
9 DUAL ANALOG VOICE I/O CARD
3006M100-002
9-3
9.1.4
Programmable Logic Device
The Programmable Logic Device (PLD) performs three main functions: 1) An
interface between the DSP and the motherboard, 2) a logic interface between th
DSP and the SLIM LIDs, and 3) a clock distribution circuit for the AICs and the
DSP.
9.1.5
DAV I/O Connector Plate
The DAV I/O connector plate features two RJ connectors for external connections
to the voice/fax equipment; see Figure 9-3. The RJ connector is an integral part of
each SLIM LID.
Figure 9-2 DAV I/O Card, Simplified Block Diagram
C X 9 50
I/O B U S
AD D RE SS
B US
DATA
B US
C O NTR O L
V O IC E
CH AN NE L 2
VO ICE
C HA NN EL 1
I/O
C O N N E C T O R
P LAT E
P L D
D S P
S R A M
A IC
A IC
V O IC E
S L IM
L ID
VO IC E
S LIM
LID
S TAT U S & C O N T R O L
TX, R X
TX, RX
SE RIAL
PO RT 1
SE RIAL
PO RT 2
Summary of Contents for CX900e
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