Cisco ONS 15454 Series Procedure Manual page 67

Chapter 1 Install the Shelf and Backplane Cable
The 15454-FTA3 fan-tray assembly can only be installed in ONS 15454 Release 3.1 or later shelf
Caution
assemblies (15454-SA-ANSI, 800-19857; 15454-SA-HD, 800-24848). It includes a pin that does not
allow it to be installed in ONS 15454 shelf assemblies released earlier than ONS 15454 Release 3.1
(15454-SA-NEBS3E, 15454-SA-NEBS3, and 15454-SA-R1, P/N 800-0714915454). Installing the
15454-FTA3 in a noncompliant shelf assembly might result in failure of the alarm interface panel (AIP),
which in turn, will result in power loss to the fan-tray assembly.
You must place the edge of the air filter flush against the front of the fan-tray assembly compartment
Caution
when installing the fan tray on top of the filter. Failure to do so could result in damage to the filter, the
fan tray, or both.
Do not force a fan-tray assembly into place. Doing so can damage the connectors on the fan tray and/or
Caution
the connectors on the back panel of the shelf assembly.
If you are installing the ONS 15454 in an outside plant cabinet, remove the air filter to provide maximum
Note
cooling capabilities and to comply with Telcordia GR-487-CORE.
To install the fan-tray assembly, it is not necessary to move any of the cable-management facilities.
Note
Step 1 Install the air filter. The air filter can be installed internally between the fan tray and shelf assembly, or
externally by mounting the air filter bracket on the bottom of the shelf assembly. Slide the air filter into
the bracket.
Slide the fan tray into the shelf assembly until the electrical plug at the rear of the tray plugs into the
Step 2
corresponding receptacle on the backplane.
To verify that the tray has plugged into the backplane, look at the fan tray and listen to determine that
Step 3
the fans are running.
Figure 1-1
March 2005
shows the location of the fan tray.
NTP-A7 Install the Fan-Tray Assembly
Cisco ONS 15454 Procedure Guide, R5.0
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