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Tech SupportMTA Layout

TM 600 Series Modems:

  1. Wiring Problems.
    1. If the Telephony Modem begins flashing all its lights for more than 10 seconds, this indicates a problem with the telephone wiring.
      1. The red (Ring) and green (Tip) wires may be shorted (touching).
      2. There may be undesired voltage on the lines.
    2. If this pattern persists for more than 10 seconds.
      1. Disconnect the telephone lines from the Telephony Modem, then call a wiring technician for assistance.
  2. Front Panel
    1. Indicator Lights.
      1. Patterns - Normal Operation.
        1. The table below shows light patterns during normal operation.
        2. Lights may vary depending on modem model.
    Tm 600 Indicator Lights
  3. Rear Panel.
  4. TM 600 rear panel

TM 608G 8 Port Modems:

  1. Wiring Problems.
    1. If the Telephony Modem begins flashing all its lights for more than 10 seconds, this indicates a problem with the telephone wiring.
      1. The red (Ring) and green (Tip) wires may be shorted (touching).
      2. There may be undesired voltage on the lines.
    2. If this pattern persists for more than 10 seconds.
      1. Disconnect the telephone lines from the Telephony Modem, then call a wiring technician for assistance.
  2. Indicator Lights.
    1. Patterns - Normal Operation.
      1. The following table shows light patterns during normal operation.
        1. Lights may vary depending on modem model.
    TM608G Indicator lights
  3. Front Panel.
  4. Rear Panel.

TM 800 Series Modems:

  1. Wiring Problems.
    1. If the Telephony Modem begins flashing all its lights for more than 10 seconds, this indicates a problem with the telephone wiring.
      1. The red (Ring) and green (Tip) wires may be shorted (touching).
      2. There may be undesired voltage on the lines.
    2. If this pattern persists for more than 10 seconds.
      1. Disconnect the telephone lines from the Telephony Modem, then call a wiring technician for assistance.
    3. Battery Mismatch (Series 800 modems).
      1. If the Telephony Modem alternates flashing the Battery light and all other lights, the installed battery is incompatible with the Telephony Modem.
        1. Contact support for repair.
  2. Front Panel
    1. Indicator Lights.
      1. Patterns - Normal Operation.
        1. The table below shows light patterns during normal operation.
        2. Lights may vary depending on modem model.
  3. Rear Panel

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