Troubleshooting guide

61186003L1-1D 6-17
NTP-007
Software Upgrades
INTRODUCTION
This NTP provides the tasks for performing software upgrades to the System Controller Unit
(SCU) and the Multiplexer (MUX) modules for the MX2820 system. Software upgrade proce-
dures include:
• Code upgrade via TFTP
• Code upgrade via YModem
PREREQUISITE PROCEDURES
This NTP provides Flash upgrade procedures for the SCU, M13, and STS-1 modules. The SCU
upgrade should be performed prior to any MUX upgrade.
TOOLS REQUIRED
• VT100 terminal or PC with VT100 Terminal Emulation software
• YModem for software upgrades performed via YModem
MATERIALS REQUIRED
• Storage Medium, such as the CD-ROM, tape, or diskette, that contains the updated
software.
PROCEDURE
Perform the Steps Below in the Order Listed: For details, refer to:
1. Connect VT100 terminal or PC to craft port. DLP-715
2. Logon to system. DLP-716
3. Determine preferred firmware upgrade mode:
• Code Upgrade via TFTP.
• Code Upgrade via YModem.
either/or:
DLP-700
DLP-701