When it comes to set up a POS system in your deli, you may need to set up several units. You can do it to maintain the business flow. You can set up one unit to take order. It will help you generate a ticket to offer to your guests. Then, they can pay for the order and other extras from within the store once the order is completed at another unit. Having a cash register is another popular method that is different from the foods ordered. This way, your guests can easily take pick up food from the store. As a POS system, two different cash registers are required for you.