Revision C • 10/07
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5-8
5 Service
Frame Component Info
The +48 volts from the main and redundant
power supplies connect on J18 and J19 on the
KSU motherboard. The motherboards and their
connections are detailed on page 5-10. The +48
volts from each connector is coupled through dual
Schottky diode CR1, which is mounted on the right
end of the KSU motherboard. Its output is the
+48 volt source for the console.
The +48 volts is routed to each control panel
on pin 6 of the RJ-45 connectors with red CAT-5
cables (J13 - J16 on the KSU MB and J1 - J4 on
the DSP MBs). Pin 3 has the 48 volt return.
Each red CAT-5 is routed through a round ac-
cess hole up to the control panel section of the
frame (see below). There are four red CAT-5 cables
in the RMXd-4 frame, eight in the RMD-12, twelve
in the RMXd-20 and sixteen in the RMXd-28.
The last red CAT-5 cable (closest to the right
end of the frame) is available for an optional ef-
fects panel. The next red CAT-5 cable plugs into
the Monitor Control panel. The remaining red
CAT-5 cables in the frame plug into Universal Dual
Fader panels.
The red CAT-5 cables for the Dual Fader panels
are oriented from the left end of the console frame,
with the farthest left cable designated for channel
strips 1 and 2 (it plugs into the first Universal
Dual Fader panel). The next cable is for channel
strips 3 and 4 (the next Dual Fader panel), and so
on, up to the two used for the Monitor Control
and optional panel.
Red CAT-5 cables are 18" long which allows
any panel to be moved a few slots left or right of
its standard position to allow installation of a blank
panel or a Divider Kit (used to add Harris turret
control panels into the frame).
Each DSP card routes signals for eight chan-
nels with the control signals from four Universal
Dual Fader panels (two channels strips per panel).
The last four channels (two Universal panels) are
routed by the KSU card’s DSP. The KSU DSP also
handles summing buses and monitoring. In addi-
RMXdigital-12, Frame Components
99-1409 Blank P
anel
99-1406 Monit
or
C
o
ntr
ol panel
19-335 Red
Cat-5 Cables (x8)
for 99-1407 Universal
Dual Fader Input panels
99-2672-1 or 99-2672-2 KSU Card
99-2667 DSP Card
99-2665 8-Input Expansion Card (optional)
80-1846 Blank panel
Input Slot 1
Input Slot 2
Input Slot 3
Input Slot 4
Input Slot 5
Input Slot 6
Input Slot 7
Input Slot 8
Input Slot 9
Input Slot 10
Input Slot 11
Input Slot 12
CAT-5 for
Channels
1 and 2
CAT-5 for
Channels
3 and 4
CAT-5 for
Channels
5 and 6
CAT-5 for
Channels
7 and 8
CAT-5 for
Channels
9 and 10
CAT-5 for
Channels
11 and 12
CAT-5 for
Monitor
Control
panel
CAT-5 for
future
FX panel
Threaded inserts
for adding a Divider
Panel Kit to any slot
Summary of Contents for RMXDIGITAL
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