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4407
4
RS485 serial control
The RS485 comms control enables up to sixteen 4407 sample rate
converter/synchroniser cards to be remotely controlled and monitored.
The RS485 controlling unit may set gain, automatic fades of various rates, reset and
monitor the status of each card individually. Gain is automatically restored to 0dB
after a power-on reset.
Assign a 4407 module to RS485control by placing PL1 on the 5288 sub-module to
the '1' position:
SW1 RS485 multi-
drop address
switch
Technical Manual
Digital Audio Sample Rate Converter
SW1
FADER
OFF ON
1
2
3
4
0
1
PL12
0
1
0
1
PL11
PL11
0
1
0
1
PL10
PL10
SW2
SYSTEM
RESET
RS485 remote
control jumper
SW2 RS485
comms reset
13
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