Installation
90
Aastra 470 as of R1.2
syd-0337/1.2 – R1.2 – 11.2011
This chapter only describes the procedure for fitting system modules that are ex-
pandable as an option (DSP module, IP Media module, call charges module). The
RAM module only need to be replaced in the event of repairs or maintenance work
(see
"Operation and Maintenance", from page 172
4. 5. 5
Fitting DSP modules
DSP modules are fitted to the Call Manager card. A maximum of 2 DSP modules can
be stacked.
Fig. 27
System modules on the Call Manager card
To fit a DSP module, proceed as follows:
Warning
Be sure to observe the
.
1. Shut down the call manager via the control panel (see
).
2. Unscrew the screw on the Call Manager card and remove the card by pulling the
fastening screw.
3. Remove the fastening screw on the module slot for DSP modules.
4. The spacer sleeve for the lower module is already premounted on the processor
card. For the upper DSP module screw the spacer sleeve supplied with the mod-
ule into place.
Fitting the call manager card
Fastening screw of the call
manager card
Spacer sleeve
Fastening screw
IP media module
Spacer
sleeve
Fastening screw
DSP modules