363-206-285
Shelf Descriptions and Configurations
Issue 3 June 2001
3-5
* Required in Group 1 and Group 3 shelves serving as DDM-2000 FiberReach host with
27-type OLIUs. Required in Slot 8(P) of the low-speed group associated with the
function unit(s) housing 27G-U OLIUs. Required in low-speed slots 4 and 8 associated
with function units(s) housing 27G2-U OLIUs.
† Required for enhanced DS3 performance monitoring. Replaces BBG4.
‡ Used in DDM-2000 FiberReach host shelves.
§ Requires Group 4 shelf.
% For supplying -48V to low-speed slots equipped with BBF9/BBF10 or BBF6 circuit
packs. Furthermore, BBF9/BBF10 packs can be used with BBG2 (regular MXRVO).
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