Cadac R-Type - Manual (Page 28)

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R-Type Revision R2005-2
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CADAC consoles are designed to work continuously with two power supply systems
- ‘main’ and ‘backup’. The ‘main’ power supply unit is designated ‘System 1’. The
‘backup’ power supply unit is designated ‘System 2’
On each power supply, turn all AC input switches to the ON-position.
Start the PSUs (in one PSU system) simultaneously, by pressing and holding the
START-buttons until you hear the relay click. The CCM will cycle through its self-test
routines and any Master Mute switches previously selected will be set ON, thus pro-
tecting external equipment from possible DC pulses when the ±18V PSUs are
started.
Repeat for PSU system 2. If you cannot start the PSUs simultaneously, start the 13V/
48V first. However, do NOT operate the console for long periods without all power
lines on.
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Always use the following procedure:
■ ■ ■ ■ Power-up console
■ ■ ■ ■ Select PC1 on the CCM and power up the first computer. Wait until the PC1
computer has completed its boot-up routine, then...
■ ■ ■ ■ Switch to PC2 on the CCM and power-up the second computer and wait until it
has completed its boot-up routine.
Once both computers have booted correctly, they should allow the keyboard and
monitor to be switched back and forth without problems.
If the overall cable length for the keyboard and monitor are very long (greater than
5m), it may be necessary to use a keyboard and a monitor booster unit to retain key-
board reliability and a clean monitor display.
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1. On the CCM, press all Master Mute switches to the ON (down) position.
2. Close down the SAM software on each PC, shut down Windows® and switch the
computers off.
3. Switch off the AC mains supply to PSU system 1.
4. Switch off the AC mains supply to PSU system 2.