Verilink Access Manager 2000 (896-502037-001) Product Manual - Manual (Page 123)

Downloading firmware to the nodes
Access Manager 2000 User Manual 4-37
self-test and clearing performance registers). During this
activity, the CSUs are out of service for up to 3 seconds.
Similarly, DIU circuit elements self-test and interrupt service to
the data ports.
• After reset, the actual downloading begins. This can take up to
10 minutes, depending on the number of elements receiving the
download. During download, the circuit element operates
normally, running the original code in the EPROM.
• When the downloading is complete, the circuit element is reset
again and out-of-service for up to 3 seconds. When service
returns, the new code is installed and running.
• The downloading process has a self check at the end. Access
Manager displays a message identifying which plugs were
downloaded successfully and which, if any, failed:
Downloaded Successfully to plugs: 1 3 4 5
Downloaded Failed to plug: 2
Press any key to continue
After downloading is complete, the Select Plug Type screen
reappears.
10. Press and then to return to the Utilities Menu.
a. If you want to verify the new firmware revision level , go from
the Main Menu into the Online Menu and use the Status
element option.
b. If downline loading fails on any plug , repeat the procedure on
that plug.
If the trouble continues , replace the circuit element in that slot
and repeat the procedure on the new circuit element.
ESC F2