Introduction to Technical Control (Part II)
Lesson 1. Interfacing the VF Circuits
Signal Compatibility.
Frequency compatibility
Binding posts.
Learning Event 2: Two-wire and four-wire principles
Figure 1-1. 2W-4W Telephone Communication System, Block Diagram.
Balance.
Learning Event 3: Attenuation and Attenuators
Attenuators and Pads.
Figure 1-3. Schematic Diagram of T- and H-Type Pads.
Table I. Shunt- and Series-Arm Factors for T Pads Between Circuits of Equal Impedance
Figure 1-4. Schematic Diagram of a 12-dB, 600-Ohm Pad In A Circuit.
Energy Level Diagram
Figure 1-6. Energy Level Diagram of an Equal-Level Patching Circuit.
Learning Event 4: Signaling
Learning Event 5: E and M Signaling
Figure 1-7. E&M Signaling Arrangements.
Standard.
Figure 1-8. Signaling Frequency Interface
Pulse-link repeater.
Lesson 1. TM 11-679 Extracts
Introduction - ss032950029
Solving the Formula for DB Gain
The DBM Represents a Reference Level
Figure 4. The use of a reference level
Figure 5. How dbm is used in a telephone system
Figure 6. Use of oscillator and transmission measuring set
Practice Exercise - ss032950035
Practice Exercise (cont) - ss032950036
Practice Exercise (cont) - ss032950037
Practice Exercise (cont) - ss032950038
Practice Exercise (cont) - ss032950039
Practice Exercise (cont) - ss032950040
Answers to Practice Exercise - ss032950041
Answers to Practice Exercise (Cont) - ss032950042
Lesson 1. Interfacing of VF Circuits
Lesson 2. DC Telegraph Circuit Patching
Battery Source.
Characteristics of Circuits.
Learning Event 2: Telegraph Test Signals
Learning Event 3: Patching Telegraph Circuits
Tip-Only Jack.
Learning Event 4: Digital Signals
Learning Event 5: Distortion Analyzer System DAS10
Figure 2-1. Application of Distortion Analyzer System DAS10.
Telegraph Carrier Channel Signal Analysis.
Figure 2-2. Data Transmitter, Model 7413, Front Panel View.
Push buttons.
Push buttons. (Cont)
Figure 2-3. A-Scan, Model 7431, Front Panel View.
Control Indicator - ss032950058
Figure 2-4. Data Analyzer, Model 7422, Front Panel View.
Control Indicator - ss032950060
Control Indicator (Cont) - ss032950061
Control Indicator (cont) - ss032950062
Lesson 2. TM 11-680 Extract
Introduction - ss032950064
Bias Distortion
Delay Distortion
Figure 5. Delay Distortion
End Distortion
Fortuitous Distortion
Characteristic Distortion
Carrier Distortion
Distortion Measurements and Reporting
Importants Points to Remember
Practice Exercise - ss032950074
Practice Exercise (Cont) - ss032950075
Practice Exercise (Cont) - ss032950076
Practice Exercise (Cont) - ss032950077
Practice Exercise (Cont) - ss032950079
Answers to Practice Exercise - ss032950080
Lesson 2. Telegraph Circuit Patching
Lesson 3. Communication Technical Control Center AN/MSQ-73
Interconnecting VF Circuits.
Content compatibility.
Figure 3-1. Communications Technical Control Center AN/MSQ-73.
Figure 3-2. External Signal Connectors.
Figure 3-3. Connecting 26-Pair Cable to a Mounted Socket.
Capabilities.
Figure 3-4. Plan Layout of Communications Technical Control Center AN/MSQ-73.
Figure 3-5. Rear Interior, Right-Side View.
Learning Event 4: Play Layout, Left Side, AN/MSQ-73
Figure 3-6. Front Interior, Right-Side View.
Figure 3-7. Front Interior, Left-side View.
Figure 3-8. Bay 10, Teletypewriter Set AN/FGC-69.
Ringdown Converter Bay.
Figure 3-9. Rear Interior, Left-side View, AN/MSQ-73.
Figure 3-10. VF Circuits in the AN/MSQ-73, Block Diagram.
Figure 3-11. DC Circuits in the AN/MSQ-73, Block Diagram.
Prewired Circuits.
Figure 3-12. Adjustable Attenuator.
VF Jack Arrangements.
Learning Event 6: DC Jack Circuits
Figure 3-14. Principles of DC Jack Circuits in the AN/MSQ-73.
Circuit B.
Figure 3-15. One DC Jack Circuit in the AN/MSQ-73, Schematic Diagram.
Learning Event 7: Isolation relays
Figure 3-16. Isolation Relay Chassis, Front Panel View.
Practice Exercise - ss032950108
Practice Exercise (Cont) - ss032950109
Practice Exercise (Cont) - ss032950110
Answers to Practice Exercise - ss032950111
Lesson 3. Communications Technical Control Center AN/MSQ-73
Lesson 1. Interfacing the VF Circuits
Signal Compatibility.
