NEC NEAX2400 IPX Programming Manual page 404

Feature programming manual

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Table of Contents

Programming (cont'd)

Bit 0 through bit 7 may be used when 8-digit FORCED ACCOUNT CODES are assigned in the AATC

SYS1, INDEX 12

System Data 1, Index 13. Each bit in Index 13 directly correlates to a digit in the FORCED

ACCOUNT CODE assigned in AATC, and will determine the second digit of the Check Sum method.

Again pick any bits, 0 to 4, but not the same combination of bits as picked in Index 12.

SYS1, INDEX 13

System Data 1, Index 14. Determines the algorithm used to calculate the last two digits of every

FORCED ACCOUNT CODE. Only decimal numbers may be used in this index; hexadecimal values

A to F may not be assigned.

System Data 1, Index 14 = XY. X and Y represent any arbitrarily chosen decimal digit 1-9; Y is used

determine the first digit in the Check Sum method and X is used to determine the second digit in the

Check Sum method. The following data, 37H; has been used for the example calculation:

SYS1, INDEX 14

If only one digit is to be added via the Check Sum method, Index 13 data will be 00H and Index 14, digit X

(bits 4-7) = 0.

EXAMPLE CALCULATION

In AATC, 26428 has been assigned.

In System Data 1, Index 12, bits 0 and 3 were chosen; 26428

The decimal value of bits 0-3 of Index 14 = 7.

4 + N = 7. N = 3.

7 is obtained as any whole number greater than 4 that ends with a 7, the decimal value as determined in

Index 14, bits 0 to 3.

In AATC, 26428 has been assigned.

In Index 13, bits 4 and 1 were chosen; 26428

The decimal value of bits 4-7 of Index 14 is 3.

14 + N = 23. N = 9.

23 is obtained as any whole number greater than 14 that ends with a 3, the decimal value determined in

Index 14, bits 4 to 7.

The FORCED ACCOUNT CODE will be 26428-39.

NEAX2400 IPX Feature Programming Manual

NDA-24297, Issue 1

Forced Account Code