Term
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Definition
| A multiplexer combines several channels into a serial data stream (aggregate) that is called a trunk. |
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Term
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Definition
| The entire path the signal has to travel trhough, including all equipment in order to get from the sender at once station to the receiver at the distant end. |
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Term
| What is the the purpose of a CCSD? |
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Definition
| To differentiate one particular circuit from another to eliminate guesswork and confusion. |
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Term
| What are the three types of CCSDs? |
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Definition
- Permanent
- Spare
- Temporary
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Term
| Who assigns Permanent CCSDs? |
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Definition
| DISA (Defense Information Systems Agency) |
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Term
| Which DISAC provides information on how a CCSD is constructed? |
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Definition
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Term
| How many characters does a Permanent CCSD consist of? |
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Definition
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Term
| No two permanent circuits will have the same _________ |
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Definition
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Term
| The 5th through 8th place in a Permanent CCSD identifies what? |
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Definition
| The Individual Circuit (Last 4) |
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Term
| Which CCSD is assigned to a channel that does not carry an active circuit? |
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Definition
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Term
| What are the two sub-categories of a Spare CCSD? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Which CCSD is created when a user requests a service that does not warrant a permanent circuit? |
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Definition
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Term
| Permission from DISA is required if a temporary circuit is needed for more than _____ |
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Definition
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Term
| Which DISAC defines how to construct a temporary CCSD? |
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Definition
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Term
| JT7NPAMM is an example of what type of CCSD? |
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Definition
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Term
| Which CCSD's 5th position is always a 'P'? |
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Definition
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Term
| The "Last Four" on a Temporary CCSD are always _____ |
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Definition
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Term
| The 7th and 8th position of a Temporary CCSD indicate what? |
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Definition
| The precendence (priority) |
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Term
| What are the Precedence Levels of a Temporary CCSD? |
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Definition
| Precedence | Code | Restoration Priority |
| Flash |
FL |
1 |
| Immediate |
MM |
2 |
| Priority |
PR |
3 |
| Routine |
RT |
0 or N/A |
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Term
| Which DISAC provides information on Trunk Identifiers? |
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Definition
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Term
| A six (6) character code is created for use as a ____ identifier. |
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Definition
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Term
| The first position of a Trunk Identifier is... |
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Definition
| The geographical area the trunk is from |
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Term
| The 5th and 6th position of a Trunk Identifier are for? |
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Definition
| Individual trunk identification |
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Term
| The 2nd position of a Trunk Identifier is for... |
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Definition
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Term
| What is the purpose of a TSP? |
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Definition
| Allow users of our nation's most important telecommunications services of the National Security and Emergency Preparedness system to receive treatment on a priority basis. |
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Term
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Definition
| Telecommunications Service Priroties is a circuit assignment used to determine the importance or precedence for provisioning or restoring telecommunication services. |
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Term
| From who do users obtain TSP assignments from? |
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Definition
| The National Communications System TSP Program Office (NCSTSPPO) |
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Term
| The process of providing telecommunications service to a user is called _______ |
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Definition
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Term
| The process of returning a defective circuit back to operation through either repair or alternate routing. |
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Definition
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Term
| ______ involves appropriating a circuit of lesser importance to allow a higher priority user to communicate. |
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Definition
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Term
| The TSP Authorization code has what two parts? |
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Definition
| TSP Control Identifier (TSP Control ID) & TSP Code |
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Term
| A computer generated ID for TSP tracking purposes. |
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Definition
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Term
| The 1st through 8th positions of a TSP Code is the _______ |
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Definition
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Term
| What is the TSP Code used for? |
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Definition
| To assign the priority for provisioning and restoration purposes. |
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Term
| E, 1, 2, 3, 4, 5, and 0 are acceptable values for what? |
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Definition
| The Provisioning priority field of a TSP Code |
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Term
| What is the highest Provisioning Priority in a TSP Code? |
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Definition
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Term
| 1, 2, 3, 4, 5, and 0 are the only acceptable values of what part of a TSP Code? |
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Definition
| The Restoration priority field in a TSP Code |
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Term
| Do trunks use priorities and why/why not? |
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Definition
| No. A trunk is always more important than a single circuit. |
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Term
| Is TSP12345C-0E an acceptable TSP Code? |
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Definition
| No. The final position's accepted values are only 1, 2, 3, 4, 5, and 0. |
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Term
| Which is more important, a Priority 1 Circuit or a Priority 5? |
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Definition
| Priority 1 circuits are most important, priority 5 is least important. |
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Term
| AF Form 3215 is used for what? |
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Definition
