Before You Begin - ZyXEL Communications X6004 User Manual

Chapter 11 DSP Management

11.1.3 Before You Begin

Consider the following when making decisions on purchasing additional DSP modules or
assigning the DSP channels on the X6004:
• A typical conversation uses two channels.
• A conference call uses one channel per participant.
• Unassigned DSP channels are shared among all services which require DSP resources.
11.2 Installing and Removing DSP Modules
This section describes how to install and remove the X6004's DSP modules.
11.2.1 How to Install a DSP Module
Take the following steps to install a second Digital Signal Processor in your X6004.
1 Ensure the power is off and all cables are disconnected. Lay the X6004 upside down on a
flat, dry surface. The DSP hatch is located on the base of the X6004.
2 Unscrew and remove the DSP hatch screw.
3 Remove the DSP hatch cover.
4 Insert the DSP module's contacts into the connector socket at an angle, as shown in the
figure.
5 Gently press the DSP module downwards, until the two retaining arms click into place.
Replace the hatch cover and the screw.
Figure 136 Installing a DSP module
11.2.2 How to Remove a DSP Module
Take the following steps to remove a DSP module from the X6004.
1 Ensure the power is off and all cables are disconnected. Lay the X6004 upside down on a
flat, dry surface. The DSP hatch is located on the base of the X6004.
2 Unscrew and remove the DSP hatch retaining screw.
3 Remove the DSP hatch cover.
4 Gently press the retaining arms away from the module, as shown in the figure. When
both retaining arms are disengaged from the module, the module springs up to its angled
position.
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X6004 User's Guide