ISU ISDN Service Unit. USER MANUAL. Part Number. ISU (U If experiencing difficulty with this equipment, please contact ADTRAN for repair. to connect to the unit. Configuring the DataBand ISU (S unit type) for VTC applications: NOTE: This device is a replacement to the Adtran ISU device. ISU – ADTRAN Support Read more about isdn, manual, bonding, interface, terminal and configuration.

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Select from values of 1, 2, 5, 10 default20, 50,and seconds.

ISU Data Sheet – Call – Your Best Data Communications Source

The portion of a data terminal that provides the interface to the network. This allows per- formance of a bit error rate test BERT between the ISU and end user equipment to verify proper cable connection, etc. This provides a dedicated point-to-point service as in a limited distance modern or leased line application with no dialing necessary.


Use the following menupath to set dialing options: The Supervision SPV password can beaccessed in the menu tree at: Page 20 Chapter 1: Page 30 Chapter 3: Posted on Jan 02, Page 61 Chapter 5: Page 87 Appendix A. Page 58 Chapter 5: Page 22 Chapter 1: Dial MenuDial provides manual dialing functions.

Page 11 Redial Last Number Page 33 Chapter 3: Page 19 as in a limited distance modem or leased line application with no dialing necessary. The ISU supports V. ISU U Interface.

This mode is only supported by the ISU U interface. Operates at synchronous data rates of up to kbps. If this equipment causes harm to the telephone network, the telephone companymay temporarily discontinue service. I have verified modem setup, Tandenberg setup, and PBX setup. See the section The Maintenance Interface in Chapter 3 for more informa- tion.

Page 98 Appenidix B.

Theoriginating ISU generates the patterns and checks the incoming pattern for errors. The ISU can be protected from illegal access by using the password protection built into the remote protocol.


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See the appendix Pinouts for the Chain In portpinout. The Canadian Industry and Science Canada label identifies certified equipment.

The ISU supports V. Page Appenidix B. Configuration config Menu Page 99 Appenidix B. Page 22 Atdran 1: CancelStops the current activity and returns to the previous menu. The max point reward for answering a question is Page 44 Chapter 5: Press Enter to dial the number.