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AALogic SR-101 Technical Manual

Signal receiver
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SR-101 Signal Receiver
Fault Location and DSL Identification Receiver
Technician Manual
Version 1.0.6

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Summary of Contents for AALogic SR-101

  • Page 1 SR-101 Signal Receiver Fault Location and DSL Identification Receiver Technician Manual Version 1.0.6...
  • Page 2 Allied Analogic. Inc. 132 Redtail Ct. Weatherford, TX 76088 (817) 599-0272 © 2017 - 2016, AALogic Inc., All rights reserved Version 1.0.6...

  • Page 3: Table Of Contents

    Table of Contents General Description ..........................1 Features ............................1 Compatibility ..........................1 How Fault Locating Works ......................1 What is included ........................... 2 Main Display ............................2 Modes ............................2 3.1.1 CheckDSL ..........................2 3.1.2 Probe ............................. 3 3.1.3 Locate ............................
  • Page 4 6.2.1 Using TriPlex Tone ......................... 9 6.2.2 Confirming Identification with the DAP-125 ................. 9 Detecting DSL ............................9 Frequency Scan ..........................9 Circuit ID ............................9 Specifications: ............................. 11 Version 1.0.6...

  • Page 5: General Description

    OCATING ORKS The SR-101 helps locate faults by receiving a signal applied to the faulted pair allowing the technician to trace the current flow. The current flowing in the pair causes a signal to be radiated. The receiver is highly sensitive and tuned to the same frequency as the signal source.

  • Page 6: What Is Included

    Charger • USB Drive with manual ISPLAY The SR-101 main display is shown in the following picture. • The PWR/CLR on the lower left is used to exit any screen or to turn the unit off. • A battery indication is in the top left corner. Always check this before use. If only one segment is indicated, charge the unit as soon as practical.

  • Page 7: Probe

    Contrast. 4.3 T IMEOUT The SR-101 can turn itself off when not in use to extend battery usage. This timeout can be set in 15 minute increments from OFF to 45 minutes. 4.4 C ARRY CASE The included carry case may be adjusted for a comfortable carry height.

  • Page 8: Fault Locate Concept

    This means open faults, bridge tap, and other non-resistive faults are not located using the SR-101. A TDR, such as the D-105 test set, can be used for these faults.

  • Page 9: Crosses

    The signal will be minimal or non-existent on the side of the fault away from the transmitter. 5.2.4 Pair Split The SR-101 relies on current flow in the pair to be able to receive the signal on the pair. A split pair does not have a complete circuit so one must be created. Pair 1...

  • Page 10: Dhc-124 Differential Hand-Coil Sensor

    The DHC-124 is connected to the DAP connector on the right of the SR-101. 5.4 O THER ENSORS A phone plug connector on the right side of the SR-101 allows using other compatible probes with the SR- 101. Probes not manufactured by AALogic may not be compatible. 5.5 ST-101 TONE TRANSMITTER A suitable tone transmitter is required and the SR-101 is compatible with other tone transmitters capable of sending compatible frequencies with sufficient power to be detected by the SR-101.

  • Page 11: Receiving Audio Tone - Dap-125

    UDIO DAP-125 The DAP-125 and SR-101 provide a means of non-intrusively detecting the type of service, DSL for example, on a pair without making an electrical connection. This configuration is also used to locate identification tone being sent on a cable pair from tone sources.

  • Page 12: Simplex Tone

    Home screen. The SR-101 receiver software and hardware can detect small differences in received tone amplitude that cannot be heard. The received signal strength is displayed on an analog scale of 0 to 10. The equivalent numeric value of 0% to 100% is displayed in the lower right corner of the meter area.

  • Page 13: Using Triplex Tone

    The DAP-125 can usually be used to make a positive identification without the need to short the pair. Place one side of the tip against the Tip and then against the Ring and note the signal level on the D-105 or SR-101 receiver.
  • Page 14 Audible tones are heard when a circuit is detected. Each circuit type has a different tone and can aid the technician to identify the circuit without referring to the SR-101 Display. Version 1.0.6...

  • Page 15: Specifications

    PECIFICATIONS Receiver Gain ≤ 90dB DAP-125 Gain 40dB DHC-124 Gain 12dB Display Transflective Sunlight Readable Backlight Resolution 320x240 Power Li-ion 2000mAH Charger 6Vdc@1.0A Operate Time 8 to 16 hours Charge Time ~2 Hrs Temperature Charge 0 to 45c (32 to 113F) Operate -20 to 60c (-4 to 158F) Storage...

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