Clear-Com 4000 series II, Техническое руководство

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4000 Digital Series
II
Issue 2.1 Technical Manual
STA0381 Page 73
Figure 68 - PDE 4621A - Block Diagram
AUDIO
INPUT
(1
of
16)
PDE
3622
RCU
PING
RAM
PONG
RAM
TIMING
TIME
SLOT
REGISTER
CLOCKS
VME
CONTROL
16-BIT
SOURCE
BUS
16-BIT
A/D
MDAC
(+16dB
to
-8dB)
VOX
THRESHOLD
(-40dB
to
+10dB)
Front
Panel
Pre-sets
+ _
16
to
1
MUX
VME
CONTROL
VOX
(1
of
16)
Control
Outputs,
software
configurable
LA
TCH
PING RAM
PONG RAM
8-BIT
DESTINA
TION
BUS
1t
o1
6
DEMUX
16-BIT
D/A
PDE
3622
RC
U
AUDIO
OUTPUT
(1
of
16)
-1