Frequency compatibility
Binding posts.
Learning Event 2: Two-wire and four-wire principles
Figure 1-1. 2W-4W Telephone Communication System, Block Diagram.
Balance.
Learning Event 3: Attenuation and Attenuators
Attenuators and Pads.
Figure 1-3. Schematic Diagram of T- and H-Type Pads.
Table I. Shunt- and Series-Arm Factors for T Pads Between Circuits of Equal Impedance
Figure 1-4. Schematic Diagram of a 12-dB, 600-Ohm Pad In A Circuit.
Energy Level Diagram
Figure 1-6. Energy Level Diagram of an Equal-Level Patching Circuit.
Learning Event 4: Signaling
Learning Event 5: E and M Signaling
Figure 1-7. E&M Signaling Arrangements.
Standard.
Figure 1-8. Signaling Frequency Interface
Pulse-link repeater.
Lesson 1. TM 11-679 Extracts
Introduction - ss032950029
Solving the Formula for DB Gain
The DBM Represents a Reference Level
Figure 4. The use of a reference level
Figure 5. How dbm is used in a telephone system
Figure 6. Use of oscillator and transmission measuring set
Practice Exercise - ss032950035
Practice Exercise (cont) - ss032950036
Practice Exercise (cont) - ss032950037
Practice Exercise (cont) - ss032950038
Practice Exercise (cont) - ss032950039
Practice Exercise (cont) - ss032950040
Answers to Practice Exercise - ss032950041
Answers to Practice Exercise (Cont) - ss032950042
Lesson 1. Interfacing of VF Circuits
Lesson 2. DC Telegraph Circuit Patching
Battery Source.
Characteristics of Circuits.
Learning Event 2: Telegraph Test Signals
Learning Event 3: Patching Telegraph Circuits
Tip-Only Jack.
Learning Event 4: Digital Signals
Learning Event 5: Distortion Analyzer System DAS10
Figure 2-1. Application of Distortion Analyzer System DAS10.
Telegraph Carrier Channel Signal Analysis.
Figure 2-2. Data Transmitter, Model 7413, Front Panel View.
Push buttons.
Push buttons. (Cont)
Figure 2-3. A-Scan, Model 7431, Front Panel View.
Control Indicator - ss032950058
Figure 2-4. Data Analyzer, Model 7422, Front Panel View.
Control Indicator - ss032950060
Control Indicator (Cont) - ss032950061
Control Indicator (cont) - ss032950062
Lesson 2. TM 11-680 Extract
Introduction - ss032950064
Bias Distortion
Delay Distortion
Figure 5. Delay Distortion
End Distortion
Fortuitous Distortion
Characteristic Distortion
Carrier Distortion
Distortion Measurements and Reporting
Importants Points to Remember
Practice Exercise - ss032950074
Practice Exercise (Cont) - ss032950075
Practice Exercise (Cont) - ss032950076
Practice Exercise (Cont) - ss032950077
Practice Exercise (Cont) - ss032950079
Answers to Practice Exercise - ss032950080
Lesson 2. Telegraph Circuit Patching
Lesson 3. Communication Technical Control Center AN/MSQ-73
Interconnecting VF Circuits.
Content compatibility.
Figure 3-1. Communications Technical Control Center AN/MSQ-73.
Figure 3-2. External Signal Connectors.
Figure 3-3. Connecting 26-Pair Cable to a Mounted Socket.
Capabilities.
Figure 3-4. Plan Layout of Communications Technical Control Center AN/MSQ-73.
Figure 3-5. Rear Interior, Right-Side View.
Learning Event 4: Play Layout, Left Side, AN/MSQ-73
Figure 3-6. Front Interior, Right-Side View.
Figure 3-7. Front Interior, Left-side View.
Figure 3-8. Bay 10, Teletypewriter Set AN/FGC-69.
Ringdown Converter Bay.
Figure 3-9. Rear Interior, Left-side View, AN/MSQ-73.
Figure 3-10. VF Circuits in the AN/MSQ-73, Block Diagram.
Figure 3-11. DC Circuits in the AN/MSQ-73, Block Diagram.
Prewired Circuits.
Figure 3-12. Adjustable Attenuator.
VF Jack Arrangements.
Learning Event 6: DC Jack Circuits
Figure 3-14. Principles of DC Jack Circuits in the AN/MSQ-73.
Circuit B.
Figure 3-15. One DC Jack Circuit in the AN/MSQ-73, Schematic Diagram.
Learning Event 7: Isolation relays
Figure 3-16. Isolation Relay Chassis, Front Panel View.
Practice Exercise - ss032950108
Practice Exercise (Cont) - ss032950109
Practice Exercise (Cont) - ss032950110
Answers to Practice Exercise - ss032950111
Lesson 3. Communications Technical Control Center AN/MSQ-73
