Offering a rare Key Pad for 3189 - CB500 & 3151 - CB700 SODA Vending Machines. The Key Pad is part# 4210951-002. The connection ribbon has 15 pin holes. This key pad is brand new. This key pad will not work on the FSI 3160 or 3155 snack / combo machine. That key pad is in another listing. Please power down machine before install! Note: Make sure your key Pad is the same Alpha - Numeric Layout (See Pic) and connection is at Top.