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:
1. Connect VT100 terminal or PC to craft port.
2. Logon to system.
3. Determine preferred firmware upgrade mode:
• Code Upgrade via TFTP.
• Code Upgrade via YModem.
61186003L1-1D
NTP-007
Software Upgrades
For details, refer to:
DLP-715
DLP-716
either/or:
DLP-700
DLP-701
6-17