Reliability
The main control modules, clock modules, and LAN switch modules on the MPU work in 1:1
hot backup mode, thus improving system reliability.
The two MPUs work in 1:1 backup mode. Each MPU monitors the status of the other. If the
master MPU is faulty, the slave MPU automatically becomes the master MPU.
1.10.2.2 Main Processing Unit D2(Including 2G Memory and 2G USB)
Overview
Table 1-125 Board attributes
Main Processing Unit D2(Including 2G Memory and 2G
USB)
Table 1-126 Mapping products and versions
Earliest Software Version
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