Black Box LRU4240 - Manual (Page 116)

104 SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide
Dual Trunk E1 Router
2. Press
A
in the Download Utility menu.
3. Start TFTP for the Network Management System, and indicate binary mode.
Abnormal Termination
The following list summarizes scenarios during which the downloading process may fail:
• Software load is corrupted.
• Transmission errors.
• Failure of the downloading computer, the modem (if one is used), the connection between the
downloading computer and the unit or a failure of the unit, which also includes a power failure.
• User aborted the download process.
• Time-out built into the Xmodem or TFTP protocols.
Typically, abnormal termination of the download process leaves the Code File in a non-usable state.
In this case, the Download Utility will indicate that the Code File is unavailable.
Error Indicators
If the download utility fails, an error indicator appears in the Download Utility menu. Depending on
the error indicator listed below in
Table C-1 , you can take the following action or at least be
apprised of the condition:
Table C-1 Download Utility Error Indicators (1 of 2)
Error Type
Error
Indicator
Description (Message)
General 1 Software error. Note the specific error information, and call Black Box
Technical Support.
2 Load Received is corrupted.
3 Load Received has invalid embedded length.
4 Load Received is invalid for this unit.
Hardware 5 Flash-ROM Not Supported.
6 Flash-ROM With Protected Sector.
7 Flash-ROM Failed To Erase.
8 Flash-ROM Failed To Program.
Xmodem 9 Xmodem Abort Received.
10 Xmodem Data Timeout.
11 Xmodem Invalid Sequence.
12 Xmodem Unexpected Data.
13 Xmodem Packet Timeout.
14 Xmodem Packet Corrupted.
15 Xmodem Failed to Acknowledge.