HP AdvanceStack Router 230 Manuale di Installazione Scaricare il pdf (Pagina 121)

Dual-Attach Station (DAS)

This configuration gives you optional use of the optical bypass switch

(page 1-19) to prevent ring wrap if an FDDI circuit becomes non-opera-

tional.

1. Attach port ‘‘A’’ of the router to port ‘‘B’’ of an adjacent DAS.

2. Attach port ‘‘B’’ of the router to port ‘‘A’’ of another DAS.

....

Adjacent DAS

(router with FDDI)

HP router with

FDDI port

Adajacent DAS

(router with FDDI)

Figure D-1. Example of Dual-Attach Station Connections

FDDI Cable

Attachments

FDDI Cable Attachment Configurations

Dual-Attach Station (DAS)

D-3

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HP AdvanceStack Router 230 Manuale di Installazione Pagina 121