Meridian America 21 Manual De Usuario
Provisioning guidelines 3-5
Step 2:
Estimate
per terminal
. . . . . .
CCS per terminal
The station and trunk CCS per terminal
for an initial installation of
an SL- 1 can be estimated using any one of the following methods.
Comparative method
Manual calculation
Default method
Comparative method
Three existing systems are selected which have an historical record of
traffic study data. The criteria for choosing comparative systems
follows:
follows:
similar line size
25%)
similar business (bank, hospital, insurance, manufacturing, etc.)
similar locality (urban or rural)
---
Once the similar customers have been selected, their station, trunk, and intra
are averaged. These average figures are then applied to calculate
trunk requirements for the SL- 1 being provisioned. Table
1 gives an
example.
System engineering 553-3001-151