Non-Firmware Memory Features - Ithaca Epic 950 Integration Manual

Programming for the Epic 950
TM
imPort authenticated download link
The firmware can only be accessed through the imPort
The authentication is proprietary to TransAct and controlled by TransAct. This
authentication is included with the TransAct firmware verification tool.
Verification Tool
TransAct will provide, to any regulatory body, a firmware verification tool. This tool has
the ability to compare a firmware file (provided by TransAct) with the actual firmware in
the Epic 950 printer. This tool verifies that the cyclical redundancy check (CRC)
performed on the firmware memory is identical to the firmware file provided by TransAct.

Non-Firmware Memory Features

The non-firmware memory contains such items as graphics and coupon layouts.
The non-firmware memory has the following features:
1. It is verified when transferred to the printer via cyclical redundancy check (CRC).
2. It can only be accessed via an authenticated down load link.
3. A verification tool can be supplied, to run on a PC that provides CRC checking.
Verified when transferred
When non-firmware information is transferred to the printer (i.e. graphics, coupon
layout), the information is verified via a cyclical redundancy check (CRC). The utility that
transfers this information/data to the printer calculates a CRC when the information is
sent to the printer. When the transfer is done, the printer calculates a CRC on the data it
has received. The two CRCs are compared and an error is generated if they are
different. This CRC checking ensures that corrupted graphics or ticket layout
information will not be loaded into the printer.
Authenticated download link
The non-firmware information can only be accessed via an authenticated down load link.
The authentication is proprietary to TransAct and controlled by TransAct. This
authentication is included with the TransAct Download Utility.
Verification tool
TransAct's Download Utility provides CRC verification of the information stored in the
printer's memory. There is a CRC sum of all the non-firmware information stored in the
printer. This CRC can be used to verify the entire non-firmware information stored in the
Epic 950 printer.
95-05245
Epic 950 OEM Integration Manual
TM
and is an authenticated link.
Rev G
Page 71