Figure 4.5 Engine (Stc9604) Interface - Samsung OfficeServ 12 Service Manual

MPC855
Highway
The system contains a 256x256 channel T-switch. The channels are classified into eight
groups, which are referred to as highways. Each highway operates independently and
contains 32 voice channels.
Digital Conference
The engine was designed to support 5-way 6-group conference, but OfficeServ 12 currently
supports only 5-way 5-group conference.
© SAMSUNG Electronics Co., Ltd.
CPLD
CS7
MRW
DTACK
Buffer
LA8~LA27
LD00~LD07

Figure 4.5 Engine (STC9604) Interface

STC9604
CS_9604
R/W
DTA_9604
A4~A23
D00~D07
8