Chapter 14
14-30
G3 Signal Transmission Test
A press on '4' on the keypad from the MODEM test menu selects the G3 signal transmission test. In this test, the following G3 signals from the modem are trans-
mitted using the telephone line terminal and the speaker. To select a different transmission speed, use the keypad.
MEMO:
The output level of individual signals is in keeping with the setting made in service mode.
DTMF Signal Transmission Test
A press on '5' on the MODEM test menu selects the DTMF signal transmission test. In the test, the following DTMF signals from the modem are transmitted using
the telephone line terminal and the speaker. The number pressed on the keypad selects a specific DTMF signal.
MEMO:
The output level of individual signals is in keeping with the setting made in service mode.
Tonal/DTMF Signal Reception Test
A press on '6' on the keypad from the MODEM test menu selects the tonal signal/DTMF signal reception 0 test. In this signal, the tonal signal/DTMF signal received
from the telephone line terminal can be checked to find out if it was detected by the modem.
F-14-11
V.34 G3 Signal Transmission Test
A press on '8' on the keypad from the MODEM test menu selectes the V.34 G3 signal transmission test. The V.34 G3 signals below are sent from the modem using
the modular jack and the speaker by pressing the start key. The Baud rate can be changed with the keypad, and the Speed can be changed with the left/right arrow
key.
Keypad
Transmission speed
0
300bps
1
2400bps
2
4800bps
3
7200bps
4
9600bps
5
TC7200bps
6
TC9600bps
7
12000bps
8
14400bps
Keypad
Baud rate
0
3429baud
1
3200baud
2
3000baud
3
2800baud
4
2743baud
5
2400baud
Left/right arrow key
Transmission speed
2400bps
4800bps
7200bps
9600bps
MODEM TEST
OFF OFF OFF
OFF OFF OFF
changes from '0' to '1' in response to detection of a signal of 462
25 Hz.
changes from '0' to '1' in response to detection of a signal of 1100
30 Hz.
changes from '0' to '1' in response to detection of a signal of 2100
25 Hz.
Tonal signal reception test
MODEM TEST
OFF OFF OFF 5
DTMF signal reception test
The received DTMF signals are indicated starting
from the right using the 2nd character of the display.
Содержание ImageCLASS MF4690
Страница 1: ...Jul 18 2007 Service Manual MF4600 Series imageCLASS MF4690 ...
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Страница 14: ...Contents ...
Страница 15: ...Chapter 1 Introduction ...
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Страница 23: ...Chapter 1 1 5 3 Coded Dial key ...
Страница 31: ...Chapter 2 Basic Operation ...
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Страница 37: ...Chapter 3 Original Exposure System ...
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Страница 42: ...Chapter 3 3 2 F 3 1 drive belt drive pulley drive pulley contact sensor Book motor M2 ...
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Страница 49: ...Chapter 4 Original Feeding System ...
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Страница 65: ...Chapter 6 Image Formation ...
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Страница 95: ...Chapter 9 External and Controls ...
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Страница 107: ...Chapter 10 Maintenance and Inspection ...
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Страница 113: ...Chapter 11 Measurement and Adjustments ...
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Страница 135: ...Chapter 14 Service Mode ...
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Страница 181: ...Jul 18 2007 ...
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