Section VII. IMPLEMENTATION OF COMMUNICATIONS SERVICES REQUIREMENTS AND INSTATION TESTING

TM 11-5895-1012-10

Section VII. IMPLEMENTATION OF COMMUNICATIONS SERVICES REQUIREMENTS

AND INSTATION TESTING

4-56. Telecommunications Service Or-

wiring layout and the Technical Controller perform-

ders (TSO's)

ing the in-station tests to prevent errors in the circuit

The basic circuit design information for all new or

installation and to ensure that required technical

changed circuits is provided in the DCA Telecommun-

parameters have been met.

ications Service Orders (TSO's). The TSO is the author-

b. Upon completion of the in-station installation,

ization for DCA Headquarters of a DCA area to

the Technical Controller is responsible for ensuring

activate, change, or deactivate circuits or trunks, to

proper alignment of the in-station portion of the cir-

amend previously issued TSO's, and to effect ad-

cuit as well as the adjacent link(s). Continuity and

ministrative changes. The TSO gives the following in-

transmission level adjustments on the in-station

formation:

installation will be performed first. When the in-sta-

a. Issuing office.

tion portion of the circuit is properly installed and ad-

b. The year it is issued.

justed, the input and output levels on all external

c. TSO serial number.

transmission channels assigned to the circuit must he

d. Circuit identification.

adjusted to the proper value. Additional checks as re-

e. The sequential action being taken on the circuit.

quired to ensure proper functioning of conditioning

and signaling equipment will be made. When the

4-57. TCF Responsibilities

internal and external alignment and checks are com-

a. The many variations found in the configurations

plete, an overall recheck of the complete installation

of DCS Station Technical Control Facilities prevent

will be made. In the specific cases where a PTF is lo-

the development of precise procedures for the installa-

cated between the Technical Control Facility and the

tion, alignment, and testing of circuits which would

user, the TCF is responsible for ensuring that the

apply to all types of circuits and to every DCS Station.

transmission levels, signaling and conditioning of the

However, there are certain functional steps in activat-

circuit are properly adjusted between the user and the

ing circuits which are common to all stations. Upon re-

PTF.

c. Each circuit installed in the DCS will be tested in

ceipt of a TSO, the following steps are necessary to

accordance with the criteria specified in the DCS Tech-

install, align, and test the circuit.

(1) Administrative processing and logging of

nical Schedule for the type of circuit in the TSO. Upon

receipt of the TSO.

notification from all intermediate TCF's that in-sta-

tion and adjacent segment tests are complete, the

(2) Preparation of the detailed in-station layout

Tech&al Control Facility designated as Circuit Con-

designating specific cross-connects and specific equip-

trol Office will initiate end-to-end tests of the circuit.

ment to be utilized as required by the TSO.

Each of the specific tests are required to ensure com-

(3) Preparation of work order, or instructions, to

pliance with the DCS circuit technical schedule

section(s) or personnel responsible for performing in-

parameters. Refer to applicable DCA documentation

station wiring.

to determine the DCS Technical Schedule and Circuit

(4) Performance of in-station wiring check by

Parameters for the circuit that has been installed.

Technical Control Facility personnel on in-station cir-

d. The Technical Control Facilities concerned will

cuitry and associated transmission links in conjunction

immediately notify the CCO or the ICO, when, for any

with adjacent TCF's.

reason, delays are encountered or anticipated in

(5) Notification to appropriate control offices that

activation of circuits. The notification will contain de

in-station and adjacent link tests are complete and

tailed information on reasons for delay or inability to

meet required criteria.

activate circuits. Pertinent recommendations on

(6) Performance of circuit alignment tests by TCF

methods of providing service should also be included.

personnel on in-station circuitry and associated trans-

This information may be used by the CCO in prepara-

mission links in conjunction with adjacent TCF.

tion of an exception report.

(7) Participation in end-to-end testing and di-

e. Deactivation of circuits will be accomplished

rected by the appropriate control office.

after coordination with all concerned and records will

(6) Administrative recording and reporting of

be retained in an inactive or "dead" file for 6 months

action required or completed in conjunction with the

before destruction or disposition in accordance with

installation. Managerial procedures for accomplishing

establishedrequirements.

the above functions are left to the discretion of the

f. Completion of activation records and reports is

individual station. However, close coordination is im-

the responsibility of the Technical Controller.

portant between the section preparing the in-station

4-46