| Document a users request for C4 Systems. The form documents the users requirements and justification for the request. |
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Term
| The user brings a AF Form 3215 to who? |
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Definition
| Their local Technical Control Facility (TCF) |
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Term
| The TCF turns an AF Form 3215 into ____ |
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Definition
| Telecommunications Request (TR) |
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Term
| A Telecommunications Request (TR) is forwarded by the TCF to whom? |
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Definition
| Telecommunication Certification Office (TCO) at the users MAJCOM. |
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Term
| After validated the TCO prepares a _______ from the TR. |
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Definition
| Telecommunications Service Request (TSR) |
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Term
| The TCO sends the TSR to whom? |
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Definition
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Term
| Who is the only office permitted to send a TSR to DISA? |
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Definition
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Term
| DISA prepares a ________ from the TSR. |
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Definition
| Telecommunications Service Order (TSO) |
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Term
| Who is the only organization authorized to negotiate contracts for commercial telecommunication services? |
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Definition
| Defense Information Technology Contracting Organization (DITCO) |
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Term
| What is sent from DITCO to a TCF regarding the status of an order? |
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Definition
| Status Acquisition Message (SAM) |
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Term
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Definition
| An Agreement between the customer, commercial provisioning team, and other base support services that outlines the services and responsibilities of each party. |
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Term
| Describes equipment to be installed, sites ofinstal greed upon, supporting construction, and service required. |
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Definition
| A Project Support Agreement (PSA) |
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Term
| An agreement between the user, communication squadron, and base support facilitiesthat outlines the part responsibility after system has been installed and become operational. |
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Definition
| Service Level Agreement (SLA) |
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Term
| DISA's online method for requesting services is called? |
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Definition
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Term
| What is now the preferred method of submitting telecommunication requests? |
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Definition
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Term
| What is DD Form 1441 and its primary purpose? |
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Definition
| Circuit Data Card used to assist in troubleshooting and restoring circuits |
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Term
| Who fills out a DD Form 1441 and where is the information taken from? |
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Definition
| The CANCO fills out a 1441 using the TSO |
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Term
| The front side of a DD 1441 contains what information? |
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Definition
| Technical and historical information about the circuit for use in isolating problems on that circuit. |
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Term
| The backside of a DD 1441 contains what information? |
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Definition
| The backside of the form has a simple block diagram showing how the circuit is configured within your facility. |
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Term
| What is a DD Form 1443 and its purpose? |
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Definition
| Outage and Restoration Record to keep a record of all circuit, trunk, link, equipment, or facility outages within a TCF. |
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Term
| How long must a DD 1443 be maintained? |
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Definition
| For 90 days after the end of each month. |
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Term
| What is DD Form 1697 and 1697-1 and their purposes? |
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Definition
| Circuit Parameter Test Data records the result of circuit quality control tests. |
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Term
| What is the difference between DD 1697 and 1697-1? |
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Definition
| DD 1697 is for Analog circuits while 1697-1 is for Digital circuits |
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Term
| How long must a DD 1697 be kept for? |
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Definition
| The initial one is kept for life of circuit while previous periodic ones are discarded. |
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Term
| What is DD Form 1753 and its purpose? |
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Definition
| The Master Station Log is the official narrative record of a TCF describing such things as significant events, shift/watch changes, outages, etc. |
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Term
| You initate a MSL at the start of each what? |
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Definition
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Term
| A RADAY is short for _______ _____ and is from _____ to _______ |
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Definition
| Radio Day and is from 0001Z to 2359Z |
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Term
| How long is an MSL maintained for? |
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Definition
| Maintained for 11 months after the end of each month. |
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Term
| Zulu time is another name for what time zone? |
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Definition
| Greenwich Mean Time (GMT) |
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Term
| The purpose of a TCF's reports is to what? |
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Definition
| To inform higher levels in their reporting chain of significant events affecting their facility. |
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Term
| A narrative report of activities or problems that must be reported immediately to DISA. |
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Definition
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Term
| How soon should you report a non-formatted report? |
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Definition
| within 10 minutes or asap |
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Term
| A typed message that provides outage information used for computer-assisted historical analysis. |
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Definition
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Term
| We sometimes refer to these as 55-1 reports. |
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Definition
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Term
| By what time and frequency should you submit a formatted report? |
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Definition
| Atleast one before 2400Z for each RADAY |
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Term
| What are the 3 types of completion reports? |
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Definition
| in-effect, delayed service, exception |
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Term
| In-effect reports are submitted when? |
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Definition
| Service meets all details of TSO, operating end-to-end as specified and meets all parameters of the technical schedule. |
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Term
