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N8140-820 Rack Mount Tray
Setup Guide
Be sure to read this document before using the product and observe the precautions.
Please store this document so that it is readily available if needed.
Be sure to include this document if transferring or selling this product to a third party.
Safety Precautions
The symbols used in this document are defined below.
General prohibition for unspecified items.
General caution/warning for unspecified items.
Instructions for general users for unspecified items.
Be sure to operate this product in line with the instructions.
Be sure to read and understand these precautions in order to use this product safely.
When installing this product in a rack, be sure to read the rack user's guide before installation.
Ignoring these precautions when handling this product can lead to malfunctions of the main
unit, injuries, fire, and damage to peripheral equipment.
Be sure not to smash or jam fingers when installing/uninstalling this product
on/from a rack.
After removing this product from its packaging, do not place it where it will be
exposed to large amounts of dust, water or other liquids.
Make sure that the rack is securely installed before attaching any optional
products to it, such as exterior equipment. Doing so can cause damage to the
product, cause the rack to fall over or other accidents.
When conducting work at the top of the rack, be sure to use a stepladder, etc.,
to ensure safety.
When installing or uninstalling exterior equipment, be sure to work in teams of
two or more people. Ignoring this can lead to injuries and damage to the
product.
We recommend asking a maintenance and after-service company to install/uninstall this product
on/from a rack.
Installation
When installing this product in a rack, be sure to also read the rack user's guide before installation.
For installing this product, the front and rear mount angles are required to comply with EIA and cage
nut type. Furthermore, the distance between mount angles is required more than 600 mm.
Handling Devices
Maximum load capacity of this product is 100 kg. Over weight
could cause the equipment to fall off and the rack to tip.
It is very dangerous to carry heavy load. In such case, wear
suitable protective equipment. Otherwise, It could cause injury.
Falling-off Caution
Do not mount and apply pressure to the base plate with slits.
Doing so could cause the device to fall off.
Don not put the larger things than the outline of the base plate.
Doing so could cause the device to fall off and damage it.
When mounting the device, secure it with restraint straps and
CAUTION
holes for earthquake-proofing. Doing so could cause the device to
fall off and the rack to tip.
Installation Caution
When installing this product, tighten the screws securely. If tightening
is insufficient, the device could fall off and be damaged. Be careful not
to over‐tighten though, as this could break them. The standard
tightening torque for M5 screws is 3.43N·m [35kgf·cm] (±10%).
90°
1. Installation of L Type Rails
Adjust the length of L type rails and hook them on front and rear square holes of mount angles.
The position of the holes used is upper hole of mounting position (on 1U height). (Fig.1, 2)
Make sure that the number of mounting position is the same in number with front and rear,
right and left.
Use holes of mount angles and secure the rails to the mount angles with provided M5 screws.
The position of the holes used is lower hole of mounting position (on 1U height). (Fig.1, 2)
2. Installation of Base Plate with Slits
Insert the hook of the base plate into the rear rectangle holes of the L type rails. (Fig.3)
Position adjusting by inserting the projection of the base plate into the front rectangle holes of
the L type rails. (Fig.3)
Insert the provided fastener into the hole on the front face of the base plate and turn it 90
degrees clockwise for installation by flathead screwdriver, etc. (Fig.4)
CAUTION
Do not turn the fastener more than
90 for installation degrees. Doing so
could cause to damage it.
Fastener
Preface
This product is a dedicated rack mount tray for the 25U, 37U and 42U racks
(N8140-500/501/502/503[F]/504/505[F]/506/510[F]). This product can be used as a mounting
tray to put anything.
Components
The box includes the following items. Check the component checklist to make sure that all
components are included. Contact your retailer if there are any missing or damaged articles.
No.
Description
1
Mount tray
2
Component checklist
3
Setup guide
Component checklist
Specification
Description
Material Thickness
Base plate
Steel
t1.6
L type rail (R/L)
Steel
t2.3
M5 Screw
-
-
Fastener
POM
-
Dimension [mm]
Model
W
H
D
N8140-820
450
18.5
600
Installable
25U/37U/42U racks（N8140-500/501/502/503[F]/504/505[F]/506/510[F]）
Required Tools
Phillips screwdriver #2, Flathead screwdriver #6
Maintenance
Vibrations can cause screws, bolts and other fasteners to loosen. Inspect these fasteners every
six months to make sure that they are not loose.
Disposal
Be sure to follow your local disposal regulations when disposing of this product. Ask your local
government for details.
- 3 -
Mount angle (front)
M5 Screws
Front
L type rails
Hook
M5 Screws
Mount angle (rear)
Fig.1
Hook
Base plate with slits
Projection
L type rail
Rectangle hole (front)
Fig.3
Removing Base Plate with Slits
When removing the base plate, turn the
fastener 90 degrees counterclockwise to
unlock. (Fig.5)
After pull the fastener forward, remove the
base plate. (Fig.5)
Do not pull out the fastener fully.
- 4 -
Qty
Remarks
1
With screws for mounting to the rack.
1
Refer to this checklist for the parts.
1
This document.
D
H
Fasteners
Setup guide
D1
Qty
1
L1/R1
L type rail (L)
4
Mount tray
2
Adjustable depth of the rails
Maximum load capacity
D1[mm]
592 - 762
N8140-820 汎用トレイ/Rack Mount Tray
856-129341-820- A Rev.2
Printing
24U
23U
Square holes for hooks
22U
Hook
Mounting position (1U)
21U
20U
Square holes for screws
Rear
19U
Fig.2
Rectangle hole (rear)
Base plate with slits
90°
Fastener
Fastener
Fig.4
Base Plate with slits
Fig.5
90°
Fastenerー
Fastener
N8140-820 汎用トレイ/Rack Mount Tray
856-129341-820- A Rev.2
W
Base plate
with slits
Hole for
restraint straps
L type rail (R)
[kg]
100
24U
23U
22U
21U
20U
19U
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