User Manual

9. Appendix System A - 100
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9.3.2. A-100 MNT - Overview
Controls:
1 LED : LED indicator for +12 V supply.
2 LED : LED indicator for -12 V supply.
In- / Outputs:
! BU 1 : Input for external power supply (7 ...
9 V AC)
" ST 1 ... ST 4 : Bus output sockets for four
modules.