Smart 16-16e Shelf, Smart 16e Shelf Single DC 2nd Gen (2nd Generation 16 Position Central Site Shelf Solution, Single source DC Power with SNMP Controller Card and single DC supply. Requires one -48 VDC power input.)
T400 23 Shelf (Holds up to 14 T400 Circuit Packs. This unit can be locally powered or span powered devices may be used. Compatible technologies include T1, FT1, ISDN, DDS, HDSL and HDSL-2.)
T400 Shelf Accessories, Harmonica Block (Six RJ45 connectors to male 50-pin amphenol connector for use with 3353004 cable on T400 shelves. RJ45 connectors are pinned out for S-T - 4 wire interface connections when used with 3353004)