Installation manual

CHAPTER 2. Hardware of OfficeServ 7400
2-6
© SAMSUNG Electronics Co., Ltd.
Main Functions
The MP40 module offers the following functions:
y Various application operations via LAN interface
y Convenient installation via SmartMedia (MMC)
y Database backup
y Port for Universal Asynchronous Receiver and Transmitter (UART) test
y Internal Music On Hold (MOH) functions
y Time setup and display function
y Digital Phase Locked Loop (DPLL) for the synchronization with digital subscribers
Option Module
The MP40 module can mount a MODEM Module in option.
The MODEM module has the following functions:
y MP40 module has a 2-Wire Full Duplex modem and can commonly use it with
OfficeServ 500 system. Be careful of the direction of the Modem module when
mounting/demounting the module to the MP40 module.
y The Modem module operates in OfficeServ 7400 via V.23 interface and uses a modem
chip for Central Office, which can perform Pulse Code Modulation (PCM) highway
interface. In addition, the Modem module supports V.90 protocol. OfficeServ 7400
controls the Modem module via serial communication using standard AT commands.
Specification
The specification of MP40 control module is as follows:
Table 2.4 Specification of MP40
Categories Names Standards
CPU Processor MPC8271ZQMIBA
System Clock 266 MHz
Package 516 BGA
SDRAM (Memory for programs
and data)
Capacity 128 MByte (32 MByte x 4 EA),
256 MByte extendable
Width of Data Bus 64 bit
SRAM (Memory for Data) Capacity 2 MByte (1 MByte x 2 EA)
Width of Data Bus 32 bit
Flash ROM (For Booting) Capacity 1 MByte (512 KByte x 2 EA)
Width of Data Bus 8 bit