NEC SL1100 1100022 BE110256 4-PORT LOOP-START CO LINE CARDSL1100 4Port LoopStart CO Line Daughter CardIncludes power failure transfer circuit for one lineEquipped with 2 8conductor interface jacksCan only be installed on 084M, 080E, 008E, or 000E cardsMaximum of 1 per 084M, 080E, 008E, or 000EMaximum of 3 can be added to each KSUMaximum of 12 per system