Cabletron Systems HubSTACK SEHI-34 User Manual

Also see for HubSTACK SEHI-34: Addendum

Contents

CONNECTING TO THE NETWORKPage 4-86. Check that the EPIM’s LNK LED is on. If the LED is not on,perform the following steps until it is:a. Check that the power is turned on for the device at the otherend of the link.b. Verify proper “cross-over” of fiber strands between theapplicable port on the module and the fiber optic device at theother end of the fiber optic link segment.c. Verify that the fiber connection meets the dB loss specificationsoutlined in Chapter 2.If a link still has not been established, contact Cabletron SystemsTechnical Support.4.1.5 Connecting a Thin-Net Segment to an EPIM-CTo connect a thin-net segment to an EPIM-C, refer to Figure 4-5 andperform the following steps:1. Set the Internal Termination Switch to the right of the port andlabeled TERM to:• The on position (•) if the thin-net segment connected directly tothe port will be internally terminated at the port.• The off position (o) if the thin-net segment will not beterminated at the port or externally terminated.2. If the Internal Termination switch is in the On position, connectthe thin-net segment directly to the BNC port as shown inFigure 4-5.3. If the Internal Termination switch is in the Off position:a. Attach a BNC tee-connector to the BNC port on the module.b. Attach the thin-net segment to one of the female connectors onthe tee-connector.