HP 480 manual Dual-Attach Station DAS, Figure D-1. Example of Dual-Attach Station Connections

FDDI Cable Attachment Configurations

Dual-Attach Station (DAS)

Dual-Attach Station (DAS)

Adjacent DAS

(router with FDDI)

A B

HP router with

FDDI port

A B

Adajacent DAS (router with FDDI)

A B

... ...

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

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.

D FDDI Cable

Attachments

D-3