Appendix A. Upgrading Niu3 Software - ADTRAN NIU3 Installation And Maintenance Practice

Materials Required
• ADTRAN NIU3.
• Computer with terminal emulation program with VT100 and YModem capability.
Upgrading the NIU3 Using the YModem Protocol
1. Save the new flash file onto the computer that is being used to control the upgrade. File should have ".flh"
extension.
2. Logon to the NIU3 using HyperTerminal.
3. HyperTerminal setup on the Configure Screen:
Speed: 19200
Parity: None
Data: 8
Stop: 1
Flow Control: None.
4. From the
ADTRAN NIU3
5. From the
Software Download
6. Cut-through relays disengage, causing the NIU3 to disconnect from the circuit during download. An audible
click will be heard when
7. A screen appears, stating that the NIU3 is waiting for download and the character C appears across the screen
to show the unit is still active. With the mouse, click on
8. A screen appears requesting a filename. Ensure that YModem protocol is selected.
Enter the filename where the new firmware is being stored, then click on
9. When finished, a message will appear stating the following:
Flash Upload complete, Rebooting.......Please wait.
10. The NIU3 will reboot, and the upgrade is complete.
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Appendix A
Upgrading NIU3 Software
menu, select option 11,
Software Download
menu, to begin YModem download, select option 1, press
is pressed.
Enter
, and press
Enter.
, then click
Transfer Send File
.
Send
.
Enter
.
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