Toa VS-900 User Manual
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12.12. VS-900MF Main Frame and PU-200 Power Transformer Connection
[Connection]
Connect as shown below using 2 parallel pair cables. Use cables with a sufficient current capacity and a
heavier gauge than AWG18. Two PU-200 units are required when using 3 or 4 VS-900RS cards.
Connect the backup power supply, if needed, to the VS-900MF's DC input as illustrated.
VS-900MF and power supply connection
VS-900MF
24 V DC
PU-200
To AC mains
PU-200
To AC mains
OUTPUT
20V AC 2.5A
20V AC 2.5A
OUTPUT
20V AC 2.5A
20V AC 2.5A
from PU-200
AC-IN
AC-IN
1
2
DC24V IN
G1 FG
from PU-200
AC-IN
AC-IN
3
4
Ferrite clamp*
Mount the ferrite clamp (supplied with the VS-900MF) on the cable in a way
that the cable is looped one turn as illustrated. (This countermeasure is for
complying with the CE marking and FCC requirements.)
*
Ferrite clamp
SFC-10