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Manuals and User Guides for AMERITEC AM-48E. We have
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AMERITEC AM-48E manual available for free PDF download: Instruction Manual
AMERITEC AM-48E Instruction Manual (179 pages)
Personal Transmission Test Sets
Brand:
AMERITEC
| Category:
Test Equipment
| Size: 4 MB
Table of Contents
Instruction Manual
2
Table of Contents
4
1 Introduction
11
Manual Overview
11
General Description
12
Technical Specifications
14
Table 1-1. AM-48 General Technical Specifications
15
Table 1-2. AM-48 Generator (Send) Technical Specifications
16
Table 1-3. AM-48 Receiver (Measure) Technical Specifications
18
AM-48E Technical Specifications
21
Table 1-4. AM-48 Power/Physical Technical Specifications
21
2 Receiving and Unpacking
23
Introduction
23
Inspection When Received
23
Verification of Contents
23
Table 2-1. AM-48 Standard Equipment
24
Table 2-2. AM-48 Optional Equipment
24
3 Physical & Functional Description
25
Introduction
25
General
25
Component Location
26
Table 3-1. Front Panel/Switches Color Coding
26
Connectors and Cables
27
Figure 3-1. AM-48 Location of Components
27
Figure 3-2. AM-48 Connectors
28
Figure 3-3. Standard AM-48 Cables
28
Switches
29
Figure 3-4. Optional AM-48 Cables
29
Figure 3-5. AM-48 Switch Identification Numbers
30
Keyboard
38
Figure 3-6. AM-48 Keyboard Identification Numbers
39
Display
41
Figure 3-7. AM-48 Liquid Crystal Display
42
Microphone/Speaker
43
Table 3-2. AM-48 SEND, MEASURE, and FILTER Menus
43
Hand-Held Printer
44
Table 3-3. AM-47 Hand-Held Printer Technical Specifications
45
Figure 3-8. Hand-Held Printer, External View
46
Figure 3-9. Hand-Held Printer, Internal View
47
Impedance Adapter
48
Figure 3-10. Impedance Adapter
48
4 Power Considerations
49
General
49
Battery Compartment
49
Battery-Selector Switch
49
Figure 4-1. Battery Installation and Selector Switch
50
Battery Installation
51
Battery Information
51
AC Power
52
Power On/Off Switch
52
5 Self-Test Instructions
54
General
54
Self-Test Setup
54
Figure 5-1. AM-48 Setup for Self-Test (Looped Back)
55
Figure 5-2. General Switch Setup for Self Test
56
Quiet Send Mode
57
Figure 5-3. Quiet Send Mode Self Test
57
Send 1004 Hz
58
Figure 5-4. Send 1004 Hz Self Test, Switch Settings
59
Send PAR (Peak-To-Average Ratio)
60
Figure 5-5. Send 1004 Hz Self Test, Displays
60
Dialing
61
Figure 5-6. Send PAR (Peak-To-Average Ratio)
61
Parameter Values for Send Sweep
63
Figure 5-7. Dialing
63
Figure 5-8. Default Parameter Settings for SWEEP Send Mode
67
6 Connection and Configuration
68
Introduction
68
General
68
Connectors and Cables
69
Operating Instructions
69
Figure 6-1. 2-Wire AM-48 Line Connections
70
Figure 6-2. 4-Wire AM-48 Line Connections
71
Figure 6-3. AM-47 Hand-Held Printer Connection with AC Power
72
900Ω Line Termination Impedances
74
Impedance Adapter
76
Configurations
77
Figure 6-4. 4-Wire End-To-End Testing
78
Figure 6-5. 4-Wire Testing with Responder
80
Figure 6-6. 2-Wire Network Testing with Responders
81
7 Operating Instructions
82
Introduction
82
General Instructions and Notes
84
General Operating Notes
84
Figure Format
85
General Switch Setup
87
Multiple Use of Keys
89
Table 7-1. Setup Requirements for Different Keyboard Applications
89
Memory
90
Table 7-3. User-Programmable Parameter Values Stored in Memory
92
General Procedure to Set New Parameter Values
93
Send (Generator) Modes and Parameter Settings
94
Types of Send Signals
94
Send Quiet
95
Set Parameters from Quiet Display
96
Figure 7-1. Parameter Settings from QUIET SEND Display
96
Send Momentary Variable Tones
98
Send 1004 Hz
99
Send Continuous Variable Tone
100
Send Set of Slope Tones
100
Send Variable Sweep
101
Figure 7-4. Parameter Settings from SWEEP SEND Display
102
Send PAR Waveform
103
Send Momentary 2713 Hz Tone
103
Accuracy of Measurements
103
Absolute and Relative Measurements
104
Special Measurement Requirements
105
Table 7-4. Acceptable Holding Tone Ranges
106
Timed Tests
107
Table 7-5. Special Measurement Requirements
107
MEASURE Modes
108
Measure Level and Frequency
108
Measure Noise
109
Measure PAR
110
Measure Impulse Noise
110
Measure Notched Noise
113
Figure 7-7. Notched NOISE and S/N Ratio MEASURE Displays
114
Measure S/N Ratio
115
Measure Phase Jitter
115
Measure Amplitude Jitter
116
Measure Transients
117
Miscellaneous Operations
121
Store and Recall
121
Figure 7-10. Recall and Store Operations
123
Dialing
124
Table 7-6. Setup Requirements for Dialing
125
Table 7-7. MF and DTMF Tone Pairs
125
Talking
126
Printing
126
Figure 7-11. SEND Printouts
133
Figure 7-12. MEASURE Printouts, Absolute Measure Mode
135
Figure 7-13. MEASURE Printouts, Relative Measure Mode
136
Auto Study Result Save
137
Impedance Adapter Measurement Corrections
137
Table 7-8. Impedance Adapter Correction Values
138
Figure 7-14. Impedance Adapter Correction Value Memory Aid
139
Auto Calibrate
140
Figure 7-15. AM-48 Auto Calibrate Prompts
141
8 Explanation and Application of Measurements
142
Introduction
142
Units of Measurement
142
Figure 8-1. Level and Noise Units of Measurement
143
Level (Loss or Gain) and Frequency
145
Idle Channel Noise
145
Notched Noise (Noise with Tone)
145
Signal-To-Noise (S/N) Ratio
146
Table 8-1. P/AR Requirements of Telephone Lines
147
P/AR Measurements
147
Gain Slope
149
Idle Channel Impulse Noise
150
Figure 8-2. Impulse Noise Thresholds and Blanking Intervals
151
Phase Jitter
152
Amplitude Jitter
152
Notched Impulse Noise
153
Phase Hits
153
Gain Hits
153
Dropouts
153
9 Circuit Diagrams
154
Introduction
154
Simplified Block Diagram
154
Figure 9-1. Simplified Block Diagram of the AM-48
155
Impedance Adapter Schematic
156
Figure 9-2. Schematic Diagram of the Impedance Adapter
157
Warranty, Service, and Calibration
158
Warranty
158
Service Policy
158
Calibration Policy
158
Return of Unit
159
11 Glossary
160
10 Warranty, Service, and Calibration
178
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