183
Patch Cord/Jumper Installation and Administration
October 2002
Mount 110A- or 110P-type terminal blocks on the
wall
The 110A-type terminal blocks can be stacked in almost any arrangement at any height or
location on the wall. One arrangement is shown in ‘‘110A-Type Terminal Blocks (300-Pair)’’
on page 184. The distance between the mounting screw holes on the terminal blocks is 10.8 in.
(27.4 cm). If a vertical patch cord trough is used, the distance between the mounting screw
holes is 5.31 in. (13.3 cm).
With 110P-type terminal blocks, the first block of the trunk/auxiliary field is aligned with the
left side of the media gateway. See ‘‘110P-Type Terminal Blocks (900-Pair)’’ on page 185
. This
arrangement allows for growth on the right side of the MDF.
1 Route the cables from the rear of the media gateway stack to the MDF via the ‘‘Cable
Slack Manager’’ on page 159. See ‘‘Install Cable Slack Managers’’ on page 187.
2 If you are installing 300-pair terminal blocks, draw a level horizontal line on the wall
47.5 in. (1.2 m) above the floor. See ‘‘110A-Type Terminal Blocks (300-Pair)’’ on page
184.
If you are installing 900-pair terminal blocks, draw a level horizontal line on the wall 23
in. (58.4 cm) above the floor. See ‘‘110P-Type Terminal Blocks (900-Pair)’’ on page
185.
3 To mount the first trunk/auxiliary field terminal block, partially install 2 3/4-in. #12
wood screws, 7-11/16 in. (19.5 cm) apart on the left side of the horizontal line on the
wall.
4 Slide the bottom terminal block ft onto the mounting screws and mark the upper
mounting screw locations.
5 Remove the terminal block and partially install the upper mounting screws.
6 Place the terminal block on the mounting screws and tighten the screws.
7 If installing a vertical patch cord trough, partially install the first screw for the patch cord
trough, on the line, 7/8-in. (2.2 cm) to the right of the previous screw. Partially install the
second mounting screw 5.31 in. (13.5 cm) to the right of the screw just installed. Repeat
Steps 4, 5, and 6.
8 If another trunk/auxiliary field terminal block is to be installed, partially install the first
screw for the terminal block, on the line, 7/8-in. (2.2 cm) to the right of the previous
screw. Partially install the second mounting screw 7-11/16 in. (19.5 cm) to the right of
the screw just installed. Repeat Steps 4, 5, and 6.
9 If a horizontal patch cord trough is to be installed, install it, on the line, between the
trunk/auxiliary field and the distribution field.
10 To install the first distribution field terminal block, partially install 2 3/4-in., #12 wood
screws, 7-11/16 in. (19.5 cm) apart on the line, to the right of the vertical patch cord
trough. Repeat Steps 4, 5, and 6.
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