Clear-Com 4000 II Series - Figure 68 - PDE 4621 A - Block Diagram

4000 Digital Series II Issue 2.1 Technical Manual
STA0381 Page 73
Figure 68 - PDE 4621A - Block Diagram
AUDIOINPUT
(1of16)
PDE3622RCU
PING
RAM
PONG
RAM
TIMING
TIMESLOT
REGISTER
CLOCKS
VMECONTROL
16-BITSOURCEBUS
16-BITA/D
MDAC
(+16dBto-8dB)
VOXTHRESHOLD
(-40dBto+10dB)
FrontPanelPre-sets
+
_
16to1
MUX
VMECONTROL
VOX(1of16)
ControlOutputs,
softwareconfigurable
LATCH
PING
RAM
PONG
RAM
8-BITDESTINATIONBUS
1to16
DEMUX
16-BITD/A
PDE3622RC
U
AUDIOOUTPUT
(1of16)
-1