Tables
8-1. Layer 2 Services of the L2 Interface of the S5-95U . . . . . . . . . . . . . . . . . 8 - 5
8-2. Defining Job Numbers in the L2 FBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 9
8-3. Layer 2 Services, DB1 Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 10
8-4. Entering Parameters for Layer 2 Services . . . . . . . . . . . . . . . . . . . . . . . . 8 - 10
8-5. link_status Messages for SDA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 17
8-6. link_status Messages for SDN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 21
8-7. link_status Messages for the RUP_SINGLE Service . . . . . . . . . . . . . . . 8 - 24
8-8. link_status Messages for the RUP_MULTIPLE Service . . . . . . . . . . . . . . 8 - 27
8-9. link_status Messages for the RUP_MULTIPLE Service . . . . . . . . . . . . . . 8 - 31
8-10. link_status Messages (Indications) for the SRD Service . . . . . . . . . . . . . . 8 - 31
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Figures
8-1. Example: Hardware Configuration Using Layer 2 Services . . . . . . . . . . . . . 8 - 2
8-2. Function Model Using Layer 2 Services . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 3
8-3. Using Job Numbers (A-NR) for Accessing Layer 2 Services via SAPs . . . . 8 - 6
8-4. Request, Confirmation and Indication Structures . . . . . . . . . . . . . . . . . . . 8 - 8
8-5. Schematic: Data Transmission Using Layer 2 Services . . . . . . . . . . . . . . . 8 - 9
8-6. Sending and Receiving Data with Acknowledgement or
Confirmation (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 15
8-7. Structure of Requests, Confirmations and Indications for the SDA Service . 8 - 16
8-8. Sending and Receiving Data without Acknowledgement or
Confirmation (SDN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 19
8-9. Structure of Requests, Confirmations and Indications for the SDN Service . 8 - 20
8-10. Holding Data Ready for Fetching with the RUP_SINGLE Service . . . . . . . 8 - 23
8-11. Request and Confirmation Structures for the RUP_SINGLE Service . . . . . 8 - 24
8-12. Holding Data Ready for Fetching with the RUP_MULTIPLE Service . . . . . 8 - 26
8-13. Request and Confirmation Structures for the RUP_MULTIPLE Service . . . 8 - 27
8-14. Sending and Fetching Data with the SRD Service . . . . . . . . . . . . . . . . . . 8 - 29
8-15. Structure of Requests, Confirmations and Indications for the SRD Service . 8 - 30
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EWA 4NEB 812 6112-02