Sony Vaio VGX-TP1 Series User Manual page 89

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89
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Using Peripheral Device
Telephone lines cannot be connected to the network (LAN) connector on your computer.
If the network (LAN) connector is connected to the telephone lines mentioned below, high electric current to the connector may cause damage,
overheating, or fire.
- Home (intercom speakerphone) or business-use telephone lines (multi-line business telephone)
- Public telephone subscriber line
- PBX (private branch exchange)
Do not plug atelephone cable into the network port.