OfficeServ 7100 Service Manual
© SAMSUNG Electronics Co., Ltd.
2-41
2.5.12 MGI64/MGI16 Board
The MGI board is mounted on the universal slot of the OfficeServ 7100 system and enables
voice calls on the IP network. The MGI64 board is connected to Ethernet of 10/100 Mbps
and encodes or decodes voice data into G.711, G.723.1, G.729 of the ITU-T.
2.5.12.1 Block Diagram
The block diagram of the MGI64/MGI16 board is shown in the figure below:
Figure 2.24 Block Diagram of MGI64/MGI16 board
PCM Interface part
2.048 MHz x 2
MBD
MBD
DATA BUS
Flash, 8 MB, 16 bit
TE28F640-J3C120
SDRAM, 64 MB, 32 bit
K4S561632E-TC60 x 2
CPU & DSP
M82530L-14
(MGI16
Æ
M82511)
125 MHz FPBGA,
484PIN
Voice/FAX
Compressing part
G.723/G.729
MAIN Interface part
DPRAM, 512 b x 2
IDT71321LA35PF
Flash, 512 KB, 8 Bit
SST39VF040 x 2
Reset Logic
DS1706
RS232C INTERFACE
38.4K UART
Decoding Logic
LC4256V-75F256B
Ethernet, 10/100BaseT
AM79C875KC
RS 232C
TERMINAL
Ethernet
10/1000 Mbp
CPU BUS
Glue Logic
BUFFER, Card ID,
EPLD, etc…
Summary of Contents for OFFICESERV 7100
Page 1: ...Ed 00 OfficeServ 7100 Service Manual ...
Page 33: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 1 15 ...
Page 189: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 3 Soldering Side ...
Page 195: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 9 5 7 TEPRI2 Board Part Side ...
Page 197: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 11 5 8 8COMBO Part Side ...
Page 199: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 13 5 9 16DLI2 Part Side ...
Page 201: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 15 5 10 MGI16 MGI32 Part Side ...
Page 203: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 17 5 11 16SLI2 16MWSLI Part Side ...
Page 205: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 19 5 12 8TRK Board Part Side ...
Page 207: ...OfficeServ 7100 Service Manual SAMSUNG Electronics Co Ltd 5 21 5 13 PLIM Board Part Side ...