Installing the Model 3551 DSU

Installing the DSU

The initial installation procedure for the Model 3551 DSU requires the installation of a rear connector plate onto the rear of the COMSPHERE 3000 Series Carrier (Figure 3-2). After the initial installation, the DSU can be installed or de-installed by simply removing the DSU from the carrier.

.Procedure

1.At the rear of the carrier, set the tab on the rear connector plate into one of the slotted grooves on the carrier's backplane. Loosely fasten the screws. Make sure the rear connector plate uses the same slot position intended for the DSU.

2.Loosely fasten the screw attached to the rear connector plate, allowing for slight adjustment that may be needed when installing the DSU.

3.Change any default hardware strap settings that may be required before installing the DSU.

Figure 3-2. COMSPHERE 3000 Series Carrier, Rear View

3550-A2-GB20-20

December 1996

3-5

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Paradyne 3551 manual Comsphere 3000 Series Carrier, Rear View