Service manual

Chapter 14
14-38
F-14-13
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.
14.15.7 Function test ((6) FUNCTION TEST)
0011-0890
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
Function test ((6) FUNCTION TEST)
Press the numeric keypad key 6 on the test mode menu to select the function test.
Press numeric keypad keys 1 and 3 to 9 during the function test to enter the menus listed below.
T-14-28
G3 signal transmission test (6-1: G3 480 bps Tx)
Press numeric keypad key 1 on the FUNCTION TEST menu to select the G3 signal transmission test. This test transmits 4800-bps G3 signals from the telephone
line connection terminal and speaker.
Sensor test (6-3: SENSOR)
This mode is used to verify the status of the unit sensors from LCD indications. Press numeric keypad key 3 on the FUNCTION TEST menu to select the sensor
test. LCD indications change as the associated sensors turn on and off.
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
< 12000bps
14400bps
16800bps
19200bps
21600bps
> 24000bps
26400bps
28800bps
31200bps
33600bps
Keypad Item Explanation
1 G3 signal transmission test Transmits 4800-bps G3 signals to a telephone line and
speaker.
2 Not used
3 Sensor test Sensor actuation test
4 ADF test ADF operation test
5 Book test Host machine operation test
6 Speaker test Speaker operation test
7 Operation panel test LCD, LED and control key operation test
8 Lamp test Contact sensor illumination test
9 Line signal reception test NCU board signal sensor and frequency counter operation test
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.