Main Processing Board
4-3
Chapter 4: Board Installation
MBX IP Hardware & Installation Guide
MPB 100/300 (cont’d)
Main Processing Board
The following devices and functions are included on the MPB100/MPB300:
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Main Processor: MINDSPEED ARM9 Dual Core, M82805G, 375MHz
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PCM Voice Processing circuit (ACT2) -PCM voice switching, System Tone/Gain Control
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Tone (DTMF/CPT) Detection/CID Signal (FSK/DTMF/RCID) Detection/CID Generation
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Real Time Clock for System Time/Date
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System Memory [SDRAM / SRAM / Flash ROM / NAND Flash] for Operation
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PLL Circuit for External ISDN Line Clock Synchronization
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1 Internal MOH - 13 Music resources
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4 VoIP channel (default)
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MODU (Option) Interface
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Basic DSIU Included 6 DKTs and 6 SLTs
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4 Status Indication LEDs
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1 RS-232C monitoring port
Release 1.0
November 2010
Summary of Contents for MXB IP
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