Page 1
Duct System for a Server or Switch Cabinet
Mounted Cisco 4900M (CNLTD21B2)
© Panduit Corp. 2012
INSTALLATION INSTRUCTIONS
Rear of Cabinet
(Hot Aisle)
4900M Duct
(Installed in
Net-Access
Cabinet.)
CM517A
Rear of Cabinet
(Hot Aisle)
Front of Cabinet
(Cold Aisle)
Switch Cabinet
Application
Ducting
Component Guide
Left Hand Bracket
Front of Cabinet
(Cold Aisle)
Server Cabinet
Application
Server Adjustment Brackets
Duct Box
Right Hand Bracket
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Page 1 of 9
Switch Adjustment Brackets
Page 2
© Panduit Corp. 2012
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INSTALLATION INSTRUCTIONS
TableofContents4900MDucting
Section1SERVERAPPLICATION Page
DetermineLocationof4900MDuct……………………………………………...………………..…………………………………
CageNutInstallation…………………………………………………………………………………………………………………………… 2
LeftandRightHandBracketInstallation……………………………………………...………………..……………………………
DuctingInstallation……………………………………………………………………………………………………………………………… 4
DuctBoxInstallation…………………………..………………………………………………………………………………………………
Section2SWITCHAPPLICATION Page
DetermineLocationof4900MDuct……………………………………………………………………………………………………
LeftandRightHandBracketInstallation……………………...……………………………………………………………………… 7
DuctingInstallation…………………………..…………………………………………………………………………………………………
DuctBoxInstallation……………………………………………………………………………………………………………………………
CM517A
1
3
5
6
8
9
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Page 2 of 9
Page 3
© Panduit Corp. 2012
INSTALLATION INSTRUCTIONS
CM517A
SECTION 1 - Server Cabinet Application - Ports Facing Hot Aisle
(Cabinet Part Numbers CS*** or S***)
Determine Location of 4900M Duct
Ducting requires (2) rack spaces for installation. Duct components are to be installed prior to switch installation and are designed not to
support the switch.
NOTE: Front-to-back equipment rail depth must be set to between 28.0” and 29.0”.
Left Hand Bracket
Front of Cabinet
(Cold Aisle)
Intended Mounting
Locations (2 rack spaces)
Right Hand Bracket
Duct box
Rear of Cabinet
(Hot Aisle)
Intended Mounting
Locations (2 rack spaces)
Note: Duct must be
installed below or
above Middle Front to
Back Beam.
Install Cage Nuts
Insert (2) cage nuts per equipment rail at 4900M component mounting locations (8 total cage nuts are to be installed). (1) grounding cage
nut (green)
must be installed in each equipment rail. The view below depicts cage nut locations for (1) intended mounting location.
Intended
Mounting
Location
(2 rack spaces)
Cage Nuts
(installed)
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Page 3 of 9
Page 4
© Panduit Corp. 2012
INSTALLATION INSTRUCTIONS
CM517A
Left Hand Bracket Installation
Loosen the two nuts for the server adjustment bracket and adjust the bracket to match the distance between the front and rear rails of the Server Cabinet.
Align the Left Hand Bracket with the desired rack space, fasten the bracket using (2) #12-24 screws in the front rail and (2) in the rear rail. Tighten nuts on
adjustment bracket to lock in place.
-Repeat previous steps for Right Hand Bracket.
Rear of Cabinet
(Hot Aisle)
#12-24 screw (2)
#12-24 screw (2)
Server Adjustment Brackets
Left Hand Bracket
Right hand bracket
#12-24 screw (2)
Front of Cabinet
(Cold Aisle)
Front of Cabinet
(Cold Aisle)
Rear of Cabinet
(Hot Aisle)
Server Adjustment Brackets
#12-24 screw (2)
Note: Green Grounding
Screw must go in Green
Grounding Cage Nut.
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Page 4 of 9
Page 5
© Panduit Corp. 2012
INSTALLATION INSTRUCTIONS
CM517A
Ducting Installation
Install (1) Ducting Assembly to Left Hand Bracket using (3) #10-32 nuts. Align Duct with pem studs in Left Hand bracket and secure with (3) #10-32 nuts.
Left Hand Bracket
Front of cabinet
(Cold Aisle)
(3) #10-32 Nuts
Rear of cabinet
(Hot Aisle)
Ducting Assembly
Duct Box Installation
Insert Duct Box into Left Hand Bracket and Right Hand Bracket by sliding duct box along the lower flange. Push in until stop is reached, secure box with
(2) #12-24 screws, and (2) #12 star washers.
Rear of cabinet
(Hot Aisle)
Front of cabinet
(Cold Aisle)
(2) #12-24 Screws
and
(2) #12 Star Washers
Duct Box
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Page 5 of 9
Page 6
© Panduit Corp. 2012
INSTALLATION INSTRUCTIONS
CM517A
SECTION 2 - Switch Cabinet Application - Ports Facing Cold Aisle
(Cabinet Part Numbers N*** or CN***)
Determine Location of Duct
Ducting requires (2) rack spaces for installation. 4900M Duct components are to be installed prior to switch installation and are designed
not to support the switch.
NOTE: Front-to-back equipment rail depth must be set to between 24.5” and 26.0”
Front of Cabinet
(Cold Aisle)
Left Hand Bracket
Rear of Cabinet
(Hot Aisle)
Intended Mounting
Locations (2 rack spaces)
Duct box
Intended Mounting
Locations (2 rack spaces)
Right Hand Bracket
Note: Duct must be
installed below or
above Middle Front to
Back Beam.
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Page 6 of 9
Page 7
© Panduit Corp. 2012
INSTALLATION INSTRUCTIONS
CM517A
Left Hand Bracket Installation
Loosen the two nuts for the switch adjustment bracket and adjust the bracket to match the distance between the front and rear rails of the Switch Cabinet.
Align the Left Hand Bracket with the desired rack space, fasten the bracket using (2) #12-24 screws in the front rail and (2) #12-24 screws in the rear rail.
Tighten nuts on adjustment bracket to lock in place.
-Repeat previous steps for Right Hand Bracket.
Rear of Cabinet
(Hot Aisle)
#12-24 screw (2)
Switch Adjustment Brackets
Left Hand Bracket
Right hand bracket
#12-24 screw (2)
Front of Cabinet
(Cold Aisle)
#12-24 screw (2)
Front of Cabinet
(Cold Aisle)
#12-24 screw (2)
Rear of Cabinet
(Hot Aisle)
Switch Adjustment Brackets
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Page 7 of 9
Page 8
© Panduit Corp. 2012
INSTALLATION INSTRUCTIONS
CM517A
Ducting Installation
Install (1) Ducting Assembly to Right Hand Bracket using (3) #10-32 nuts. Align Duct with pem studs in Right Hand bracket and secure with (3) #10-32
nuts.
Right Hand Bracket
(3) #10-32 Nuts
Rear of cabinet
(Hot Aisle)
Front of cabinet
(Cold Aisle)
Ducting Assembly
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Page 8 of 9
Page 9
© Panduit Corp. 2012
INSTALLATION INSTRUCTIONS
CM517A
Duct Box Installation
Insert Duct Box into Left Hand Bracket and Right Hand Bracket by sliding duct box along the lower flange. Push in until stop is reached, secure box with
(2) #12-24 screws, and (2) #12 star washer. Once duct box is installed, remove the Panduit label and rotate it 180 degrees then re-apply the label.
Front of cabinet
(Cold Aisle)
(2) #12-24 Screws
and
(2) #12 Star Washers
Rear of cabinet
(Hot Aisle)
Duct Box
Note: Orientation of
Duct Box
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