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Provisioning guidelines 

Calculate 

Once the quantity of trunks required has been estimated, enter the quantities
on Worksheet A (in Step 1) for the cutover, 

 and 

 interval. This

calculation must be performed for each trunk group to be equipped. The

total trunk 

 is the sum of each individual trunk group 

 This

value is also entered on Worksheet A. (See Worksheet A at the end of this
document.)

The line load is calculated by multiplying the total number of 

 and

SL-1 line Terminal Numbers (TN) by the line 

The number of TN is

determined as follows:

. .

one TN for every Directory Number 

 assigned to one or more 500

or 

 set

one TN for every SL-1 set.

one Tn for every digital set 

 or 

 without data option.

two 

 for every 

 or 

 set with data option.

The trunk load is calculated by multiplying the total number of digital sets,

500, and SL-1 line TN having access to the trunk route by the 

 per

trunk route.

The console load is determined by multiplying the number of consoles by
30 CCS per console.

System engineering 553-3001-l 51