American access system ADV-1000 Guía de usuario descargar pdf (Pagina 370)

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370 WIN-PAK User Guide

Formatting ABA (American Banking Association)

Cards

Choose the ABA Format Type radio button if your

system connects to a Magnetic stripe reader. ABA

cards typically include magnetic stripes or barcodes.

ABA cards are formatted using digits. Each digit is

actually a group of five bits. Four of the bits are used

for the number, and the fifth is a parity bit for that

group of bits.

In addition to the bit groups making up the actual

card number, ABA formats contain a preamble made

up of zeros, a hex B used as a start sentinel, and hex

Ds used as field separators.

When ABA is selected as the Format Type, the text

fields used to program custom ABA cards become

active, as shown here:

1 Because the amount of data contained on an

ABA-formatted card can vary, it is necessary to

indicate the Minimum and Maximum number

of digits on card.

2 Enter the start point for the Site code digits, as

well as the number of digits making up the site

code.

1 2 ... 365 366 367 368 369 370 371 372 373 374 375 ... 776 777

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American access system ADV-1000 Guía de usuario Pagina 370

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