User Manual

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5. INTERNAL MODEM
The internal modem complies with ITU-T V.90. If the destination provider does not support
V.90, the connection speed will be up to 33.6 kbps.
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Notes on use
• When thunderclouds are approaching, unplug the modular plug from the telephone modular
jack. If lightning strikes the telephone line, the modem or your computer may be damaged.
• When the modular cable is connected to the modular jack on your computer, do not pull the
modular cable or relocate your computer, as it may damage the modular jack.
• Use of a commercially available branch adapter to connect the modem along with another
device may affect data communications with the modem or operations of the other device.
• If you want to use a line switcher, use the one that completely isolates the line from an unused
device.
TIP: • While the hard disk or CD-ROM of the PC card connection type is in operation, an
attempt to initiate communications may cause the following phenomena:
- Decrease in the communication speed
- Disconnection of the communication line
- Dialing failure
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AT Command
For the AT commands, see “Online Manual”.
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Modular cable connection
Be sure to read “Safety Information” before connecting a modular cable and using the internal
modem to observe the notes.
1. Insert the modular cable plug into the modular jack on your computer.
Be sure to insert the plug until it clicks.
2. Insert the other modular cable plug into a telephone outlet.
When using the ISDN line, insert the plug into the analog port on your terminal adapter
(TA) or dial-up router.