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Service Mode > Details of Service Mode > #TEST MODE > Details
Service Mode > Details of Service Mode > #TEST MODE > Details
• Numeric keypad key 1
The input key and relay are shown below:
RELAY TEST1 OFF OFF
OFF OFF OFF OFF
[1]
[2] [3] [4] [5] [6]
Relay
CML
P
S
H D R
Keypad
0
1
2
3
4
5
[1]
[2]
[3]
[4] [5]
[6]
• Numeric keypad key 2
The input key and relay are shown below:
RELAY TEST2 OFF OFF
OFF OFF OFF OFF OFF
[1]
[2] [3] [4] [5] [6] [7]
Relay
CITS2 C1 NORG DCSEL DCLIM IPSEL1 IPSEL2
Keypad 0 1 2
3 4
5
6
[1]
[2]
[3]
[4] [5]
[6]
[7]
CAUTION:
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,
F-8-14
F-8-15
Keypad Frequency
1
462Hz
2
1100Hz
3
1300Hz
4
1500Hz
5
1650Hz
6
1850Hz
7
2100Hz
NOTE:
The frequency and the output level of individual frequencies are in keeping with the
output level set in service mode.
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 transmitted using the telephone
line terminal and the speaker. To select a different transmission speed, use the keypad.
Keypad Transmission speed
0
300bps
1
2400bps
2
4800bps
3
7200bps
4
9600bps
5
TC7200bps
6
TC9600bps
7
12000bps
8
14400bps
NOTE:
The output level of individual signals is in keeping with the setting made in service
mode.
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.
NOTE:
The output level of individual signals is in keeping with the setting made in service
mode.
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T-8-69
Summary of Contents for 1750
Page 12: ...Update Firmware XXV Volume Control XXV Backup Data XXVI...
Page 17: ...1 1 Product Overview Product Overview Product Lineup Features Specifications Parts Name...
Page 235: ...7 7 Error Code Error Code Overview Error Code Jam Code Alarm Code...
Page 250: ...8 8 Service Mode Service Mode Outline Details of Service Mode...
Page 333: ...Service Tools General Timing Chart General Circuit Diagram List of User Mode Appendix...