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3-22 Provisioning guidelines
Step
9:
Calculate number of PE cards required
Enter the number of Digitone receivers required (from Worksheet B) at the
cutover, 2-year, and 5-year interval on Worksheet D. Use a separate
worksheet for the cutover, 2-year, and 5-year intervals.
Using the information on Worksheet A, enter the number of M2xxx TNs,
M3xxx TNs, NE-500/2500 TN, SL-1 TN, and trunk TN required at the
cutover, 2-year, and 5-year interval (for all customers).
Divide each entry by the number of terminal number assignments per card,
round up to the next highest figure, and total the number of cards required.
Calculate the number of new cards and old cards separately.
Note:
Worksheets are provided at the end of this document.
Step
10:
Calculate number of PE
UEMs
required
The number of PE UEMs provided at cutover is based on the 2-year
estimate of PE cards required and an 85% utilization level. The maximum
capacity of an Intelligent Peripheral Equipment (IPE) Module is 256
Integrated Voice and Data (IVD) or analog lines; however, a typical
configuration should include a combination of line, trunk, and
digitone
receivers which provides up to 160 lines with appropriate trunks.
Divide the number of PE cards required at 2-years by 8.5, round to the next
higher figure, and enter this value on Worksheet D (at the end of this
document).
To compute the number of Peripheral Equipment (PE) UEMs, total the
number of line cards, trunk cards, and Digitone receiver cards required at 2
years by 13.6 and round to the next higher integer figure. Enter this value
into Worksheet D (located at the end of this document).
Calculate the number of IPE UBMs and PE UEMs required.
System engineering
553-3001-151
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