User's Manual

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D-620003-0-20 Rev K CONFIDENTIAL
Unison Component Installation Procedures
3. Reattach each of the rack mounting brackets to the opposite side of the hub from
which it came.
Refer to Figure 7-2 for bracket placement.
Figure 7-2 Mounting Bracket Installation
4. Attach the Expansion Hub to the rack.
NOTE: Leave the dust caps on the fiber ports until you are ready to connect the fiber
optic cables.
Installing an Optional Cable Manager in the Rack
• Using the screws provided, fasten the cable manager to the rack, immediately
above or below the Expansion Hub.
Powering On the Expansion Hub
1. Connect the AC power cord to the Expansion Hub.
2. Plug the power cord into an AC power outlet.
3. Turn on the power to the Expansion Hub and check that all the LED lamps are
functioning properly.
Upon power-up, the LEDs blinks for five seconds as a visual check that they are
functioning. After the five-second test:
• The
POWER and UL STATUS LEDs should be green.
– If the uplink fiber is not connected within 90 seconds after the test, the
UL STATUS LED will turn red indicating that there is no communication with
the Main Hub.
Right Rack Mounting Bracket as
installed from the factory.
Left Rack Mounting Bracket installed on
the right side of the hub.
3''
3.5''
3''
3.5''