ADTRAN Total Access 3000 - 1.7 Fiber Distribution Frame (FDF) Considerations

Total Access
®
3000/3010 System Manual
6TAPRP401-1E
TOTAL ACCESS 3000/3010
PREP-401
Page 9 of 10
© 2002, ADTRAN, Inc.
1.7 Fiber Distribution Frame (FDF) Considerations
If a Total Access 3000/3010 shelf is to be used in a fiber-based application, then
provisions for connecting the shelf to the FDF or other fiber patch panel must be made.
A single IN/OUT position on the FDF should be reserved for each card in the system
that will support a fiber interface.
1.7.1 Vertical Fiber Routing in the Bay
The Total Access 3000/3010 Heat Baffle is designed to allow fiber routing out either
the front or rear of the shelf in mid-mount configurations and to allow fiber routing out
the rear of the shelf in flush-mount configurations. Provisions should be made to route
fiber safely up the vertical run in the bay itself and to allow the fiber to enter the
overhead fiber routing trays. Vertical fiber routing should be designed to maintain the
minimum bend radius of the fiber and to conform to the fiber routing scheme already
in use in the CO.
1.7.2 Capacity Planning
Capacity planning for vertical routing of fiber should be performed to ensure that the
vertical routing fiber guides are large enough to support all of the fiber patch cords to
be routed to the shelves. The total number of cards in the shelves that use fiber should
be calculated and multiplied by two in order to determine the number of fibers that
need to be supported.
Planning for worst-case growth can be performed by assuming 60/48 fibers per shelf
(two for each MUX module slot plus two for each access module slot). Applications
with fiber counts this high are extremely rare. In most cases the use of a 2-inch by
2-inch vertical fiber guide will provide adequate growth space, allowing around 200
fibers to be routed down into an individual bay.
1.7.3 Followup Procedures
Once the Central Office preparations described in this procedure are complete, you
should be ready to perform the actual installation of the Total Access 3000/3010
shelves as described in NTP-501.