F4-XPM09090-0U Qty: -+ SKU: F4XPM090900U Log in to see price Quantity discounts available Add to Cart Call for Availability - (510) 636-7900 DetailsDetails18-point Input/Output Expansion Module, UL 864 Smoke Control. Includes: MS/TP communication; 18 points (7 UI, 2 BI, 4 CO, 2 AO, 3 BO); 24VAC input