4 frames.
011
0x17
00
12:2
LOFSETCNT[10:0]
Reserved
R/W
RO
Determines the number of frames for which SEF should
remain asserted to declare LOF condition. Number of
frames is (LOFSETCNT + 1 ). Default is 24.
1:0
3.10.5
Add/Drop SONET Frame Aligner Status Register
Address:
0xD04: Add Path
0x504: Drop Path
0x6C00
Register Reset Value:
Table 381. Add/Drop SONET Frame Aligner Status Register
Reset
Value
Bit
15
14
Name
FERS
SEFS
Access
R/W
Description
A 1 indicates that a framing bit error was detected.
0
1
R/W
A 1 indicates that a severely errored frame condition was
detected.
13
12
11
10
9
LOFS
LOSS
SEFL
R/W
R/W
R/W
R/W
R/W
RO
A 1 indicates that a loss of frame condition was detected.
A 1 indicates that a loss of signal condition was detected.
Severely errored frame current condition (live bit).
Loss of frame current condition (live bit).
1
0
1
LOFL
1
0
LOSL
Loss of signal current condition (live bit).
8:0
Reserved
0x000
354 of 438
VMDS-10185 Revision 4.0
July 2006
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
