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