Operation and Maintenance
8-11
9161-A2-GH30-30 April 1998
Procedure
To perform a download:
1. Initiate an FTP session to the device that you are upgrading.
2. Type bin to enter binary mode.
3. Type cd system to change to the system directory.
4. Type put nam1_ctl.ocd to perform a put to the nam1_ctl.ocd to start the
download. If the control file is valid, the message nam1_ctl.ocd: File
Transfer Complete displays, the write permission will be set on the
nam1_low.ocd, and the device will reset and enter Minimum mode. The
Alarm LED will light and the OK LED will blink to indicate that the device has
entered Minimum mode.
5. Reestablish an FTP session to the device. Type open <

IP address

>.
6. Type bin to enter binary mode.
7. Type cd system to change to the system directory.
8. Type put nam2_low.ocd to perform a put to the nam2_low.ocd to start the
download. If a valid nam2_low.ocd (that is, it has the revision level as
nam1_ctl.ocd) is successfully put and has the proper checksum, then the
message nam2_low.ocd: File Transfer Complete displays, the file
is loaded into system memory, the write permission will be set on the
nam3_hi.ocd, the system performs a memory bank switch, a
reset/reinitialization occurs, and the system will stay in Minimum mode.
9. Reestablish an FTP session to the device. Type open <

IP address

>.
10. Type bin to enter binary mode.
11. Type cd system to change to the system directory.
12. Type put nam3_hi.ocd to perform a put to the nam3_hi.ocd to start the
download. If a valid nam3_hi.ocd (that is, it has the revision level as the
nam1_ctl.ocd and nam2_low.ocd files) is successfully put and has the proper
checksum, then the message nam3_hi.ocd: File Transfer
Complete displays, the file is loaded into system memory, the write
permission will be removed for both the nam2_low.ocd and the nam3_hi.ocd
files, the system performs a reset/reinitialization, and the system will be in
Normal mode and operating from the new program load. The download has
successfully completed.