Installing A Dbm; Reinstalling The Nam - Paradyne FrameSaver Installation Instructions Manual

Isdn dial backup module (dbm)
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Installing a DBM

Refer to the illustration on page 5 when following this procedure.
1. Remove the DBM, standoff posts, screws and washers from the shipping box.
2. Position a standoff post at one of the holes in the NAM, put a screw through a
washer, insert the screw from the underside of the NAM, and tighten the screw to
hold the standoff post in place.
— For a BRI DBM, there are two holes in the NAM and two sets of screws,
washers, and standoff posts.
— For a PRI DBM, there are three holes in the NAM and three sets of screws,
washers, and standoff posts.
3. Install the other standoff post(s) in the same way.
4. Hold the DBM, pin side down, so the two sets of pins are aligned with their
respective connectors. Carefully match the pins to the holes of the two connectors.
5. Press the pins and connectors together until both pin sets are firmly seated.
Be careful not to force or bend any pins.
6. Insert the remaining screws and washers into the standoff post holes on the DBM,
and tighten.

Reinstalling the NAM

Select the appropriate procedure for reinstalling the NAM in its housing.
Reinstalling the NAM in a 1-Slot Housing
Refer to the illustrations on page 3, if necessary.
1. Reinstall the NAM in its housing, snapping the cover and base together at each of
the four connecting tab points.
2. Reconnect the cables.
Reinstalling the NAM in a Multislot Housing
Refer to the illustration on page 4, if necessary.
1. Align the NAM with the upper and lower tracks of the slot.
2. Slide forward until the NAM seats. Be careful not to force or bend any pins.
3. Close both the upper and lower ejector latches on the carrier to lock in place, then
tighten the captive screws.
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