Abstract: A mono-directional data transmission and receiving system between vending equipment and service vehicles is provided so as to allow service personnel the ability to retrieve information about the vending equipment prior to entering facilities and arriving at the equipment's location. The preferred embodiment of the present invention teaches a monitoring module configured to interface with a communications port or existing DEX/UCS port in a vending machine, the monitoring module configured to periodically poll the equipment to receive operational and/or inventory data, and/or cash data, along with an identifier for identifying the particular equipment, is transmitted to a reception area wherein a mobile service vehicle may be situated to receive said data via a receiver unit, which receiver unit is configured to interface with a portable computer so as to transfer said operational and/or inventory data.