Maintenance-Object Repair Procedures
555-233-143
8-870 Issue 1 May 2002
Figure 8-48. Firmware download schematic
NOTE:
Note the schematic in Figure 8-48 applies to the TN799DP (C-LAN) circuit
pack. For VAL, disregard everything in the “Target board” box.
The following is a list of commands for testing the firmware download feature:
■ enable filesystem
■ disable filesystem
■ list directory
■ remove file
■ change firmware download
■ disable firmware download
■ display firmware download
■ status firmware download
■ test firmware download
■ display initcauses
SPE
Download
control
TDM
bus
CCMS
control/data
CCMS
control/data
Source board
Download
control
TFTP
TFTP
Flash
write
OSHDLC
OSHDLC
DRAM
file system
FTP
TCP
IP
Boot
program
Flash memory
Application
program
Target board
From
network
cydffda LJK 050701
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