User's Manual Part 2

4-10 LGCell Installation

Be sure

to record which number or color is connected to

and to

DOWN

This information is needed when connecting the other end of the MMF

cables to the Expansion Hub ports.

Expansion Hub Installation

The Expansion Hubs may be located in the same or different wiring closets, and

they may be located in a different wiring closet than the Main Hub.

Use the following procedures for all Expansion Hubs.

4 Check Main Hub LEDs

The

POWER

and

SYNC

LEDs should be

green. If not, reset the Main Hub.

If the

POWER

and

SYNC

LEDs do not light

green, see

Section 6, Common Problems,

Troubleshooting, and Frequently Asked

Questions

The

LINK

STATUS

and

SYNC

LEDs on the

ports where the fiber is connected should

be red. This indicates that the other end of

the MMF cable is not yet connected to the

Expansion Hub ports.