Operation and Maintenance
The category system modules comprises the modules expandable as an option (DSP modules) and the
mandatory RAM module.
6.3.4.1 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:
CAUTION:
Be sure to observe the Safety regulations.
1. Carry out preparations (see Preparations).
2. Remove the housing cover.
3. Remove the old or defective module by loosening the fastening screw and carefully pulling the module
out vertically of the module slot.
Note:
If there are several modules fitted and the module to be replaced is not topmost, the spacing
sleeves have to be loosened and the modules pulled. The order of the modules on the slot is
relevant only if different types of modules are equipped.
4. Press the new module downward evenly on both connectors to the stop.
5. Secure the module with the fastening screw.
6. Fit the housing cover.
7. Reconnect the system to the power supply.
6.3.4.2 Changing the RAM module
The RAM module is fitted to the CPU module.
To replace a defective RAM module, proceed as follows:
Release 7.1
205 System Manual for Mitel SMB Controller
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