Table 2.3 Option Boards Of The Mp20; Table 2.4 Specifications Of The Mp20 - Samsung OfficeServ 7200 System Description


Common Resource Module (CRM): The CRM is to detect and generate DTMF signals
and CID signals. The CRM is mounted on LOC1 or LOC2 in the MP 20 and the
location is indicated on the MP20.

Integrated Resource Module (IRM): The IRM is to detect and generate DTMF signals
and R2/CID signals. The IRM is mounted on LOC2 in the MP20 and the location is
indicated on the MP20.

MP20 has a 2-Wire Full Duplex modem and can commonly use it with OfficeServ 500
system. Be careful with the direction of the MODEM when mounting/dismounting on
the MP20. The MODEM operates in OfficeServ 7200 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 supports V.90 protocol. OfficeServ 7200
controls the MODEM via serial communication using standard AT commands.
Option board
RCM2
MIS
CRM
IRM
MODEM
Specifications
The specifications of the MP20 are shown in the table below:
Category
CPU
SDRAM (For saving
programs and data)
Flash ROM
(For booting)
Flash ROM (For Data
saving)
Time Switch
Others
© SAMSUNG Electronics Co., Ltd.

Table 2.3 Option boards of the MP20

MP20
LOC1 LOC2

-
- -
 

-

-

Table 2.4 Specifications of the MP20

Item
Processor
System clock
Package
Capacity
Data bus width
Capacity
Data bus width
Capacity
Data bus width
Basic switch
Data bus width
Internal MOH port
External MOH port
OfficeServ 7200 System Description
LOC3
-

-
-
-
Specifications
MPC8247T
66 MHz
516P BGA
128 MB
64 bit
512 KB
8 bit
32 MB
8 bit
256 (Tx) x 256 (Rx)
16 bit
1
2
Max
1
1
2
1
1
2-9