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4929-A2-GN20-00 March 2005 2-1
2
Installation
Preparation
Consider the following before installing the DSLAM:
Installation Site – Your installation site should be well ventilated, clean, and
free of environmental extremes.
Installation Options – The DSLAM may be:
— Mounted with the included mounting brackets in a standard 19-inch
(483 mm) or 23-inch (584 mm) rack (including both Bay Networks and
Nortel 23-inch racks), or, with separately purchased mounting brackets, in
a 21-inch (535 mm) ETSI rack. ETSI brackets are available from
Paradyne. See Appendix B, Equipment List.
As many 4900 Series DSLAMs may be mounted in a standard rack as
there are 1.75-inch (44.45 mm) spaces in the rack, so long as adequate
cooling is provided.
— Mounted on a wall.
— Set on a shelf or desktop.
Up to eight 4900 Series DSLAMs may be stacked on a shelf or desktop.
Different models can be mixed in a stack.
Power – The DSLAM operates from a –48 VDC power supply to allow for
standard power connections available in a CO. For AC voltage environments,
an external AC-to-DC power converter is required.
Cables Required
No cables are provided with the DSLAM. See Table 2-1, Cable Descriptions, to
determine what cables you need to obtain before installation. See Appendix A,
Connectors and Pin Assignments and Appendix B, Equipment List for more
information.