Cisco ONS 15454 Hardware Installation Manual page 466

NTP-G114 Inspect and Replace the Air Filter
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
Warning Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed circuitry
could constitute an energy hazard. Statement 206
Note The air filters are single-use only. They must not be cleaned and reused. This is a Telcordia NEBS requirement,
GR-63-CORE Issue 4.
Note Air filters must be inspected every month. If they are dirty or clogged with dust, they must be replaced with
a new air filter.
Note
If you install the air filter below 15454E-CC-FTA or 15454-CC-FTA, only filters with part numbers
700-23193-01 and 700-23194-01 can be used in this configuration.
Caution
Although the air filter can work with older fan trays if it is installed with either side facing up, it is recommended
that you install it with the metal bracing facing up to preserve the surface of the filter. You must install the
air filter with the metal bracing facing up with 15454E-CC-FTA or 15454-CC-FTA.
Note To install the air filter inside the air ramp unit (15454E-AIR-RAMP or 15454-AIR-RAMP), use the ETSI
version of the air filter (15454-FTF2 or 15454E-FTF4).
Procedure
Step 1 If the air filter is installed in the external filter brackets, slide the filter out of the brackets while being careful
not to dislodge any dust that might have collected on the filter and proceed to Step 8.
Fan-Tray Air Filter in an External Filter Bracket (Front Door Removed), on page 437
filter in an external filter bracket on an ANSI shelf.
Cisco ONS 15454 Hardware Installation Guide
436
Maintaining the ONS 15454 M12 (ANSI and ETSI), ONS 15454 M2 and ONS 15454 M6 Shelf
New air filter, pinned hex key tool
None
As needed
Onsite
None
Figure 288: ETSI Shelf Fan-Tray Air Filter in an External
Figure 287: ANSI Shelf
shows the fan-tray air