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Appendices
JetWeb
SELV
Safe Extra Low Voltage:
Voltage, which, under all operating conditions will not
exceed a peak or DC voltage of 42.4 V. This voltage is
either measured between two conductors or between
one conductor and earth.
The circuit, in which this voltage occurs, must be
separated from the mains power supply by a safety
isolating transformer or some equivalent.
SUB-D
Type name of a plug-in connector
tr/tn
time rise/time normal:"rise time of a pulse/total duration
of a pulse" "rise time of a pulse / total duration of a
pulse"
VDE
Verband deutscher Elektrotechniker e.V. = Association
of German Electrical Engineers
W
Width
Units:
118
A
Ampere
dB
Dezibel
g
Gram
Hz
Hertz
m
Meter
mm
Millimeter (1 mm = 10-3 m)
min
Minute
s
Second
V
Volt
W
Watt
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