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Installing the T320 Mounting Hardware for a Four-Post Rack or Cabinet

 

To prepare to install the T320 router into a four-post rack or cabinet:

  • Install cage nuts, if needed.

  • Install the large mounting shelf and spacer bars on the front rail.

  • Install the small mounting shelf on the rear rail.

  • Remove the center-mounting brackets from the chassis.

To install the mounting shelves and spacer bars:

  1. Install cage nuts, if needed, in the mounting holes specified in Table 1:

    • On the front rack rails, install cage nuts in the holes specified for the large shelf and the spacer bars.

    • On the rear rack rails, install cage nuts in the holes specified for the small shelf.

  2. On the front of each front rack rail, partially insert a mounting screw into the lowest hole specified in Table 1 for the large shelf and the spacer bars.
  3. Install the large shelf on the front rack rails. Rest the bottom slot of each flange on a mounting screw.
  4. Tighten all the screws completely.
  5. The router is shipped with each spacer bar attached to the rear of each front-mounting flange. Remove each spacer bar by removing the screws that fasten the spacer bar to the front-mounting flange.
  6. Place one of the spacer bars over a flange of the installed large shelf. Position the notch in the rear of the spacer bar so the upper part of the bar is flush with the rack rail and the lower part is flush with the flange of the shelf (see Figure 1).
  7. Insert a mounting screw into each of the nonthreaded holes in the recesses of the spacer bar to secure the spacer bar. Each hole should have a cage nut behind it.
  8. Repeat Steps 6 and 7 for the other spacer bar.
  9. Tighten all the screws completely.
  10. On the back of each rear rack rail, partially insert a mounting screw into the lowest hole specified in Table 1 for the small shelf.
  11. Install the small shelf on the back rack rails. Rest the bottom slot of each flange on a mounting screw. The small shelf installs on the back of the rear rails, extending toward the center of the rack. The bottom of the small shelf on the rear rack rails must align with the bottom of the large shelf on the front rack rails.
  12. Partially insert screws into the open holes in the ears of the small shelf.
  13. Tighten all the screws completely.
  14. Remove the mounting brackets from the chassis by loosening the screws at the top and bottom of each bracket.
Figure 1: Positioning the Spacer Bar on the Rack
Positioning the Spacer
Bar on the Rack
Figure 2: Installing the Mounting Hardware for a Four-Post Rack or Cabinet
Installing the
Mounting Hardware for a Four-Post Rack or Cabinet

Table 1 specifies the holes in which you insert mounting screws (an X indicates a mounting hole location), and cage nuts if needed. The hole distances are relative to one of the standard U divisions on the rack. The bottom of all mounting shelves is at 0.0015 in. (0.01 U) above a U division.

Table 1: T320 Four-Post or Cabinet Rack Mounting Hole Locations

Hole

Distance Above U Division

Large Shelf

Spacer Bars

Small Shelf

42

24.26 in. (61.6 cm)

13.86 U

X

33

19.01 in. (48.3 cm)

10.86 U

X

24

13.76 in. (34.9 cm)

7.86 U

X

15

8.51 in. (21.6 cm)

4.86 U

X

X

12

6.76 in. ( 17.1 cm)

3.86 U

X

9

5.01 in. ( 12.7 cm)

4.86 U

X

6

3.26 in. (8.3 cm)

1.86 U

X

X

3

1.51 in. (3.8 cm)

0.86 U

X

2

0.88 in. (2.2 cm)

0.50 U

X