System Modules; Change Dsp Module; Changing The Ip Media Module - Mitel 470 System Manual

Operation and Maintenance
6. 3. 4

System modules

The category system modules comprises the modules expandable as an option (DSP
modules, IP media modules, call charge modules) and the mandatory modules (RAM
module).
6. 3. 4. 1

Change DSP module

DSP modules are available in various versions (SM-DSPX1, SM-DSPX2, SM-DSP1,
SM-DSP2). Compared with DSP modules, modules with the designation DSPX are fit-
ted with more powerful DSP chips. The following describes how to replace a DSP mod-
ule if it is defective or how to replace it for a more powerful module. DSP modules are
fitted to the call manager card.
To change a DSP module, proceed as follows:
Warning
Be sure to observe the "Safety regulations", page 94.
1. Carry out preparations (see "Preparations", page 202).
2. Unscrew the screw on the Call Manager card and remove the card by pulling the
fastening screw.
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 multiple modules are equipped and the defective card is not topmost, the spacing 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.
4. Press the new module downward evenly on both connectors to the stop.
5. Secure the module with the fastening screw.
6. Carefully push back the call manager card into the shaft and gently press the card
as far as it goes into the connection on the backplane.
7. Secure the Call Manager card back into its slot with the screw.
8. Restart the call manager by pressing the On/Off button on the call manager card.
6. 3. 4. 2

Changing the IP media module

IP Media modules are fitted either to the call manager card or to PRI trunk cards.
To replace a defective IP media module to a call manager card, proceed as follows:
206
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016