2-4 Definitions

Traffic distribution

-

The traffic distribution in the SL- 1 is

illustrated in

Figure 2-1. This

illustration is valid when considering individual customer or system traffic.

Figure 2-1
Traffic distribution over the SL-1
Loop
traffic
/
Line
traffic
Trunk
iraff ic
7Y
originating
terminating
incoming
outgoing
SL-1 System
homing
terminating
553-3027

Traffic definitions

The following are definitions of traffic terminology used in determining the

provisioning requirements of an SL-1 System:

-

ccs=

Hundred call seconds. The unit in which amounts of telephone traffic

are measured. One call which lasts for one hundred seconds equals one

ccs.

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System engineering 553-3001-151
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