NetPerformer Hardware Installation Guide
4-22 Memotec Inc.
4.11.2 High-density DSP Module for SDM-9120/9230
The high-density DSP module (HD-DSP) can be installed to support a greater number of
voice calls.
• A maximum of one HD DSP module can be installed on the SDM-9120or SDM-
9230.
A single high-density DSP module supports 60, 80, 100 or 120 timeslots. Maximum 120
voice channels per DSP.
NOTE: High-density DSP modules require NetPerformer software version 10.3.5
R01 or higher. Earlier software versions will report a hardware problem and
log an error.
Figure 4-16: High-Density DSP Module
Caution
The high-density DSP module is intended for the SDM-9120, SDM-
9230, SDM-9606 and SDM-9620 only. DO NOT replace the high-
density DSP module with a DSP intended for the SDM-9360, SDM-
9380 or SDM-9585.
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