Patch and Test Facilities

TM 11-5895-878-14&P

circuits or trunks; to amend previously issued TSO's,

(1) Coordinating the restoration of assigned circuits

and to effect administrative changes. The TSO gives

to include coordination with the appropriate DOCC

the following information:

element when rerouting of a circuit is necessary to

a. Issuing office.

restore j service.

b. The year it is issued.

(2) Directing the troubleshooting effort when

necessary to clear the trouble of the disrupted segment.

c. TSO serial number.

(3) Reviewing the record of temporary path

d. Circuit identification.

changes on a regular basis and taking action to have the

e. The sequential action being taken on the circuit.

regular path restored.

(4) Keeping the appropriate DOCC and O&M

4-11. Patch and Test Facilities

elements, subscriber, and concerned TCF's advised of

a. In order to effect the very close coordination

the progress of restoration work or of any conditions that

required to activate circuits in the DCS, the P&T may be

may effect service availability.

assigned the responsibility for activating a circuit from

(5) Establishing procedures for handling and

end-to-end (circuit control office (CCO)) or only as an

recording service interruptions.

intermediate DCS station TCF with the responsibility for

(6) Bringing unsatisfactory conditions which

coordinating all action necessary to activate the circuit

are beyond the authority or capabilities of the TCF to the

within the TCF.

attention of the appropriate DOCC and O&M element.

b. The Circuit Control Office (CCO) or Special

d. As an intermediate TCF, the Pentagon P&T is

Circuit Control Office (SCCO) is designated by the DCA

responsible for:

Circuit Engineering office on each TSO.

When

designed as the CCO of a circuit, the TCF has the

(1) Ensuring timely completion of all actions

following responsibilities:

required to activate, change, or deactivate circuits

terminating in or passing through the station.

(1) Scheduling and coordinating activation of

the circuit, out-of-service quality control testing, and all

(2) Restore or reroute disrupted circuits over

other actions of the TSO for the life of the circuit.

available facilities on the basis of the predetermined

National Communications System (NCS) restoration

(2) Ensure that each TCF, PTC, user

priority. The technical control that first becomes aware

terminal, and commercial agency involved is ready to

of the outage is responsible for initiating the restoration

provide the required service 72 hours prior to the

and the follow through actions concerning the

service date.

restoration until service is restored.

(3) Complete overall line-up test, direct

(3) Reporting to the DOCC all information

necessary adjustments, and ascertain that the circuit

required concerning an outage in accordance with

meets the specified technical schedule before

reporting procedures in the appropriate DCA directive.

acceptance.

(4) Review the record of the temporary path

(4) Advise the appropriate DCA Operations

changes on a regular basis, and take the necessary

Control Complex (DC)CC) and Operation and

steps to restore the regular path. Take action to remove

Maintenance (O&M) element of any conditions,

locally authorized circuits promptly and consult with the

incomplete line-ups, or exceptions which might affect

appropriate control concerning action on other patches.

service. This would include such as operating a through

circuit for terminal use only or operating with one-way

(5) Notify the circuit control office when a

transmission capability on a normal two-way circuit.

circuit has been materially altered or routed over a new

path or restored after a prolonged outage (e.g. 72

(5) Prepare and implement out-of-service

hours) in order that the circuit can be retested end-to-

quality control test schedules for routine testing in

end.

harmony with traffic conditions and user requirements.

(6) Respond to the technical supervision of

(6) Record and file the required test

the Facilities Control Office (FCO), SCCO, or

summary.

Intermediate Control Office (ICO) in all matters

(7) Initiate localization and correction of

concerning the fault location, rerouting, and restoration

trouble that is discovered during the quality control tests.

of the circuit.

(8) Test or coordinate testing of any circuit,

(7) Activate on-call and overload circuits in

end-to-end, that has been materially altered or rerouted

accordance with established procedures.

over a new path or restored after an extended outage

(8) Review the facility and equipment

(e.g. 72 hours).

situation periodically and make recommendations for

(9) Ensure that all TCF's on the circuit patch

beneficial changes. This includes any facilities and

are advised to take down patches and cross-connects

equipment that becomes available when service is

when a circuit is discontinued.

discontinued.

(10) Report immediately to the appropriate

(9) Publish and post notices as appropriate to

DOCC element all instances of negative or untimely

technical controllers. These notices will contain the

response from patch and test facilities, TCF's, or

following information:

commercial agencies during circuit activation.

(a) Additions, deletions, or changes in circuitry.

c. In addition to the functional responsibilities of a

CCO, the SCCO is responsible for:

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