Canon iR1200 Series Service Manual page 471

Type
V.34 G3 signal transmission
test
Relay Test
Press '1' on the keypad on the Modem NCU Test menu to select relay test mode. Use the keypad to operate the various
relays of the NCU.
The 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 LCD to check a fault on a single relay.
Frequency Test
A press on '2' on the keypad from the MODEM NCU 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
1
2
3
4
5
6
7
MEMO:
The frequency and the output level of individual frequencies are in keeping with the output level set in service mode.
Description
The modem sends V.34 G3 signals from the
modular jack and speaker.
RELAY 1 010000
1-1 : P ON
0 1 0 0 0 0
Relay CML P S H D R
Keypad 0 1 2 3 4 5
F-15-19
T-15-53
Frequency
462 Hz
1100 Hz
1300 Hz
1500 Hz
1650 Hz
1850 Hz
2100 Hz
1 : relay ON
2 : relay OFF
Chapter 15
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