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Knowledge Base

FAQ-The situation of AR1200&AR2200&AR3300 router support DSP module

Publication Date:  2012-09-26  |   Views:  4  |   Downloads:  0  |   Author:  c00222574  |   Document ID:  EKB1000016186

Contents

Issue Description

Q:
What is the DSP module? What is the situation of AR1200&AR2200&AR3300 router support DSP module?

Alarm Information

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Handling Process


(1) DSP is short for Digital Signal Process whose main function is modulus transforming voice data information and decoding. The application realizes mainly by hardware support. DSP module looks like ejector clips of memory bank inserted in anchor slot interface, practicality picture is as follows:


(2) The situation of AR1200&AR2200&AR3300 router support DSP module

AR1200 does not support DSP function, AR1220V and AR1220VW have no slot, Module is integrated on board, support 32 roads DSP voice processing by default.
AR2220 has one DSP slot, DSP bank installed in DSP slot of host computer, can be swapped, cooperate using with FXO/FXS/ISDN/VE1 voice card.
AR2240 has 3 DSP slots, DSP bank installed in DSP slot of host computer, can be swapped, cooperate using with FXO/FXS/ISDN/VE1 voice card.
AR2260 has 3 DSP slots, DSP bank installed in DSP slot of host computer, can be swapped, cooperate using with FXO/FXS/ISDN/VE1 voice card.

Root Cause

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Suggestions


(1) AR1200&AR2200&AR3200 supports 16/32/64/128 road DSP voice processing function, R2220、AR2240、AR3260 routers support DSP hardware update.
(2) DSP module can be swapped on AR2200, main control board of this route does not support swapping, install and uninstall it by tools, it needs to evaluate and process according to real practicality when hardware update.