PM73121ꢀAAL1gator II
Data Sheet
PMC-Sierra, Inc.
PMC-980620
,VVXHꢀꢁ
AAL1 SAR Processor
APPENDIX A NOMENCLATURE
A.1 Definitions
Transmit Signals: all signals related to processing the data heading towards the optical/elec-
trical layer.
Receive Signals: all signals related to processing the data heading towards the ATM layer.
A.2 Signal Name Prefixes
All pins and alarm names in the AAL1gator II have prefixes indicating the functional layer
they implement (refer to Table 27).
Table 27. Prefixes and Associated Functional Layers
Pin Name Prefix
TATM
Associated Functional Layer
Transmit UTOPIA ATM Layer.
These signals should be connected to the PHY layer.
RATM
TPHY
RPHY
Receive UTOPIA ATM Layer.
These signals should be connected to the PHY layer.
Transmit UTOPIA ATM Layer.
These signals should be connected to the ATM layer.
Receive UTOPIA ATM Layer.
These signals should be connected to the ATM layer.
A.3 Numbers
Hexadecimal numbers are followed by the suffix “h” and binary numbers are followed by the suf-
fix “b”. For example: 101b or 2Ch. Decimal numbers appear without a suffix.
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PMC [ PMC-SIERRA, INC ]
