SDM-9XXX Series Hardware Installation Guide
3-6
Memotec Inc.
The optional DSP module is installed in the DSP socket located on the main board of the
SDM-9120/9220/9230 unit. See
for the exact location of the DSP socket.
You can install either the HD DSP module or the DSP-160 module in this DSP socket.
Refer to
for a description of these two types of DSP
modules.
NOTE:
To ensure proper digital voice operations and performance, install the optional
DSP module
before
you power up and configure the unit.
To install a DSP module:
1.
Open the SDM-9120/9220/9230 chassis casing as described on
, heeding the
Caution
note concerning ESD procedure, and the
Warning
to turn the unit off and disconnect the power cord first.
2.
Locate the DSP socket on the main board. It is a standard 72-pin DSP connector
located in the upper left corner of the unit when looking at the main board from the
rear. Refer to
“Location of Optional Hardware on the Main Board” on page 3-5
for
the exact location.
3.
Holding the DSP module by the edge, carefully remove it from its protective
packaging.
CAUTION:
Do not expose the DSP module or the SDM-9120/9220/9230 unit to
a magnetic field or electrostatic charge at any time. Damage to their
components could result. Use ESD procedure at all times.
4.
Hold the DSP module over the DSP socket at an angle of about 15° with its
notched
edge down, closest to the edge of the unit chassis
. Center the module over the socket.
5.
Insert the DSP module into the DSP socket:
a. First push the bottom edge of the module into the socket.
b. Then press the top edge back to the right until the module snaps into place
between two metal clips at each end of the DSP socket.
When properly installed, the DSP module should rest at an angle of about 45°.
CAUTION:
Do not force the DSP module into the DSP socket.
If the DSP module
does not snap into place easily or sit properly in the socket, make sure you have
inserted it with the notched edge down, closest to the edge of the unit chassis.
6.
Close the chassis casing as described on
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Страница 63: ...4 Memotec Inc 4 1 Product Description ...
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Страница 109: ...6 Memotec Inc 6 1 Troubleshooting Tips ...
Страница 113: ...A Memotec Inc A 1 Appendix A Warranty Information This appendix explains the conditions of the product warranty ...
Страница 117: ...B Memotec Inc B 1 Appendix B Compliance Information and Safety Warning ...
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Страница 133: ...Memotec Inc B 17 Compliance to China RoHS ...
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