A point-of-sale system, or POS, is used for recording retail sales transactions by entering the transaction into a computer software program that tracks sales, inventory quantities and pricing information. Wiring a POS involves setting up a POS terminal computer at each checkout counter, setting up a server computer, connecting all computers to the local area network, or LAN, and plugging all peripheral devices into each computer. Once the computers are connected to a network, the POS program will synchronize all data and record all transactions from each checkout counter. Tips Writer Bio
