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1.
Make sure that both connector cases (frame ground) of the RS-232C straight cable (shielded cable)
are conductive. If they are not conductive, make sure that both connector cases of the cable are firmly
connected.
2.
If this is not possible, connect the frame of the PBX to the frame of the PC using an earthing wire in
order to prevent difference in the electrical potentials.
After connecting the PBX and the external modem, set the power switch of the external modem to "ON", then
the external modem will be initialised with the default values.
The following AT command settings may be required for the modem:
•
The Data Terminal Ready (DTR) signal should be ignored.
•
The Data Terminal Equipment (DTE)/Modem flow control should be turned off.
•
Data compression should be disabled.
•
Error Correction is not necessary.
Note
•
An AT command (for initialisation, enabling automatic answer, etc.) can only be programmed by the
Maintenance Console. "AT&F" is stored as the default value.
•
For more information about the AT command, refer to the external modem’s instructions.
Installation Manual
235
3.2.1 PC Connection
Summary of Contents for KX-TDA30
Page 248: ...248 Installation Manual 4 1 5 Troubleshooting by Error Log ...
Page 249: ...Section 5 Appendix Installation Manual 249 ...
Page 256: ...256 Installation Manual 5 1 6 PSMPR Software File Version 5 0xxx ...
Page 257: ...Index Installation Manual 257 ...
Page 263: ...Installation Manual 263 Notes ...