1257 User Manual
EADS North America Defense
Getting Started 2-1
Test and Services, Inc.
©
2001
Chapter 2
Getting Started
Mounting Options
You may use the 1257 Switching System on a table or mount it in
a standard NEMA 19” rack. See
Appendix B, RACK MOUNTING
the 1257
for instructions on placing the 1257 in a rack.
Main AC Power
The 1257 Switching System requires a power input of 90VAC to
250VAC, 43Hz to 63Hz. The 1257 requires no adjustments,
settings, or changes in fuse capacity to accommodate variations of
voltage and frequency within these ranges. Simply connect the
1257 AC power inlet to the power source.
CAUTION:
Before connecting the unit to a power source, make sure that
the installed fuse has the capacity marked on the rear panel of
the 1257. For instructions on changing the fuse, refer to
Figure 2-1, Changing Fuse for Main AC Power.
Figure 2-1, Changing Fuse for Main AC Power
FUSE HOLDER
COVER
FUSE HOLDER
Summary of Contents for 1257
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