Dlp-G7 Mount Multiple Shelf Assemblies In A Rack - Cisco ONS 15454 ETSI Manual

NTP- G7 Mount Multiple Shelf Assemblies in a Rack
When the shelf assembly is secured to the rack, install the remaining mounting screws.
Step 7
Note
Use the hex tool to remove the temporary set screws.
Step 8
Return to your originating procedure (NTP).
Step 9

DLP-G7 Mount Multiple Shelf Assemblies in a Rack

Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
A standard ETSI rack can hold three ONS 15454 ETSI shelf assemblies and two air ramps. When
Note
mounting a shelf assembly in a partially filled rack, load the rack from the bottom to the top with the
heaviest component at the bottom of the rack. If the rack is provided with stabilizing devices, install the
stabilizers before mounting or servicing the unit in the rack.
Note The ONS 15454 ETSI requires 616.5 mm (24.24 inch) minimum of vertical rack space and 25 mm
(1 inch) below the installed shelf assembly to allow air flow to the fan intake. If a second
ONS 15454 ETSI is installed above a shelf assembly, the air ramp between the shelves provides space
for air flow. When using third-party equipment above the ONS 15454 ETSI, provide a minimum of
25 mm (1 inch) between the third-party unit and the bottom of the ONS 15454 ETSI. The third-party
equipment must not vent heat upward into the ONS 15454 ETSI.
The ONS 15454 ANSI must have one inch (25.4 mm) of airspace below the installed shelf assembly to
Note
allow air flow to the fan intake. If a second ONS 15454 is installed underneath a shelf assembly, the air
ramp on top of the bottom shelf assembly provides the desired space. However, if the ONS 15454 is
Cisco ONS 15454 DWDM Procedure Guide, R8.0
1-16
Use at least one set of the horizontal screw slots on the shelf assembly to prevent slippage.
This task installs multiple shelves in a rack.
Pinned hex key
#2 Phillips Dynamometric screwdriver
ETSI only:
Two M6 x 20 socket set screws (per shelf)
Eight M6 x 20 pan-head Phillips mounting screws (per shelf)
ANSI only:
Two #12-24 x 3/4 set screws (48-1003-XX) (per shelf)
Eight #12-24 x 3/4 pan-head Phillips mounting screws (48-1004-XX,
48-1007-XX) (per shelf)
NTP-G1 Unpack and Inspect the Shelf Assembly, page 1-6
As needed
Onsite
None
Chapter 1 Install the Shelf and Common Control Cards
78-17704-02