CHAPTER 2. OfficeServ 7400 Hardware
2-6
© Samsung Business Communications
Main Functions
The MP40 module offers the following functions:
y
Various application operations via the LAN interface
y
Convenient installation via Smart Media
y
Database backup
y
Port for Universal Asynchronous Receiver and Transmitter (UART) test
y
External/Internal Music On Hold (MOH) and Loud/Common Bell functions
y
Time setup and display function
y
Digital Phase Locked Loop (DPLL) for synchronization with digital subscribers
Option Module (Modem)
The MP40 module can optionally support a Modem module.
y
The MP40 module can support the Modem daughterboard module that is commonly
used with the OfficeServ 500 and 100 systems. Ensure that the Modem module is cor-
rectly mounted on the MP40 module.
y
The Modem module operates via a V.23 interface and supports the V.90 protocol. Of-
ficeServ 7400 controls the Modem module via serial communication using standard AT
commands.
Specification
The specifications of the MP40 control module are as follows:
Table 2.4 Specifications of MP40 Module
Categories
Names
Standards
Processor MPC8271ZQMIBA
System Clock
66
MHz
CPU
Package 516
BGA
Capacity
128 MB (32
MB * 4
EA), 256
MB extendable
SDRAM
(Memory for programs and data)
Width of Data
Bus
64
bit
Capacity 2
MB (1
MB * 2
EA)
SRAM
(Memory for Data, Backup)
Width of Data
Bus
32
bit
Capacity
1
MB (512
KB*2
EA)
Flash ROM
(For Booting)
Width of Data
Bus
8
bit