
20.5.99 | kap02.fm5 | Profiset 70isdn, GB: |
Important information for installation and operation
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| Spain | 900181540 | |||||
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| Taiwan | 27512152 | |||||
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| Thailand | 29383610 | |||||
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| United Kingd. | 990334411 | |||||
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| Siemens Service should only be contacted if | ||
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| problems develop with the device. | ||
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| Your specialist dealer will be happy to answer | ||
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| any questions concerning unit operation. | ||
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| Contact your network operator for questions | ||
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| concerning telephone connection. | ||
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Procedure in the case of malfunctions |
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| The cause of an operating error need not necessarily lie | ||||||
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| with the device. You may save time and money by rectify- | ||||||
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| ing simple faults yourself. The following information | ||||||
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| should be of help. |
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Symptom |
| Cause |
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No display. |
| No power supply. |
| Check that the telephone connect- | |||||
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| ing cord has been inserted correct- |
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| ly in the device and the NTBA. |
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| Check the NTBA |
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| tion with the power network. |
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No dial tone. |
| No power supply. |
| Check the | |||||
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| the telephone connecting cord on |
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| the device, the ISDN socket, and |
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| the NTBA. |
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| Handset cord not connected |
| Check the | |||||
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| correctly. |
| the handset cord on the device and | |||||
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| on the handset. |
No ringing tone. |
| Loudspeaker volume off. |
| Set the loudspeaker volume, | |||||
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| ➔ page 20. |
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With PBX operation: |
| Trunk code not set. |
| Program the trunk code, | |||||
No or incorrect connection |
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| ➔ page 18. |
after dialing from memory. |
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The password entered is re- |
| Password entered incorrect- |
| Try again. | |||||
jected. |
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| If you have forgotten your pass- | |||||
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| word, contact Siemens Service, |
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| ➔ page 4. |
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5