March 2000 © TOSHIBA TEC
11-19
DP120F/DP125F Troubleshooting
1.5.3 MODEM TEST (Factory Test)
[MENU], [9], [4], [03]
This test is used to check the MODEM signal outputs at different transmission speeds and
different frequencies. By measuring the difference in signal strength at different frequencies, it is
possible to plot the phone line's bandpass.
This test is performed at the factory for inspection and not required in the field.
(1)
Use the [
↑
] or [
↓
] key to select “03. MODEM TEST”, and then press the [ENTER] key.
MODEM TEST
1.LINE-1
2.LINE-2
<Remarks>
“2. LINE-2” is displayed only when LINE-2 is installed.
(2)
Select “1. LINE-1” to test the LINE-1 side, and “2. LINE-2” to test the LINE-2 side, then
press the [ENTER] key.
MODEM TEST
LINE-1
2100Hz
(3)
Select the frequency by pressing the [START] key.
<Remarks>
The frequencies are displayed as in the following order.
2100Hz
→
G3(V34)
→
G3(V17)
→
G3(V29)
→
G3(V27)
→
2400BPS
→
300BPS
→
1850Hz
→
1650Hz
→
1100Hz
→
1300Hz
→
ANSam
→
CM
→
CI
→
Repeats
(4)
When you complete the test, press the [STOP] key to return to the standby mode screen.
(5)
Depending on the result of the test, replace the Main PBA or the MODEM PBA, referring
to "Chapter 8 Removal/Replacement/Adjustment" on page 8-46 or 8-42.
Содержание DP120F
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Страница 294: ...March 2000 TOSHIBA TEC 6 7 DP120F DP125F PBA Outline and Sensor Function 3 7 PC I F PBA Fig 6 3 8 06 03 08 ...
Страница 311: ...DP120F DP125F Circuit Description 7 2 March 2000 TOSHIBA TEC 07 01 02 Fig 7 1 2 US CA TW models 2 3 ...
Страница 312: ...March 2000 TOSHIBA TEC 7 3 DP120F DP125F Circuit Description Fig 7 1 3 07 01 03 US CA TW models 3 3 ...
Страница 313: ...DP120F DP125F Circuit Description 7 4 March 2000 TOSHIBA TEC Fig 7 1 4 07 01 01E EU AU ASIA HK models 1 3 ...
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Страница 315: ...DP120F DP125F Circuit Description 7 6 March 2000 TOSHIBA TEC Fig 7 1 6 07 01 03E EU AU ASIA HK models 3 3 ...
Страница 316: ...March 2000 TOSHIBA TEC 7 7 DP120F DP125F Circuit Description 1 2 Block Diagram 07 01 10 Fig 7 1 7 ...
Страница 337: ...DP120F DP125F Circuit Description 7 28 March 2000 TOSHIBA TEC 3 1 Memory Circuit Fig 7 3 1 07 03 01 ...
Страница 387: ...DP120F DP125F Circuit Description 7 78 March 2000 TOSHIBA TEC EU AU ASIA HK models Fig 7 4 2 07 04 00E ...
Страница 401: ...DP120F DP125F Circuit Description 7 92 March 2000 TOSHIBA TEC 07 05 00 Fig 7 5 1 ...
Страница 579: ...March 2000 TOSHIBA TEC 9 15 DP120F DP125F Dialing and Communication Procedure b Standard procedure ...
Страница 654: ...DP120F DP125F Troubleshooting 11 42 March 2000 TOSHIBA TEC 2 3 Flow Chart Recommended for Field Service ...
Страница 655: ...March 2000 TOSHIBA TEC 11 43 DP120F DP125F Troubleshooting 2 4 Flow Chart Recommended for Telephone Screening ...
Страница 656: ...DP120F DP125F Troubleshooting 11 44 March 2000 TOSHIBA TEC ...
Страница 699: ...March 2000 TOSHIBA TEC 12 1 DP120F DP125F Appendix Chapter 12 Appendix 1 Sample List 1 1 Protocol Trace List ...
Страница 700: ...DP120F DP125F Appendix 12 2 March 2000 TOSHIBA TEC 1 2 Error Count List ...
Страница 701: ...March 2000 TOSHIBA TEC 12 3 DP120F DP125F Appendix 1 3 Function List for Maintenance ...
Страница 702: ...DP120F DP125F Appendix 12 4 March 2000 TOSHIBA TEC 1 4 Drum Unit ...
Страница 703: ...March 2000 TOSHIBA TEC 12 5 DP120F DP125F Appendix 1 5 Memory Dump List ...
Страница 706: ...SHUWA SHIBA PARK BLDG A 2 4 1 SHIBA KOEN MINATO KU TOKYO 105 8524 JAPAN ...