HP AdvanceStack Router 230 Installation Manual download pdf (Page 122)

Single-Attach Station (SAS)

This configuration avoids the need for an optical bypass switch (page 1-

19) because the FDDI concentrator provides the isolation of the router

from the dual ring (to prevent ring wrap) if the router’s FDDI circuit be-

comes non-operational.

1. Attach the concentrator to the FDDI ring.

2. Attach either port ‘‘A’’ or port ‘‘B’’ to any ‘‘M’’ port on the FDDI

concentrator.

......

FDDI Concentrator

Connect either ‘‘A’’ or

‘‘B’’ to any ‘‘M’’ port on

the concentrator

HP router with an

FDDI port

Figure D-2. Example of Single-Attach Station Connections

FDDI Cable Attachment Configurations

Single-Attach Station (SAS)

D-4

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HP AdvanceStack Router 230 Installation Manual Page 122