VSC6134
Datasheet
2.1
Line Overhead Monitor
The following functions are supported by the receive line overhead (LOH) monitor block:
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Line BIP calculation and checking
K1 and K2 monitoring
S1 monitoring
M0,M1 (REI_L) monitoring
D4-D12 monitoring
E2 monitoring
A block diagram of the LOH monitor is shown in the following figure.
Figure 8. LOH Monitor Functional Block Diagram
Line Overhead Monitor
DATAI[63:0]
ROWCNT[3:0]
K1, K2
Mon.
S1
E2
D4-D12
Mon.
M0M1
Mon.
B2
Mon.
Mon.
Mon.
K1K2NEW_S S1NEW_S E2NEW_S DCCNEW_S M0M1ERR_S
B2ERR_S
AIS_S
RDI_S
S1INC_S
S1VALID
E2BYTE
DCCBYTE M0M1ERRCNT B2BITERRCNT
B2BLKERRCNT
K1K2INC_S
APSMM_S
K1K2VALID
MPU Interface
Access to K1, K2, S1, D4 to D12, B2 bit error count, B2 block error count, and M0M1 error count is
provided using the microprocessor interface and also through the serial interface.
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VMDS-10185 Revision 4.0
July 2006
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
