Point of sale terminal network implementation for transmitting data indicative of terminal changes upon switching of open close state of cash drawer

A method for transmitting data in a point of sale network system including a plurality of point sale terminals connected to a system administrator comprising:

• storing a drawer identifier in association with a cash drawer in each terminal;
• storing data indicative of changes related to each terminal stored in association with said cash drawer;
• transmitting a switch in the open/close status of each drawer to said system administrator via a status line in response to said switch in status;
• and
• also transmitting said stored data indicative of changes to said system administrator via said status line in response to said switch in status.

A point of sale network system including a set of checkout line terminals at a retail business connected to a controller for correlating said transaction data received from said terminals, each of said terminals comprising:

• a cash drawer having a fixed association with said terminal, and including a drawer identifier;
• a cash till, including a till identifier of till user removably switchable between cash drawers;
• apparatus for reading said drawer identifier;
• apparatus for reading said till identifier during the engagement of said till with said drawer including:
• an element for reading said till identifier of said user;
• and
• a structure in said till adapted to receive said user identifier element in a position such that the user identifier is read by said apparatus for reading said till identifier during the engagement of said till with drawer;
• apparatus for transmitting said read drawer and till identifiers to said controller;
• a device for sensing the disengagement of said till;
• and
• apparatus for signalling said controller that said till is disengaged from said drawer.