SWITCHING SHELF AC 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 AC 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 AC Power supply and tray (120V) (90-9524-01/90-3669-01/90-3669-02) or the AC Power supply and tray (240V) (90-9524-01/90-3669-01/90-3669-05). Meets Class B EMC and Bellcore TR-1089 requirements when configured appropriately.