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3300 ICP Hardware User Guide
160 Release 3.3
Install the Digital Service Unit
Overview of the Digital Service Unit Installation
WARNING: Power must not be applied to the equipment at any time during equipment
installation.
To install a DSU Node:
1. Unpack, position, and ground the DSU Node.
2. Check the card layout.
3. Connect the fiber cable to the node.
4. Install the DSU cards.
5. Install the interface assembly on cards.
6. Install the DS1 interface assembly and cabling.
7. Install the CEPT interface assembly and cabling.
8. Power up the DSU.
Once you have completed these steps, you can return to System Installation Overview.
Unpack, Position, and Ground the DSU
To unpack and position the DSU Node:
CAUTION: Do not open or unpack any printed circuit board cartons at this time.
1. Open the DSU node carton.
2. Remove the plastic bag from the top and sides of the cabinet. Lift the DSU node out of
the carton.
3. Check that the node and all attached equipment are undamaged. Repack and return any
damaged equipment.
4. Place the node in its assigned position.
5. Remove the DSU node front panel.
CAUTION: Ensure that you use the Cabinet Stacking Brackets if you want to stack
cabinets on top of each other. Stacking cabinets without these brackets could result in
damage to the equipment or injury.