Control And Switching Unit (Csu) - Hitachi GX1000-SMC013X Instruction Manual

1.4 Control and switching unit (CSU)

The following figures show the external appearance of the control and switching unit.
Figure 1-7 External appearance
(1) Memory
(2) Installation screw
(3) Handle
Memory cannot be added or replaced. Do not remove, add, or replace memory. If you do so,
NOTE
operation is not guaranteed.
In a control and switching unit, a flash disk is used as a storage device for storing the base
NOTE
software, configuration information, and log information.
The number of times the flash disk can be written to is limited and should be noted during
operation.
For detailed notes about writing data to a flash disk, see 11 Device Management in the
Software Manual Configuration Guide Vol. 1.
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