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Istruzioni per l'uso ADTRAN, Modello 1200051L5

Produttore : ADTRAN
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Lingua di insegnamento: en
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Security and Remote Configuration Cfg. Rmt. Unit Cfg. Rmt. Unit causes the ISU 2x64 to place a call to a remote ISU for configuration. The user is prompted for the number to dial and the password for accessing the remote unit. After the call is placed, the local unit sends the entered password to the remote unit. If the password is correct, the remote unit confirms the password and configuration is allowed. If the remote unit has no password defined, press Enter at the prompt. Set Password Set Password prompts the user to enter a six digit numeric code that musts be supplied when a remote configuration call is received. This password is the same as the password for front panel keypad locking. The default state is nothing entered in the password option. Lpbk remote 1B Lpbk remote 1B causes the ISU 2x64 to make a call to a remote ISU and place the remote ISU into a 1B-channel loopback. When the remoted unit is looped back, the local unit will send a test pattern (2047) to the remote unit and verify that the test pattern comes back uncorrupted. The user is prompted for the number to dial. Negotiation progress is displayed while the loopback call is in progress. Total bytes and Error bytes are displayed upon connection success. The Cancel key disconnects the call at any time. Lpbk remote 2B Lpbk remote 2B causes the ISU 2x64 to make a call to a remote ISU and place the remote ISU into a 2B-channel loopback. When the remoted unit is looped back, the local unit will send a test pattern (2047) to the remote unit and verify that the test pattern comes back uncorrupted. The user is prompted for the number to dial. Negotiation progress is displayed while the loopback call is in progress. Total bytes and Error bytes are displayed upon connection success. The Cancel key disconnects the call at any time. 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual Chapter 9. Security and Remote Configuration ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Chapter 10 Troubleshooting When the ISU 2x64 powers up, it performs an internal self test that takes approximately 10 seconds. At the end of the test, the front panel momentarily displays Self Test Passed. If Self Test Fails If Self Test Passed is not displayed, the following steps will verify whether or not the problem can be fixed locally: 1. Ensure the ISU 2x64 is receiving power. 2. Turn off the ISU 2x64 while holding down 0, then power back on. 3. Continue to press down 0 for 15 seconds. This resets all the internal settings to factory defaults. 4. If the ISU 2x64 still does not pass self test, call ADTRAN Technical Support for assistance; see the back of this manual for phone numbers. If The ISU 2x64 Does Not Read Ready When the ISU 2x64 has been set up and connected to a line, but the front panel does not read Ready after a few minutes, use the following troubleshooting procedure: 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual Chapter 10. Troubleshooting If the Euro ISDN or VN4 switch type is selected, the unit will not enter the Ready state until a setup message is sent or received (part number 1200051L5 and 1200051L6). 1. Cycle power on the ISU 2x64, leaving it off for a minimum of 2 seconds. Turn the power on for one full minute to ensure the unit does not read Ready. 2. Disconnect the ISDN line from ISU 2x64. From a functioning voice phone, call the local directory number(s) provided with the line. Calling a good ISDN line with nothing connected usually results in a ring or fast busy tone. If someone answers or you get a not-in-service intercept, there is probably something wrong with the translation of the line. The phone service provider should be able to help. 3. If the ISU 2x64 continues to display Link Down, there is a physical problem with the phone line (more than likely, a problem with the layer 1 setup). The problem is in one or more of the following places: • The ISU 2x64 software setup • The ISU 2x64 hardware • The wiring on your premises • The telephone service provider’s wiring • The telephone service provider’s hardware • The telephone service provider’s software setup To isolate the problem, perform the following procedure: A. Ensure the ISDN line is plugged into the ISU 2x64 connector marked ISDN IFC on the back of the ISU 2x64. B. Ensure the ISU 2x64 is configured for dial line service. C. Try another piece of functioning ISDN equipment on the line. ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Chapter 10. Troubleshooting D. Talk to the service provider and ensure you have an ISDN Basic Rate U-Interface with 2B1Q line coding (wrong options are an S or T interface or AMI line coding) when using ISU 2x64 part number 1200051L1 or 1200051L3. If your ISDN line is extended from a PBX with an S/T line card, make sure you are using ISU 2x64 part number 1200051L2, 1200051L4, 1200051L5, or 1200051L6. E. Ensure that the phone line is connected to the actual telephone line or PBX provided by your telepho...

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