| An in-effect report must be submitted within how many hours after activation? |
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Definition
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Term
| Commercial/Government delays or a failed parameter test causes what type of completion report? |
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Definition
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Term
| DISA must be notified by phone of the reason for a delayed service and expects a report to be filled out within how many hours? |
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Definition
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Term
| What is an Exception Report? |
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Definition
| Does not meet the technical parameters but its close enough for the customer to pass their information |
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Term
| How often must you submit follow up reports on an Exception Report until it is cleared? |
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Definition
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Term
| What can be found in a Circuit History Folder? |
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Definition
| Copy of the TSO, PSA, completion reports and initial test and acceptance 1697 or 1697-1 |
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Term
| Which method of multiplexing is used by the military? |
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Definition
| Time Division Multiplexing (TDM) |
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Term
| How many channels can be sampled at one time in TDM? |
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Definition
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Term
| How many frames does the multiplexer generate per second? |
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Definition
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Term
| What is the rate of DS-1? |
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Definition
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Term
| If the user's digital signal is less than 64kb/s what is added on? |
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Definition
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Term
| How many channels is a 1st level frame for DS-1? |
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Definition
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Term
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Definition
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Term
| What is the bit rate of E-1 and how many channels does it use? |
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Definition
| 2.048MB/s with 32 channel frames |
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Term
| A D4 Super frame is how many 1st level frames? |
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Definition
| 12 sequential 1st level frames |
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Term
| Extended Super Frame (ESF) uses how many 1st level frames? |
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Definition
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Term
| What level multiplexer is considered of user level? |
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Definition
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Term
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Definition
| When many first level multiplexers are going to the same distant end they are multiplexed together to form 2nd level multiplexing. |
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Term
| All third level multiplexers begin with what letter? |
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Definition
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Term
| An M12 has multiple inputs of what type? What is its output? |
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Definition
| Multiple DS-1 inputs with a DS-2 output |
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Term
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Definition
| The regular rhythmic reoccurence of a clocking pulse at a predetermined rate |
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Term
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Definition
| Provides a repeating frame bit sequence that allows the receiving multiplexer to determine where in the bit stream it is at any given time. |
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Term
| Bad timing with Digital Data can cause what? |
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Definition
| Deletion or repetition of data and Possible miss-framing |
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Term
| Bad timing with Video can cause what? |
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Definition
| Freeze frame for several seconds or clicking sound on audio |
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Term
| Bad timing with audio can cause what? |
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Definition
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Term
| What are the two types of station clocks? |
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Definition
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Term
| It is considered a timing error to have two _________ |
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Definition
| master station clocks on one timing network |
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Term
| What are the two types of general timing sources? |
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Definition
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Term
| Internal Timing Source would be? |
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Definition
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Term
| External Timing Source would be? |
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Definition
| Atomic Clocks, GPS, recovered timing |
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Term
| Can a crystal oscillator act as a primary timing source? |
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Definition
| Yes though they are usually enhanced with external timing |
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Term
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Definition
| A slave clock uses an external reference frequency to increase the accuracy of its internal crystal oscillator |
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Term
| What are the two types of Atomic Clocks used by the military? |
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Definition
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Term
| Which Atomic Clock is more accurate of the two used by the military? |
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Definition
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Term
| Which Atomic Clock is more likely to be used in a tactical situation? |
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Definition
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Term
| The GPS system consists of how many active satellites? |
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Definition
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Term
| Who manages the military GPS? |
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Definition
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Term
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Definition
| Develops timing from transitions in a receive data stream |
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Term
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Definition
| There must be at least three 1s in every 24 bits and no more than 15 consecutive 0s in a data stream |
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Term
| Bipolar 8 Zero Substitution (B8ZS) |
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Definition
| Process to ensure a bit stream retains the One's Density Rule |
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Term
| What are the modules of a FCC-100? |
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Definition
| Processor Module, Mux/Demux Module, Aggregate Module, Port Carrier Module, Front Panel Interface |
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Term
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Definition
| Used to assist in troubleshooting and diagnostic purposes |
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Term
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Definition
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