PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 89

• Manufacturer Part Number: PM5381-BI
• Description: ATM UNI, Single Channel ATM PHY Interface for 2488.32Mbps
• Manufacturer: PMC-Sierra, Inc.

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000489, Issue 4
Figure 12 Pointer Generation State Diagram
The following events, indicated in the state diagram, are defined:
ES_lowerT:
ES_upperT:
FO_discont:
PI_AIS:
PI_LOP:
PI_NORM:
Note 1:
AIS_ind
AIS
PI_AIS
INC
ES filling is below the lower threshold + previous inc_ind, dec_ind or
NDF_enable more than three frames ago.
ES filling is above the upper threshold + previous inc_ind, dec_ind or
NDF_enable more than three frames ago.
frame offset discontinuity
PI in AIS state
PI in LOP state
PI in NORM state
A frame offset discontinuity occurs if an incoming NDF enabled is
received, or if an ES overflow/underflow occurred.
inc_ind
norm_point
PI_LOP
PI_AIS
PI_AIS
ES_lowerT
PI_NORM
PI_AIS
NORM
S/UNI-2488 Telecom Standard Product Datasheet
FO_discont
dec_ind
ES_upperT
NDF_enable
DEC
NDF
Released
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