UTOPIA Specification Level 1, V2.01
© 1994 The ATM Forum i All Rights Reserved
TABLE OF CONTENTS
1. Introduction..................................................................................................................................1
1.1 Document Purpose.................................................................................................................1
1.2 Document Scope....................................................................................................................1
1.3 Current Level........................................................................................................................1
2. Motivation and Goals.....................................................................................................................2
3. Functional Description...................................................................................................................3
3.1 Conventions.........................................................................................................................3
3.2 Interface Rates.......................................................................................................................3
3.3 Device Capabilities................................................................................................................3
3.3.1 Synchronization............................................................................................................3
3.3.2 Rate Matching..............................................................................................................3
3.3.3 Cell Processing.............................................................................................................4
3.4 Relationship of Signals...........................................................................................................4
4. Transmit Interface..........................................................................................................................5
4.1 Signals................................................................................................................................5
4.2 Operation and Timing.............................................................................................................5
4.2.1 Octet-Level Handshake...................................................................................................6
4.2.2 Cell-Level Handshake.....................................................................................................6
4.2.3 Examples.....................................................................................................................6
4.2.4 Timing Specifications....................................................................................................8
5. Receive Interface............................................................................................................................9
5.1 Signals................................................................................................................................9
5.2 Operation and Timing.............................................................................................................10
5.2.1 Octet-Level Handshake...................................................................................................10
5.2.2 Cell-Level Handshake.....................................................................................................10
5.2.3 Examples.....................................................................................................................10
5.2.4 Timing Specifications....................................................................................................11
6. 16-Bit Mode.................................................................................................................................13
6.1 Purpose................................................................................................................................13
6.2 Cell Format..........................................................................................................................13
6.3 Signals................................................................................................................................13
7. Summary.....................................................................................................................................15
7.1 Transmit Interface Signals.......................................................................................................15
7.2 Receive Interface Signals........................................................................................................15