The Optimum T4100 offers 24 megabytes of memory, and is secure and very easy to use.
This unit supports dial and IP/SSL applications simultaneously and is fully secured by RSA encryption. Supports up to 20 separate, unique merchant ID numbers, and up to 99 separate server/cashier numbers, for outstanding flexibility.
Configurable for credit, debit, prepaid, gift card and loyalty card as well as EBT card transactions.
PDA sized back-lit graphical LCD display (touch screen optional)
18-button, ergonomically-designed back-lit keypad
Dual track, bi-directional tracks 1 and 2 magnetic card reader
Internal, built-in PIN Pad Processor Powerful, ultra-fast 32-bit RISC (ARM7) microprocessor
Magnetic stripe: Tracks 1, 2, & 3 (standard)
Contactless payment: Compatible with OTI and Vivotech external readers; standalone unit connected via miniDIN; RS-232 port.