Modem Test; Modem Test ((4) Modem Test) - Canon mf6600 Series Service Manual

Modem Test

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Modem Test ((4) MODEM TEST)

MODEM test((4) MODEM TEST)
These tests test modem and NCU transmission and reception. 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 key.
Keypad
Type
Use it to turn on/off a selected relay to execute a switch-
1 Relay test
over test
The modem sends tonal signals from the modular jack
2 Frequency test
and the speaker.
The modem sends G3 signals from the modular jack
G3 signal transmission test
and the speaker.
Use it to generate the DTMF signal coming from the
5 DTMF signal reception test
modem using the telephone line terminal and the
speaker.
Use it to monitor a specific frequency and the DTMF
6 Tonal signal reception test
signal received from the telephone line terminal by
causing them to be indicated on the LCD (i.e., the
presence/absence as detected). The reception signal is
generated by the speaker.
8 V.34 G3 signal transmission test The modem sends V.34 G3 signals from the modular
jack and the speaker.
Relay Test
Press '1'or '2' on the keypad on the Modem test menu to select relay test mode. Use
the keypad to operate the various relays of the NCU. '2' on the keypad is used for 230V
machine.
8
Service Mode > Test Mode (Test) > Modem Test > Modem Test ((4) MODEM TEST)
Description
T-8-45 T-8-45
8 Service Mode > Test Mode (Test) > Modem Test > Modem Test ((4) MODEM TEST)
Numeric keypad key 1
The input key and relay are shown below:
[1]
RELAY TEST1 OFF OFF
OFF OFF OFF OFF
[3] [4] [5] [6]
[1] [2]
Relay CML P
Keypad 0 1
Numeric keypad key 2
The input key and relay are shown below:
[1] [2]
RELAY TEST2 OFF OFF
OFF OFF OFF OFF OFF
[3] [4] [5] [6] [7]
[1] [2] [3]
Relay CITS2 C1 NORG DCSEL DCLIM IPSEL1 IPSEL2
Keypad 0 1 2 3
The touch panel (LCD) is turned on or off in relation to the transmission of the relay
operation signal as is operated on the keypad; for this reason, you cannot use the touch
panel (LCD) to check a fault on a single relay.
Frequency Test
A press on '2' on the keypad from the MODEM test menu selects the frequency test.
In this test, signals of the following frequencies from the modem are transmitted using the
telephone line terminal and the speaker. To select a different frequency, use the keypad.
Keypad
462Hz
0
1100Hz
1
1300Hz
2
1500Hz
3
1650Hz
4
1850Hz
5
2100Hz
6
8-30
[2]
[3] [4] [5] [6]
S H D R
2 3 4 5
F-8-9 F-8-9
[4] [5] [6] [7]
4 5 6
F-8-10 F-8-10
Frequency
T-8-46 T-8-46
8-30