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Installing the MX2010 Mounting Hardware for a Four-Post Rack or Cabinet

Installing Cage Nuts, If Needed

Insert cage nuts, if needed, into the holes listed in Table 1 and Table 2. The hole distances are relative to the standard U division on the rack that is aligned with the bottom of the mounting shelf.

To install cage nuts in a four-post rack:

  1. On the rear side of both rack rails, insert cage nuts in the holes specified for the four-post mounting shelf. Install the cage nuts in the front of the front rail (see Table 1).
  2. On the front side of both rack rails, insert cage nuts in the holes specified for mounting the chassis. Install the cage nuts in the front of the front rail (see Table 1).
Table 1: Mounting Hole Locations for Installing the Four-Post Mounting Shelf

Hole

Distance Above U Division

6

3.25 in. (8.3 cm)

1.86 U

5

2.63 in. (6.7 cm)

1.5 U

4

2.00 in. (5.1 cm)

1.14 U

3

1.50 in. (3.8 cm)

0.86 U

2

0.88 in. (2.2 cm)

0.50 U

1

0.25 in. (0.6 cm)

0.14 U
Table 2: Mounting Hole Locations for Installing a MX2010 Chassis in a Four-Post Rack or Cabinet

Hole

Distance Above U Division

110

63.88 in. (162.2 cm)

36.50 U

101

58.63 in. (148.9 cm)

33.50 U

92

53.38 in. (135.6 cm)

30.50 U

83

48.13 in. (122.2 cm)

27.50 U

74

42.88 in. (108.9 cm)

24.50 U

65

37.63 in. (95.6 cm)

21.50 U

56

32.38 in. (82.2 cm)

18.50 U

47

27.13 in. (68.9 cm)

15.50 U

38

21.88 in. (55.6 cm)

12.50 U

29

16.63 in. (42.2 cm)

9.50 U

20

11.38 in. (28.9 cm)

6.50 U

11

6.13 in. (15.6 cm)

3.50 U

The holes in the front-mounting flanges are spaced at 3 U (5.25 in. (13.3 cm).

See Also

Installing the Four-Post Mounting Shelf

A mounting shelf is required for installing the router in a four-post rack or cabinet. The shelf is not required for installing the router in an open-frame rack.

To install the four-post mounting shelf (see Figure 1):

  1. Slide the shelf between the rack rails, resting the bottom of the shelf on the rack rail supports. The shelf installs on the front of the rear rails, extending toward the front of the rack.
  2. Partially insert screws into the open holes in the rear flanges of the four-post mounting shelf.
    Note:

    Depending on the type of rack or cabinet you have, cage nuts might be required.

  3. Tighten all the screws completely.
  4. On the front of each front rack rail, partially insert a mounting screw into the holes in each ear of the four-post mounting shelf.
  5. Tighten all the screws completely.
    Figure 1: Installing the Mounting Hardware for a Four-Post Rack or CabinetInstalling the Mounting Hardware for a Four-Post Rack or Cabinet
    Note:

    The two rear flanges on the four-post mounting shelf are adjustable from 24 in. (60.96 cm) through 30 in. (76.2 cm) to accommodate different types of racks rails.

    Note:

    There must be a minimum of 34-U unobstructed front-to-back usable rack space when installing the MX2010 router into a four-post rack or cabinet.

See Also

Removing the Center-Mounting Brackets

The center-mounting brackets are not used for a four-post rack, and must be removed from the chassis.

To remove the center-mounting brackets from the chassis:

  1. Loosen the screws from each bracket (see Figure 2).
  2. Remove each bracket.
    Figure 2: Center-Mounting Bracket RemovalCenter-Mounting Bracket Removal

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