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LINIER 3140-Series
Key Features

LINIER 3140-Series, 18U (back view)Numerous cable-access knock-outs.  Strategically placed laser knock-outs provide a plethora of locations to feed copper or fiber optic cabling into the cabinet, from the top, bottom and the cabinet's back.

Adjustable rails. The included set of cage-nut compatible mounting-rails (featuring 'universal' square holes) continuously adjust (up to 8" both in the front and in the back) to accommodate various equipment depths.  Additional mounting-rails are available to support 4-post mounting equipment at various depths.

Heat dissipation.  The cabinet is equipped with vents running both at the top and the bottom of the cabinet's front and two sides.  Up to two (2) optional 78-CFM exhaust fans can be field-installed on the cabinet's top and/or bottom.

Security + easy access. Front door is lockable and removable.  Two side-panels are also lockable and removable.  All locks use the same key.

Removable side panels. Easy-to-remove side panels provide more access for growing or changing cabling schemes, as well as offer the option for increased air flow to prevent equipment from overheating.

Reversible design. Tempered safety front glass door can be removed or reversed to be left or right mounted, to accommodate your particular installation.


Additional Features

  • 250 lbs. weight capacity
  • Supports 2-post- 4-post- and multi-depth-mounting
  • 22½-inch mounting depth
  • Locking front door and side panels
  • EIA compliant
  • Black powder-coated reinforced steel
  • 5 year limited warranty
  • Made in the USA

Technical Specifications

LINIER 3140-Series, 15UExternal Dimensions

Width: 23½"

Depth: 23½"

Height (in.) / Weight (lbs.)

  • 6U: 13⅝ / 36
  • 9U: 18⅞ / 55
  • 12U: 24⅛ / 52
  • 15U: 29⅜ / 64
  • 18U: 34⅝ / 73
  • 21U: 41⅝ / 82


Rack-mount Dimensions

Maximum depth: 22½"

Minimum depth: 6"

Depth adjustability: Continuous 8" in the front; Continuous 8" in the back

Height: 6U (10½"); 9U (15¾"); 12U (21"); 15U (26¼"); 18U (31½"); 22U (38½")



  • Front vents - top and bottom
  • Side vents - top and bottom
  • Up to two (2) optional 78-CFM exhaust fans (top and bottom)


Cable access

  • Top/bottom: Two (2) knock-outs, 2" diameter (towards the back of the rack)
  • Back: Four (4) 2"-diameter knock-outs; One (1) 4½"-diameter knock-outs



  • Four (4) reversible key-holes
  • (At least) Two (2) ¼" diameter holes (depending on rack's height)

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KVM Switch, Server Rack, LAN management cables, KVM Switches, rackmount, computer rack