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AT&T Private Pay Phone Plus
February, 1988
• When the locking flange on the left side of the panel clears the post, pivot the
flange (left side) away from the post.
• Pull the panel to the left and away from the post.
2. Place Power Cable, Ground Wire, and 2-Conductor Telephone Cord Into Post .
• Use the top (Item 6) or underground entrance on post. Refer to Figures 15 and 16.
3. Attach Post to Surface .
• Place anchors into the floor. Then place mounting bolts through the post base (into
the anchors) to attach the base to the surface. Setscrews (Item 10) are used to
level post while anchoring post into position. Refer to Figure 1 5.
4. Use a spirit level to determine if the _surface where the phone mounts is vertical. Use
the level in the following way:
• Place the level vertically against the phone mounting surface on the post.
• When a vertical reading is obtained, the end of the level opposite the point of
contact should be no farther from the mounting surface than shown in Table 1. You
may need to adjust the leveling screws (Figure 1 5).
5. Mount Enclosure to Post.
• Refer to either the "Mounting Silencer to Sentry II Post Or Sentry II Backboard" or
"Mounting Sentry 22 or 23 to Post or Backboard" descriptions below.
Installing the Sentry II Backboard with Backboard Adapter
To get the best noise protection, orient the backboard in a direction so that the front
opening of the enclosure will not face an excessive noise source. The Sentry II Backboard
Adapter should be used in outdoor locations to keep the power and telephone connections
from being exposed.
To mount the backboard:
1. Make sure the mounting surface for the Sentry II Backboard is vertical. Refer to Table
1.
2. Remove the 2 security screws from the bottom of the backboard. Save these screws.
Discard the backboard bottom plate.
3. Put the 3-inch long spacer screws through the adapter and into the backboard as
shown in Figure 17. These screws allow space for wiring.
4. Route and connect wiring as shown in Figure 17.
5. Hold the backboard against the wall so that the top end is 57 1/4 inches from the
floor.
6. Use a pencil or pen to mark on the surface (through at least 6 holes on the backboard)
where holes are to be drilled for screws.
7. Use Table 2 as a guide for drill sizes and recommended mounting screws. Drill holes
at marked locations.
Owner Manual
Page 42
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