Section V.PERFEORMANCE STANDARDS AND TEST MEASUREMENTS

TM 11-5895-1012-10

MANCESTANDARDS AND TEST MEASUREMENTS

Section V.

4-39. General

parameters, unless specifically guaranteed by con-

tract, are provided by the carrier on a "will-strive, non-

This section contains the DCS Technical Schedules,

guaranteed" basis; however, a circuit cannot be re-

which provide circuit performance parameters. Chap-

moved from service because of failure to meet these

ter 6 contains the associated test descriptions for test

other parameters unless the user reports unsatisfac-

measurements of DCS facilities, systems, or circuits.

tory service and a nonguaranteed parameter is causing

In addition this section provides guidance for testing

the unsatisfactory service.

DCS circuits to determine compliance with DCS Tech-

c. Leased circuits terminating in a military Techni-

nical Schedule criteria and to determine circuit signal-

cal Control Facility or Patch and Test. Facility at both

ing performance.

ends will be tested for the parameters in table 4-2 for

Technical Schedules

4-40.

the type of service specified in the TSO. The common

carrier will meet guaranteed parameters and will be

The DCS Technical Schedules are itemized listings of

requested to meet all other parameters. If the common

all the common services and circuit parameters provid-

carrier declines to meet these additional parameters

ed by the DCS. The DCS Technical Schedules apply to

and the user states that the circuit provides acceptable

all government-owned circuits within the DCS with

service, the CCO will accept the circuit and identify all

the exception of voice circuits provided over high fre-

out-of-tolerance parameters in the in-effect report.

quency radio. Table 4-1 describes the type of service

d. Leased circuits terminating in a military TCF or

provided by each circuit performance code. Tables 4-2

PTF at one end and a commercial test facility at the

and 4-3 are a list of performance parameters required

other end will meet the parameters guaranteed by tar-

by each parameter code. Table 4-4 is a list of leased

iff or contract, as applicable. The TCF or PTF will re-

service performance parameters which common car-

quest the carrier to test for all other parameters in

riers generally provide. These tables are samples and

table 4-2 for the type of service specified in the T SO.

current procedural documents should be checked for

The CCO will identify in the ineffect report those pa-

current requirements.

rameters the carrier declines to test.

a Government-owned circuits are required to meet

e. Commercial circuit parameters and identifiers

each parameter for the type of service specified in the

vary throughout the world and it is impractical to at

TSO. Government-owned circuits unable to meet the

tempt to list all of them in this manual. Table 4-3 con-

DCS parameters, even with optimum transmission ad-

tains parameters and identifiers generally recognized

justment, will meet the requirements specified by the

by the U.S. common carriers for conditioned circuits.

DCA.

DCA areas will compile a listing of commercial circuit

b. Leased circuits will meet all parameters guaran-

parameters and identifiers used within their area of re-

contract, as applicable. U.S. common

tly guarantee frequency response and

envelope delay distortion parameters only. All other

Table 4-1. DCS Technical Schedules

4-31