Mitel SX-200 Documentation page 470

I t
TIP/RING (T/R)
DATA IN (DI)
DATA OUT (DO)
I
S ;PEFtt;S~ R
Figure 8-2 Call Processing Block Diagram
BLOCK DIAGRAM
I
, ,
I I I
t 1
I
CONSOLE
CONTROL
SECTION 9105/911
DATA BUS (D)
ADDRESS BUS (A)
SERVICE
INTERRUPT ZONE (13 (l/PER CARD,
HIGH DATA (HOI
CARD SELECT ICL) (l/PER CARn,
ADDRESS
INTERRUPT ADDRESS (IA)
TIP/RING (T/R)
DATA IN (01)
DATA OUT (DO)
,
MAINTENANCE
1
t
CONSOLE
Page 31