Traffic

Designer should identify the type of DCO on military

post/base and verify that all trunking will be

through that exchange.

Designer should provide interface information, such

as local DCO and type, and Autovon switch location.

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Provide system capacity as specified in the following table:

System

Equipped

Wired

Capacity

Voice Lines

[_____]

Central Office (CO) Trunks

[_____]

Direct Inward Dial (DID) Trunks

[_____]

Autovon Trunks

[_____]

Federal Telephone System (FTS) Trunks

[_____]

Tie Trunks

[_____]

Provide interconnection of proposed system with existing system when

required. The following are definition of each item:

Voice line: System shall provide separate line and number assignment for

each of the instruments required.

Equipped: System contains sufficient cards to support the specified lines

and trunks in a fully operational basis.

Wired: The only type of equipment required to reach this size is cards on

a plug-in basis. System shall contain sufficient processing power, memory,

shelf space, card slots, and all other equipment necessary to accommodate

this size.

System capacity: System can grow to these sizes by additions in the form

of memory, cabinets, and other circuit boards. Excludes systems which

require additions of a tandem switch where tie trunks are required.

2.4.5

Traffic

Provide system switching matrix, processors, processor memory, and

miscellaneous equipment based upon the following traffic criteria:

2.4.5.1

CCS Quantities

Circuit Type

CCS

Voice Line

8

Attendant Console

34

Trunks

36

2.4.5.2

Traffic Ratio

Determining switch and trunk quantities the following ratios shall be used:

Type of Call

Ratio

Intra-EPABX

35 percent usage

SECTION 16720N

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