Unitec POS4000/V2-Wash Select II - Manual (Page 118)

P O S 4 0 0 0
Document Number: POS4007 92
Document Title: POS4000/V2 WSII Operations Manual
Appendix A. Interfacing to an External Point-of-Sale
The POS4000 has the ability to communicate with External Point-of-Sale (EXTPOS) equipment.
This standard feature for Version 2 POS4000s allows: 1) customers to purchase carwash codes
at fuel pumps that have "pay at the pump" capabilities, and 2) cashiers to sell carwash codes via
the cash register. If this feature is not present and you want to acquire it, you should contact your
carwash sales representative to order a software upgrade.
The exact carwash capabilities of each external Point-of-Sale system vary by manufacturer,
petroleum company, geographic location and current software version. You should consult your
Point-of-Sale representative for questions about features of their equipment and how to use it.
Definition of Terms for External POS Connections
Site Controller:
On most Petroleum stores, there is one centralized device, which communicates and controls
the pumps and card readers. In addition, this device may communicate or directly control the
cash registers
Register:
This is the system the cashier uses to ring up petroleum or C-Store sales.
Carwash POS unit:
This is the console used to print up wash tickets and configure the Unitec Equipment. On a
Generic POS4000 system, E-systems, or AutoTec it consists of the POS4000. On an
Enterlink/V2, it consists of the Smart Terminal and the Junction box.
EXT POS Device:
The Unitec Carwash POS connects to this device in order to give it car wash codes when it
requests them. This device depending upon the installation may be either a centralized site
controller or register. Examples when connecting to a Gilbarco G-Site system the site controller
is the EXT POS Device, when connecting to a Wayne Plus their Site controller is the EXT POS
device. When connecting to a Panasonic one of their registers will be connected to and is
designated as the EXT POS Device.
Baud Rate:
Speed of communications rate between Carwash POS Unit and EXT POS. Typical values used
are: 2400, 9600 or 19200.
POS (feature) Offset:
This offset value is applied to the wash request from the EXT POS unit. For Example:
POS Offset value is 1 up
EXT POS unit requests a code for Wash 1 (Key 1 on POS4000)
The Unitec Carwash POS unit will shift the request by 1 in the positive (up) direction. Thus
processing the request as for a Wash 2 (Key 2 on the POS4000)