Service manual

Installation Tasks

2-9

Installation Tasks

2. Position the hub in the equipment rack. Align screw holes in the

mounting brackets with screw holes in the rack-mount standards.

3. Secure both sides of the hub to the rack-mount standards. Use the

1/8-inch Allen wrench and four Allen-head mounting screws

(10/32 x 0.5-inch) provided.

4. Repeat step 1 through step 3 for the remaining hubs.

5. To daisy-chain (connect) the hubs:

a. To connect the top and middle stacked hubs, connect an RJ-45

patch cable to port 24 of the top hub, then connect the cable to

port 12 of the middle hub.

b. To connect the bottom and middle stacked hubs, connect a

second RJ-45 patch cable to port 24 ofthemiddlehub,then

connect the cable to port 12 of the bottom hub.

c. As shown in use a pointed instrument to set the

medium-dependent interface (MDI) switch on the top and

middle hubs to MDI (in) (Figure 2-1, 1 and 2). Set the MDI

switch on the bottom hub to MDIX (out) (Figure 2-1, 3).

NOTE: To connect two hubs, follow step b and step c (middle and

bottom hub) instructions.

6. Connect a power cord to a rack power strip and the receptacle at

the rear of each hub. Power for each hub switches on when the

hub (and equipment rack) are connected to facility AC power.

NOTE: Ensure each hub is connected to a separate rack power strip.

7. Inspect the front panel of each hub. Ensure each green Power

LED illuminates.

Task 3: Unpack, Inspect, and Install the Director

The following paragraphs provide instructions to unpack, inspect,

and install the director in a rack-mount configuration. If the director

is deliveredin a Fabricenter equipment cabinet,go to Ta sk 5 : Con fi gu re

Director Network Information (Optional) on page 2-30.