Sharp and SAM4s both make several models of an electronic cash register that comes with integrated credit card processing. Sharp even make two registers that interface with a Hypercom credit card terminal although most interface with a Datacap Twin Tran interface as all the interfacing SAM4s registers require.
Some of the larger Sharp and SAM4s registers can share the Datacap between them while the smaller ones require one TwinTran per register.
When you interface the register and credit card payments you will have a more efficient check out at the register with fewer errors and much less fraud regardless of Sharp or SAM4s we reccomend interfacing every time.
Right now The Cash Register Guys are offering a $200.00 rebate for purchasing a cash register and setting up merchant services with Mercury Payment Systems who will supply a no up front cost Datacap Twin Tran you can call them at 1-800-863-2274