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C
6
HAPTER
Changing the DSP module
The following describes how to replace a DSP module if it is defective or how to replace it for another
module type.
To change a DSP module, proceed as follows:
: Be sure to observe the
CAUTION
Carry out preparations (see
1.
Remove the housing cover.
2.
Remove the old or defective module by loosening the fastening screw and carefully pulling the
3.
module out vertically of the module slot.
: If there are several modules fitted and the module to be replaced is not topmost, the spacing
NOTE
sleeves have to be loosened and the modules pulled. The order of the modules on the slot is rele-
vant only if different types of modules are equipped.
Press the new module downward evenly on both connectors to the stop.
4.
Secure the module with the fastening screw.
5.
Fit the housing cover.
6.
Reconnect the system to the power supply.
7.
Changing the RAM module
The RAM module is fitted to the CPU module and available as a spare part.
To replace a defective RAM module, proceed as follows:
: Be sure to observe the
CAUTION
Carry out preparations (see
1.
Remove the housing cover.
2.
Remove the defective module by pressing the two lateral metal clamps outward at the same time
3.
and gently lifting the module.
Place the module at a slight angle into the slot (see
4.
Carefully press the module downwards until the two lateral metal clamps engage.
5.
Fit the housing cover.
6.
Reconnect the system to the power supply.
7.
Safety
regulations.
).
Preparations
Safety
regulations.
).
Preparations
Figure 6.2:
Changing the RAM module
Changing the RAM
module).
H
ARDWARE UPDATE
O
M
PERATION AND
AINTENANCE
190
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