TIPTEL 140 Manuel D'utilisation page 78

16. Line Jack
17. DATA Jack
18. Handset Jack
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Getting started
Connect to wall socket using telephone cord supplied.
Connect e.g. data modem or answering machine, solely use devices with
own power supply, no devices feeded from the telephone line are allowed.
Going off-hook an answering machine may not stop operation. If so,
connect the answering machine directly to the telephone line and use an
appropriate Y-adapter (must be serial) to connect this device - do not use
this data jack.
Connect handset using coil cord supplied.
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