SWITCHING SHELF DC EMC This shelf is required for each 3600 Multi Shelf System and accomodates up to eight Switching Cards (90-0640-XX). Two shelves are required if the 3600 Multi Shelf System is configured for redundant switching operation. Consists of a

SWITCHING SHELF DC EMC This shelf is required for each 3600 Multi Shelf System and accomodates up to eight Switching Cards (90-0640-XX). Two shelves are required if the 3600 Multi Shelf System is configured for redundant switching operation. Consists of a cardfile and backplane. To be used only with the DC Power supply and tray (-48/60V)(90-9524-02/90-3669-03). Meets Class B EMC and Bellcore TR-1089 requirements when configured appropriately.