SYMPTOM: Trouble with voice terminal lights, speaker, and ringing.
| Possible Cause 1: Control | Unit. |
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| Do This | If |
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| Slide the T/P switch on the | All the red and green lights | The voice terminal is | |||
| side of the voice terminal to | flash alternately and a tone | working properly. Go to | |||
| the T position and hold it | sounds continually | Possible Cause 3. | |||
| there. |
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| Some red and green lights | The trouble is caused by | |||
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| flash continually and/or a | either the voice terminal or | |||
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| tone sounds at irregular | the cable connection. Go | |||
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| internals | to Possible Cause 2. | |||
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| None of the lights turn on | The trouble is either the | |||
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| and a tone sounds | control unit, | the | voice | |
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| continually or irregularly | terminal, or | the | cable | |
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| connection. Go | to Possible | ||
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| Cause 2. |
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| The lights are dim | The trouble is a faulty | |||
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| control unit or power | |||
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| supply. Contact | your | ||
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| equipment supplier for | |||
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| assistance. |
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Possible Cause 2: Faulty voice terminal. |
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| Do This | I f |
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| Unplug the modular voice | The same trouble appears on | The trouble is either in the | |||
| terminal cord from the | the working voice terminal | control unit or the cables. | |||
| malfunctioning voice |
| Plug | the malfunctioning | ||
| terminal. Plug the cord into |
| voice | terminal into its | ||
| a working voice terminal. |
| original jack and go to | |||
| Slide its T/P switch to the T |
| Possible Cause 3. | |||
| position and hold it there. |
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| The trouble does not appear | The malfunctioning voice | |||
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| on the working voice | terminal is faulty. Contact | |||
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| terminal | your equipment supplier for | |||
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| assistance. |
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Troubleshooting Procedures |
