Canon FAX-L260i Service Manual page 190

FAX-L260i Chapter 3: Maintenance & Service
6.1.5 Modem tests
These tests test modem transmission. The modem tests check whether signals are sent correctly from the
modem by comparing the sound of the signals from the speaker with the sounds from a normal modem.
End this test by pressing the STOP button.
Modem test type
Frequency test
G3 signal transmission test
DTMF signal transmission tests
a) Frequency test
The frequency test menu is selected by pressing numeric button 2 from the board test menu. Signals of the
frequencies below are sent from the modem using the modular jack and the speaker. The frequency can be
changed with the numeric buttons.
Numeric button
1
2
3
4
5
6
7
Overview
The modem sends tone signals from the ISDN jack and the speaker.
The modem sends G3 signals from the modular jack and the
speaker.
The modem sends DTMF signals from the ISDN jack and the
speaker.
Frequency
462 Hz
1100 Hz
1300 Hz
1500 Hz
1650 Hz
1850 Hz
2100 Hz
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