Figure 1-4 Removing Or Replacing The Fan-Tray Air Filter - Cisco ONS 15327 User Documentation

Fan-Tray Assembly Installation
Procedure: Mount Multiple ONS 15327s in a Rack
Install the fuse and alarm panel at the top.
Step 1
Mount the first ONS 15327 directly below the fuse and alarm panel.
Step 2
Repeat the procedure with the remainder of the ONS 15327s.
Step 3
1.4 Fan-Tray Assembly Installation
Facing the front of the ONS 15327, the fan-tray assembly is located on the right-hand side. The fan tray
is a removable drawer that holds fans and fan-control circuitry for the ONS 15327. After you install the
fan tray, you should not need to remove it unless a fan failure occurs or you need to replace, inspect or
clean the fan-tray air filter.
The fan-tray assembly has an air filter on the right side of the fan tray that you can install and remove
by hand. Remove and visually inspect this filter every 30 days. For inspection procedures, refer to the
"Air Filter Inspection and Replacement" section on page
you are replacing the air filter, you must first move aside the cables that cross in front of it. You must
install the air filter with its metal bracing against the fan tray.
Figure 1-4
Do not force the fan-tray assembly into place while installing it. Forcing the fan-tray assembly into place
Caution
can damage the connectors on the fan tray and/or the connectors on the back panel of the shelf assembly.
Procedure: Install the Fan-Tray Assembly
If cables are installed, move them away from the fan tray slot.
Step 1
Cisco ONS 15327 User Documentation, R3.3
1-8
Removing or replacing the fan-tray air filter
FA IL
AC T
SF
4
FA IL
AC T
SF
3
1
2
3
4
FA IL
Rx 1
AC T Rx 2
Rx 3
SF
2
1
2
3
4
BI TS
FA IL
AC T
Tx 1
Tx 2
SF
Tx 3
1
BI TS
12-2. Spare filters should be kept in stock. If
LA N
CR AF T
AC O
FA IL
DS 3 SF
LA MP
AC T/S TB
CR IT
Y
TE ST DS 1 SF
SY NC
MA J
PW R A
AC O
MI N
FAN
PW R B
STA TU S
RE M
C IS C O O
N S 15 32 7
LA N
OP TIC AL
CR AF T NE TW OR
AC O KIN G SYS
FA IL
DS 3 SF
LA MP
AC T/S TB CR IT
Y
TE ST DS 1 SF
SY NC
MA J
PW R A
AC O
MI N
PW R B
RE M
-4 8V RE T
AL AR M
DS 1 (1 5- 28
)
PW R B
-4 8V RE T
AL AR M
DS 1 (1 5- 28
)
PW R B
Chapter 1 Hardware Installation
TE M
June 2002