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C
6
HAPTER
Changing the CPU module
The CPU module is fitted to the mainboard and is available as a spare part. If the com-ponents on the
CPU module are defective or permanently faulty, the entire call manager card must be replaced. As a
spare part the CPU module does not contain any RAM module or Flash card. They can be taken from the
defective CPU module and fitted to the new module.
To replace a defective CPU module, proceed as follows:
: Be sure to observe the
CAUTION
Back up the configuration data and audio data, if still possible.
1.
Carry out preparations (see Preparations).
2.
Remove the housing cover.
3.
Remove the defective module by loosening the 4 fastening screws and carefully pulling the module
4.
out vertically of the module slot.
Place the new module in the slot and press it down evenly into the slot as far as the stop.
5.
Fit the module on to the mainboard using the 4fastening screws.
6.
Fit the housing cover.
7.
Reconnect the system to the power supply.
8.
Carry out a first start of the system (see
9.
from a backup file back on to the communication server.
: When the defective CPU module was replaced by a new one, some system information is lost
NOTE
(IP address, sales channel, DECT identification numbers), has changed (EID) or is no longer valid
(licence file). All DECT terminals must be re-registered and a new licence file is needed.
Mainboard
If the components on the mainboard are defective or permanently faulty, the entire communication server
with the metal chassis must be replaced.
To replace the communication server, proceed as follows:
Safety
regulations.
First start via
WebAdmin) and upload the configuration data
H
ARDWARE UPDATE
O
M
PERATION AND
AINTENANCE
191
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